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Build a live crypto trading terminal with a candlestick chart (1m/5m/1h/1d switchable), a depth-style order book that animates on each simulated trade, a trade ticket with market and limit orders, open positions with floating P&L, a trade history log, and an account equity curve. Add 6 coins with realistic price simulation, RSI and moving-average overlays, buy/sell hotkeys, and a dark terminal theme with green/red candles.
Create a full stock dashboard with a searchable watchlist (ticker, price, day change, volume), an interactive candlestick chart with zoom and range selection, a company overview panel with market cap, P/E, EPS and dividend yield, a news feed with sentiment tags, and a portfolio section showing allocation pie chart, total value and unrealized P&L. Use realistic sample data for 30+ well-known companies, label it as simulated, and add a light/dark theme switch.
Make a portfolio tracker with holdings across stocks, ETFs, crypto and cash. Show a donut allocation chart, per-asset performance (1d, 1w, 1m, 1y, all-time), a total-value line chart with deposits and withdrawals marked, dividend income tracking, and a rebalancing view that shows how far each position is from its target weight. Include buy/sell actions that update the portfolio, CSV export, and clearly simulated prices.
Build a savings goal calculator with goal name, target amount, current savings, monthly contribution and interest rate inputs. Show a live projection chart with compound-interest curve, the exact date the goal is reached, monthly growth breakdown, an inflation-adjusted comparison toggle, and milestone celebrations on the chart. Add 3 preset goals, a printable plan summary, and sliders that update everything in real time.
Create a loan calculator for mortgage, car and personal loans with amount, term and interest rate sliders. Show monthly payment, total interest paid, total cost, a full amortization schedule table with principal/interest split per payment, a balance-over-time chart, and an extra-payment simulator that shows years and interest saved. Include early-payoff comparison, payment frequency options, and a print-friendly summary.
Build a forex pip and position-size calculator with a currency pair selector covering 20+ majors and crosses, live-style exchange rates, account currency conversion, and a risk calculator: enter account size, risk percentage and stop-loss pips to get the exact lot size. Show pip value per lot, margin required with leverage slider, and a risk/reward ratio checker with a visual trade setup panel.
Make a crypto watchlist with 20 coins, live-updating simulated prices with green/red flash on change, mini sparklines, 24h volume, market cap and dominance stats. Add price alerts with custom thresholds, a favorites pinning system, a top-gainers and top-losers tab, a market overview strip with total cap and BTC dominance gauge, and per-coin detail drawers with 7-day and 30-day charts.
Create an invoice generator with your business name, logo placeholder, client details, line items with quantity and tax, discount and shipping fields, currency selector, and automatic totals. Show a live A4 preview that updates as you type, due-date and payment-terms options, an invoice number sequence, and one-click PDF-style print or download. Add 3 professional templates and a clients address book with saved entries.
Build a stock screener with filters for market cap, P/E ratio, dividend yield, price, 52-week range, sector and country. Show results in a sortable, searchable table with mini sparklines and heat-colored valuations, a fundamentals detail drawer per stock (revenue growth, margins, debt, ROE), saved screen presets, and CSV export. Use realistic sample data for 40+ well-known companies, label everything as simulated, and add a comparison mode for up to 4 stocks.
Build a self-employed tax calculator with income, expenses and deduction inputs, progressive tax brackets, quarterly estimated tax payments, self-employment tax breakdown, and a visual chart of where every dollar goes. Add a filing-status comparison, a home-office deduction helper, a printable year summary, and a what-if slider that shows the marginal rate on your next dollar. Include realistic 2025/2026 tax bands and clearly label results as an estimate, not advice.
Build an options profit and loss visualizer: choose call or put, long or short, set strike, premium and expiry, and draw the payoff curve at expiry with break-even, max profit and max loss labeled. Add a P&L table across price and volatility ranges, a strategy gallery (covered call, protective put, straddle, strangle, iron condor, butterfly) with one-tap presets, and a risk-reward summary panel.
Build a macro-economic dashboard with indicators for inflation, interest rates, GDP growth, unemployment, oil, gold and currency indexes across major economies. Show line charts with recession shading, a central-bank policy timeline, a country comparison heatmap, a bond-yield curve that can flatten or invert, and a 'what to watch this week' panel with a simulated economic calendar. Label all data as illustrative and educational.
Build a full CRM dashboard: a drag-and-drop sales pipeline (Leads, Contacted, Qualified, Proposal, Won) with deal cards showing value and owner, a searchable contacts table with tags, company and last activity, a deal value and win-rate chart, a monthly revenue KPI row with targets, and a follow-up task list with due dates. Add a pipeline filter by owner, a lost-deals reason breakdown, and export to CSV for every view.
Build a customer analytics app with a cohort retention heatmap, monthly churn rate, customer lifetime value, average revenue per user, and a segment breakdown (new, active, at-risk, churned) with segment sizes and transitions. Add a weekly active users trend, a payback-period view for acquisition cost, NPS distribution, and realistic sample data with every metric labeled and explained in a tooltip.
Build a support helpdesk with a ticket inbox (status, priority, assignee, category), a kanban board by stage with drag-and-drop, full reply threads with timestamps, SLA countdown timers that turn red when breached, canned responses, and a resolution-time chart. Add CSAT score collection, a team workload view, search and filters, and a ticket detail page with internal notes.
Build an inventory manager with a live stock table (SKU, name, on-hand, reorder level, location), low-stock and out-of-stock alerts, a stock-movement ledger with in/out and reason, category breakdown charts, an ABC analysis view that ranks items by value, and a restock queue with supplier and lead time. Make add, restock and adjust actions actually work and persist locally.
Build an HR analytics dashboard with headcount by department, attrition rate trend, a hiring funnel with time-to-hire, salary distribution with percentile bands, tenure and age charts, and a diversity summary. Add a searchable employee directory with profile cards, a promotions timeline, and a flight-risk indicator computed from tenure, last raise and performance score, all with realistic sample data.
Build a mini ERP with modules for orders, inventory, customers, invoices and finance on one dashboard: KPI cards, recent orders with status, low-stock warnings, an open-invoices aging report, and a monthly revenue and cost chart. Make records cross-linked (click an order to see its customer and invoice) with a global search bar, and add create and edit forms for each module.
Build a SaaS metrics dashboard: MRR and ARR over time with expansion and contraction, churn and retention cohorts, ARPU, LTV-to-CAC ratio with a healthy-range gauge, active users by plan, and a feature-usage chart. Add a monthly cohort table, a quickbooks-style invoice summary, and a scenario slider that shows what 10% lower churn would do to revenue in 12 months.
Build a lead scoring app that rates every lead from engagement signals (site visits, email opens, demo requests, pricing page views), shows a conversion funnel with drop-off at each stage, a priority follow-up queue sorted by score, and adjustable scoring rules with weights. Add a lead detail panel with activity timeline, a score history sparkline, and a segment filter for hot, warm and cold leads.
Build a market research desk: a competitor comparison matrix with feature checklists and pricing tiers, a pricing-positioning scatter chart, a SWOT board with draggable cards, survey result charts (NPS, satisfaction, importance vs performance), a market-size calculator with TAM/SAM/SOM sliders, and a one-page report generator that bakes the charts into a shareable, printable document.
Build a sales dashboard with revenue, orders and average order value KPI cards with targets and trend arrows, revenue by region on an interactive map, top products and top customers lists, a daily revenue line with a 7-day moving average, and a month-over-month comparison. Add date-range and region filters that update every chart, an anomaly highlighter, and CSV export per chart.
Create an analytics chart studio with line, bar, area, scatter, donut and stacked charts, all with hover tooltips, legends, zoom and export to PNG. Include 6 realistic datasets (traffic, revenue, retention, sessions by device, funnel, engagement), a chart-builder mode where you paste your own CSV and pick the chart type, and a color-theme selector.
Make a KPI card dashboard with 12 configurable cards, each showing a metric, target, trend sparkline and status color (green/amber/red). Add a goal-setting panel where you edit targets, a scorecard view that grades every metric, a delta view comparing this week to last, and a compact grid mode for wall-screen display with auto-refreshing simulated data.
Build a survey results viewer with response counts, satisfaction score, NPS with detractor/passive/promoter bands, answer distribution bars, cross-tab filtering (e.g. satisfaction by plan), verbatim responses with sentiment tags, and a weighted-averages view. Add a filter by question and demographic, an export-to-CSV button, and a headline-insights panel that summarizes the top 5 findings.
Create a conversion funnel visualizer with editable stages (Visited, Signed up, Activated, Purchased), drop-off percentages and rates between stages, a bar and sankey-style view, and a time-to-convert histogram. Add an A/B comparison mode for two cohorts, a revenue-per-stage view, and sliders to simulate improvements and see how they lift the final conversion.
Make a heatmap builder from a data grid: paste a CSV or use the sample week×hour traffic data, pick a color scale, and render an interactive heatmap with hover values and row/column totals. Add a calendar-heatmap mode (like GitHub contributions), a correlation matrix mode that colors relationships between numeric columns, and export to image.
Build a trend forecast tool: paste a time series or use sample data, and see a chart with historical values plus a projection line with confidence band using moving-average and linear-regression models. Add seasonality detection, a forecast accuracy table, adjustable forecast horizon, and a scenario editor where you modify future assumptions and watch the projection change.
Create a mini spreadsheet with 50×20 editable cells, formulas (=SUM, =AVG, =MIN, =MAX, =IF), cell references, drag-fill, formatting (bold, color, currency), multiple sheets with tabs, and instant charts from selected ranges (bar, line, pie). Add CSV import and export, undo/redo, and a status bar with sum and average of the selection.
Build a live earthquake map that loads real quakes from the USGS GeoJSON feed. Plot each on a world map, size by magnitude and color by depth, with a clickable detail panel (place, time, magnitude, depth, felt reports), a magnitude histogram, a largest-quake list, and filters for the last hour, day or week plus magnitude range. Add a time-lapse playback that animates quakes in order, and a safety tips panel.
Build a climate dashboard with real, cited data: global temperature anomaly since 1880, atmospheric CO2 from Mauna Loa, sea-level rise, Arctic sea-ice extent and glacier mass balance. Show interactive line charts with trend annotations, a current-facts panel with sources, a per-country emissions ranking, a what-if emissions scenario slider, and a 'my city in 2050' temperature projection tool.
Build an interactive ocean explorer that scrolls from the surface down to the Challenger Deep. Show the real depth zones (sunlight, twilight, midnight, abyssal, hadal), the creatures that live at each depth with real facts and illustrations, a live depth vs pressure and temperature readout, a scale comparison of how deep humans have dived vs submersibles, and a quiz mode about the deep sea.
Build a 3D solar-system explorer with the planets in correct order, relative size and orbital speed, and real facts (distance, mass, moons, day length, temperature) on click. Include a to-scale view showing how far the Moon really is from Earth, a speed-up time control, moon and ring rendering, a planet-comparison mode, and a mission timeline of famous probes.
Build a wildfire tracker that loads real active-fire data from NASA FIRMS, plots hotspots on a map with brightness and confidence, shows recent fires with area burned and cause, and lets me filter by country and date. Add a smoke-plume overlay, a fire-danger index panel, an air-quality impact view for nearby cities, and a prevention tips section.
Build a biodiversity explorer with real IUCN Red List data: endangered species by region, a threat-category chart, and detail cards with population trend, habitat and threats. Make it filterable by animal group and conservation status, add a species-of-the-day feature, a conservation success stories timeline, and a donation-link panel for real conservation organizations.
Build an animated animal-migration map showing real routes (Arctic tern, monarch butterfly, wildebeest, humpback whale, caribou) on a world map, with a season timeline scrubber, distance travelled per species, speed and altitude facts, a comparison of the longest migrations, and a per-species detail panel with threats and protection status.
Build a volcano and seismic monitor with real data: current eruptions, notable volcanoes and recent seismic activity. Show an interactive world map with volcano icons sized by VEI, an eruption list with last activity and alert level, a live quake feed with magnitude filters, a cross-section diagram of a volcano, and a preparedness guide for each alert level.
Build a live air-quality map with real AQI data for cities worldwide. Color-code by AQI level, show the pollutant breakdown (PM2.5, PM10, ozone, NO2), health advice per level, a searchable city detail panel with 7-day history, a ranking of cleanest and most polluted cities, and a personal exposure calculator based on your commute and activities.
Build a space launch tracker with real-style data: upcoming launches with mission, rocket, launch site and launch window, a world map of launch pads, a 90-day timeline, success-rate charts per rocket family, a payload mass comparison, and a live countdown timer for the next launch. Add mission detail cards with destination (LEO, ISS, Moon, Mars) and clearly label the data as illustrative with links to real sources.
Build an interactive DNA explorer: a 3D-rotating double helix with color-coded base pairs (A-T, C-G), a transcription-to-mRNA animation, a codon table that translates a sample sequence into amino acids, and a mutation simulator that shows what a single base change does to the protein. Add a GC-content calculator, a gene-length comparison across species, and a simplified CRISPR editing demo.
Build an industrial SCADA HMI dashboard: an animated plant mimic diagram with pumps, valves and tank levels, live telemetry gauges (flow, pressure, temperature, level), alarm banners with acknowledge and mute buttons, a trend chart with historical tags, and a control mode where you start and stop equipment and watch the plant respond. Make it look like a real control-room screen with dark theme, blinking alarm states and a shift log.
Build a power-grid monitor with live frequency (Hz), total load, renewable mix (solar, wind, hydro, nuclear, fossil), a load curve with peak shading, and regional grid status with alerts. Include a blackout simulation toggle that shows cascading effects, a frequency deviation meter with grid-code limits, and a demand-response view showing how much load can be shed in an emergency.
Build a factory OEE (Overall Equipment Effectiveness) dashboard: live machine status per line (running, idle, fault), availability, performance and quality scores with the OEE formula visible, downtime reasons with Pareto chart, a shift production chart, and a loss waterfall that shows exactly where productivity is lost. Add a shift selector and a target-vs-actual comparison.
Build a water-treatment plant SCADA screen: flow, turbidity, pH and chlorine gauges with setpoint bands, tank levels with fill animation, pump status and runtime hours, an alarm log with priority levels, and a 24-hour trend chart for each parameter. Add a chemical-dosing calculator, a backwash cycle animation, and compliance report cards that turn red when a parameter drifts out of range.
Build an oil and gas pipeline monitor: a schematic map of the line with segment pressure, flow rate and temperature, leak-detection alerts with location, a throughput trend with daily totals, and a valve-control simulation where closing a valve changes downstream pressure. Add a pigging-run tracker, maintenance schedule, and an incident log with severity levels.
Build a building HVAC control panel: floor-plan zones with set temperatures, an occupancy map from motion sensors, fan and chiller status, an energy-usage chart with baseline comparison, and per-zone temperature sliders that update the model. Add a schedule editor with occupied and unoccupied modes, an outdoor-air temperature feed, and an energy-savings report.
Build a solar-farm monitor with real-time generation vs irradiance, panel-string status with fault flags, inverter health and temperature, a daily production curve with forecast overlay, and cumulative energy with CO2 saved. Add a weather panel (cloud cover, temperature, wind), a per-string detail view, and a performance ratio gauge comparing actual to theoretical output.
Build a fleet telematics dashboard with vehicles moving on a live map, speed, fuel level and engine status per vehicle, trip history with route lines, driver behavior score (speeding, harsh braking, idling), maintenance alerts by mileage, and a utilization chart. Add geofence alerts, a fuel-cost report, and a dispatch panel where you assign the nearest vehicle to a job.
Build a browser code IDE with a file explorer, tabbed editor with line numbers and syntax highlighting for HTML, CSS and JavaScript, and a live preview pane that updates on save. Support multiple files, a console pane with log output, run and refresh buttons, a dark theme, and a starter template gallery. Make it feel like a mini VS Code with a status bar and keyboard shortcuts.
Build an API testing workbench: enter a URL, method, headers and JSON body, send the request, and see status, timing, size and a formatted JSON response with collapsible nodes. Keep a request history with re-run and duplicate, save named collections, add environment variables like {{baseUrl}}, and show a response-size and time sparkline across runs.
Build a regex playground with live match highlighting on sample text, a match list with capture groups and positions, an explanation panel that describes each part of the pattern in plain English, a cheatsheet drawer, and presets for email, URL, phone, date and password patterns. Add a replace mode with group references and a save-your-patterns library.
Build a JSON explorer with a collapsible tree view, formatting and minifying, path copying (e.g. $.users[0].name), search with highlighting, a side-by-side diff mode that shows added, removed and changed keys, and a schema validator that flags missing or wrong-typed fields against a sample schema. Include three sample documents and a paste-your-own input.
Build a Git visualizer that draws commits and branches as a graph with merge points, lets me simulate commits, branches, merges, cherry-picks and rebases, and shows the resulting log and file state. Make it interactive and educational with a command history that mirrors real git commands, a detached-HEAD warning, and a reset that walks the timeline backwards.
Build a database schema designer: create tables and columns with types, keys and constraints, drag relationships (one-to-one, one-to-many, many-to-many), render an ER diagram with movable tables, and generate SQL DDL for MySQL, PostgreSQL and SQLite. Include a sample e-commerce schema to start from, an export diagram as image button, and a validation panel that warns about missing keys.
Build a code porting assistant UI: paste code, pick a source and target language (Python to JavaScript, JavaScript to Python, SQL to TypeScript), see the converted code side by side with a diff view and copy buttons, and get a notes panel explaining the non-trivial conversions. Use clear, deterministic conversion rules for common patterns and mark anything that needs manual review.
Build a terminal emulator with a working fake shell: commands like ls, cd, cat, echo, pwd, mkdir, rm, help and clear, tab-completion, command history with arrow keys, and a couple of fun easter eggs. Style it like a real dark terminal with a prompt, blinking cursor and CRT glow, and include a man page system for each command.
Build a drag-and-drop kanban board with custom columns, colored task cards with labels, due dates and priorities, a WIP limit per column that warns when exceeded, task search and filtering, and a board summary showing counts and cycle time. Add multiple boards with a switcher, subtask checklists, and local persistence so nothing is lost on refresh.
Create a time tracker with projects, tasks and a start/stop timer, a running today widget, manual time entry, a weekly totals chart per project, billable vs non-billable split, and a timesheet export to CSV. Add idle detection that asks whether to discard idle time, daily and weekly goals, and a focus dashboard showing your most productive hours.
Make a meeting notes app with agenda templates, action items with owners and due dates, decisions log, live minute-taking with timestamps, and a follow-up view that shows all your open action items across meetings. Add attendee lists, meeting tags, a search across all notes, and an export to email-ready summary.
Build a goal planner with yearly goals broken into quarterly milestones and weekly actions, progress bars per goal, a habits section that feeds goal progress, a journaling area, and a review view showing wins and blockers. Add a vision board layout with images, deadline countdowns, and a share-as-image summary of your progress.
Create a habit stacking routine builder: define anchor habits and new habits to stack after them, order them into morning, workday and evening routines, check off each step, and see streak and consistency charts per routine. Add a minimum viable routine mode for low-energy days, reminders, and a weekly routine score.
Make a weekly review template with sections for wins, lessons, numbers (with charts), next week's top 3 priorities, a calendar review checklist, and a score-the-week slider. Add a template editor, review history with trends over weeks, and an auto-generated summary paragraph you can copy into your journal.
Build a simple mind map with draggable nodes, collapsible branches, color themes, keyboard shortcuts for adding siblings and children, auto-layout, and export to image or JSON. Add markdown import that turns an outline into a map, focus mode that highlights one branch, and a presentation mode that walks through branches one by one.
Create a focus timer with pomodoro sessions, configurable work and break lengths, a progress ring, ambient sound toggles (rain, cafe, white noise), session stats with daily and weekly charts, and an interruption log. Add a task list that connects sessions to tasks, a long-break cycle counter, and gentle notification sounds.
Build a live heart-rate (ECG) monitor with a scrolling ECG trace, BPM readout with zones (resting, light, moderate, peak), HRV estimate, a session summary with time-in-zone chart, and historical session records. Add a simulated live feed, an irregular-rhythm alert demo, and breathing-exercise mode with a guided pacer.
Create a weekly workout planner with exercise library grouped by muscle, drag-drop workout builder with sets, reps and rest, a rest timer with sound, a workout log with personal records, and a progress chart per exercise. Add superset and circuit support, a body-part heatmap of weekly volume, and program templates for strength, hypertrophy and conditioning.
Make a calorie counter with a food database (search, add custom), breakfast/lunch/dinner/snack logging, macros (protein, carbs, fat) with daily targets, a remaining-calories ring, water tracking, and a 30-day weight and calorie trend chart. Add barcode-style quick-add presets, a weekly summary, and goal-based calorie recommendations.
Build an activity tracker with step rings (move, exercise, stand), daily and weekly step charts, distance and active-calories estimates, achievements with badges, and a leaderboard versus your own past weeks. Add a workout detection timeline, a goals editor, and a share card that turns today's rings into an image.
Create a hydration tracker with a daily water goal based on weight and activity, quick-add cup sizes, a hydration progress wave animation, reminder scheduling, and a 30-day consistency chart. Add coffee and alcohol adjustments to the goal, temperature-based suggestions, and streak celebrations.
Build a BMI calculator with height and weight inputs, instant BMI with a healthy-range chart showing where you sit, waist-to-height ratio, body-fat estimate, a target-weight planner with date estimates, and healthy tips per range. Add metric and imperial units, a child percentile mode, and a printable result summary.
Make a sleep tracker with a nightly schedule, sleep phases (light, deep, REM) visualization, a sleep score, bedtime consistency chart, and insights like 'you sleep better after exercise days'. Add a smart-alarm window, a wind-down checklist, snore and caffeine logging, and a 30-day trend view.
Create a breathing and meditation timer with calming animated visuals, box breathing and 4-7-8 guided patterns, session length presets, ambient sounds, a session streak and total minutes chart, and journaling prompts after each session. Add a daily reminder and a gratitude log.
Build a step-by-step solver for a chosen math topic (quadratics, fractions, percentages, linear systems, derivatives). Show each step with an explanation, an interactive graph where relevant, a practice mode that generates similar problems with instant checking, and a difficulty selector. Add a worked-example library and a 'show me a different method' button.
Create a spaced-repetition flashcard app with decks, due-today queue based on SM-2 intervals, flip animations, self-graded difficulty buttons (again/hard/good/easy), a review heatmap, and deck statistics. Add image and audio card support, deck sharing by export, and a study-reminder scheduler.
Make an interactive periodic table with element cards showing mass, group, period and state, a detail panel with electron configuration, discovery year, uses and fun facts, color modes (category, state, electronegativity), a temperature slider that melts elements, and a quiz mode where you tap elements by name.
Build language flashcards with audio pronunciation (speech synthesis), spaced repetition, themed decks (food, travel, verbs), a typing practice mode, a mini phrasebook, and progress charts per language. Add a reverse mode (native → target), example sentences per word, and a daily goal of new words.
Create an interactive physics or chemistry simulator: gravity and projectile motion with adjustable parameters, a pendulum lab, circuit builder, or pH and titration lab. Show live graphs of the measurements, a worksheet view with questions, and a variables panel where students change one thing at a time and observe the result.
Build an interactive grammar explainer with example sentences, color-coded parts of speech, common error patterns with before/after fixes, mini quizzes with instant feedback, and topic sections (tenses, punctuation, word order). Add a paste-your-sentence analyzer with clear, rule-based feedback and a difficulty selector.
Make an interactive timeline of a historical period with zoom, era bands, event cards with dates and short explanations, cause-and-effect links between events, a map view for territorial changes, and a quiz mode. Add a compare mode for two civilizations side by side and a 'what happened around the world' global view.
Create a quiz maker with multiple choice, true/false, fill-in-the-blank and matching question types, a live quiz mode with a timer and scoreboard, question banks, randomized question order, and instant grading with explanations. Add a student results report, export to printable paper format, and difficulty tagging.
Build a clean todo list app with add, complete and delete, due dates and priorities, filters (all, active, completed, today), drag-to-reorder, subtasks, and local persistence. Add a smart list that groups overdue, today and upcoming, dark mode, and a productivity count of tasks completed this week.
Create a habit tracker with a weekly grid you tap to check in, streak counts with flame animation, a monthly consistency heatmap, per-habit reminder times, and a statistics view with completion rates. Add habit categories with colors, an archive feature, and a yearly overview.
Build a pomodoro focus timer with sessions, short and long breaks, a progress ring, a task list where you pick the current task, session history with daily totals, and gentle sound alerts. Add a focus mode with dimmed UI, a daily goal, and a stats chart of your most productive days.
Make a monthly budget planner with income and expense categories, envelope-style allocation, spending progress bars with over-budget warnings, a spending-by-category donut chart, recurring bills with reminders, and a savings-rate calculator. Add month rollover, a searchable transaction log, and CSV import.
Create a lightweight notes app with search, pinning, tags, a grid and list view, markdown-style formatting with preview, and local persistence. Add a favorites rail, color-coded notes, a word-count and character-count bar, and an export-all-to-text button.
Build an expense tracker with quick-add categories, a daily transaction list, monthly totals with budget comparison, charts (category donut, daily bar, monthly trend), and receipts-style entry with merchant and note. Add recurring transactions, multi-currency display, and CSV export for your accountant.
Make a recipe book app with recipe cards (photo placeholder, ingredients, steps, time, servings), search and category filters, favorites, a built-in cooking-mode timer per step, and a scale-servings feature that recalculates ingredient amounts. Add a meal planner that slots recipes into the week and builds a shopping list.
Create a mood journal with daily entries, a 1–10 mood slider with emoji, tags for what influenced the day, a trend chart, a calendar heatmap, and gentle weekly insights like 'your mood is highest on days after exercise'. Add a gratitude section, photo attachments, and a passcode lock.
Build my own AI chatbot that answers questions and remembers the conversation. Include a chat window with typing indicator, a knowledge-base panel where I paste facts it should know, adjustable personality (friendly, professional, funny), suggested quick replies, conversation history, and an embed-code generator so I can put the chatbot on my own website.
Make a beautiful resume builder with a live A4 preview, 4 professional templates, sections for experience, education, skills and projects with add/remove rows, a skills-bar visual, an ATS-friendly plain-text export, and one-click PDF download. Add a summary generator that drafts a profile from my experience, and a checklist of what recruiters look for.
Build a strong password generator with length slider, character options (upper, lower, numbers, symbols), exclude-ambiguous toggle, a strength meter with crack-time estimate, a password history, and a passphrase mode using diceware words. Add copy-to-clipboard, a bulk-generate mode for teams, and a 'pronounceable' option for passwords you can say out loud.
Make a QR code generator for URLs, text, WiFi credentials, email and phone. Add colors, error-correction level, a logo overlay, size presets, and download as PNG or SVG. Include a scan-history list and a batch mode that generates codes for a list of URLs.
Make me a neon space dodger game with power-ups (shield, slow-motion, triple shot) and a scoreboard. Add increasing difficulty waves, particle explosions, screen shake, a synthwave soundtrack toggle, and a local high-score table with initials.
Build an endless runner game with jumping, sliding, coins, shields and increasing speed. Add procedurally spaced obstacles, parallax backgrounds, day/night cycle, character skins unlocked by coins, and a distance leaderboard.
Create a colorful match-3 puzzle game with a timer, combos and special gems (bomb, rainbow, lightning) triggered by 4- and 5-matches. Add level goals (score, clear obstacles), limited moves, juicy animations, and a level map with 10 stages.
Make a classic snake game with smooth grid controls, growing speed, bonus fruit, golden apples with a timer, walls and wrap-around modes, a high score saved locally, and a retro CRT visual style.
Build a memory card matching game with a move counter, timer, difficulty levels (grid sizes), emoji and image decks, flip animations, a combo bonus for consecutive matches, and a best-scores board per difficulty.
Create an idle clicker game with upgrades (click power, auto-clickers, multipliers), prestige currency, achievements, floating number animations, an offline-progress calculation, and an upgrade cost curve that stays balanced for hours.
Build a 10-question trivia quiz with a live score, per-question timer, categories (science, history, movies, sports), difficulty selection, lifelines (50/50, skip), and a results screen with a share-your-score card.
Make a small tower defense game with a winding path, waves, tower types (cannon, frost, sniper) with upgrade trees, enemy variety with resistances, economy of gold per kill, speed controls, and a wave-30 victory screen.
Build a GTA-style top-down open-world driving game on a real city map: load OpenStreetMap tiles as the ground, drive a car with WASD and arrow keys with drifting, a mini-map, waypoint missions (pickup and delivery), a wanted heat level with police chases, money, and stats. Make it feel like a polished studio game with engine sounds, skid marks, day/night lighting and a garage of cars to unlock.
Build a mini city-builder: place roads, houses, shops, factories and parks on a grid, manage a budget, population, happiness and traffic, and watch the city grow with a day and night cycle and a live stats panel. Add demand bars for residential, commercial and industrial zones, disasters (fire, earthquake) with a repair mode, and a save/load system.
Build an N-body gravity simulator with real orbital physics: spawn planets and stars of different masses, watch them attract, orbit and collide with trails and merging, a time-speed control, and realistic gravity constants. Add preset systems (binary star, Earth-Moon, chaotic three-body), a collision heat flash, and stats for total energy and momentum.
Build an audio visualizer with equalizer bars, a circular spectrum, a waveform scroll and particle field that react to a simulated audio track. Add 6 visual themes, a beat-reactive color palette, microphone input option, and a fullscreen mode for parties.
Create generative art with 8 algorithms (flow field, L-systems, mandala, Perlin noise, spiral, cellular automata, drips, starfield) with customizable palettes, density and randomness seeds. Add a gallery of saved works, one-click PNG export at 2x resolution, and a randomize button.
Make a simple logo generator with icon presets, font selection, color and gradient pickers, shape combinations, alignment guides, and live preview on business cards and app icons. Add export to PNG and SVG, a brand-color lock, and a history of recent designs.
Build a poetry writing studio with forms (haiku, sonnet, free verse, limerick), rhyme-scheme checker, syllable counter, themed word banks, and a meter highlighter. Add a save-and-collect notebook, a random first-line generator, and a print-layout view.
Create a color palette generator with harmony rules (analogous, complementary, triadic, tetradic), color-space pickers, contrast checker with WCAG ratings, palette preview on sample UI, and export to CSS variables, Tailwind config or image. Add a palette library and an extract-from-image feature.
Make an interactive story builder with branching choices, character cards, scene cards on a timeline, word-count goals, and a readability meter. Add a plot-outline mode, a random plot-twist generator, and an export to printable manuscript format.
Build a simple drawing pad with brushes (pencil, marker, spray), an eraser, undo/redo, layers, a color wheel with recent colors, and canvas size presets. Add a symmetry mode, pressure sensitivity where supported, and export to PNG with transparency.
Create a meme maker with classic templates and image upload, draggable and resizable text with outline, font selection, rotation, and a sticker pack. Add a random-caption generator, a format selector (square, story), and download as image.
Build a caption generator with tone presets (funny, professional, inspirational, sassy), hashtag suggestions grouped by popularity, an emoji picker, character counters for each platform, and a history of recent captions with copy buttons. Add a calendar view that drafts a week of posts.
Build a weather app with current conditions, an hourly forecast strip, a 7-day forecast, feels-like and humidity, wind speed and direction, sunrise/sunset, and severe-weather alerts. Add a searchable city list, animated weather icons, unit toggle (°C/°F), and a precipitation radar placeholder.
Create a trip planner with a destination search, day-by-day itinerary builder, a packing list with smart suggestions by climate and activity, a budget tracker per category, a map of saved places, and a shareable trip summary. Add flight and hotel booking placeholders and a countdown to departure.
Make a world clock with a searchable city list, analog and digital faces, daylight shading on a live globe, time-zone converter with meeting-time finder across 4 cities, and a working-hours overlay. Add daylight-saving indicators and a compare view for scheduling calls.
Build a weekly meal planner with a breakfast/lunch/dinner grid, recipe slots with calorie and macro totals, a generated grocery list grouped by aisle, leftovers scheduling, and a pantry mode to avoid re-buying. Add dietary preference filters and a cost estimate per week.
Create a plant care tracker with a plant collection (name, species, photo placeholder), watering schedule with reminders, a sunlight and humidity needs guide, a fertilizing calendar, and a health log per plant. Add a plant identification quiz and seasonal care tips.
Make a countdown to an event with days/hours/minutes/seconds animation, milestones along the way, a celebration animation at zero, multiple events with a wallpaper gallery, and a shareable countdown card. Add custom background themes and a widget-style compact view.
Build a smart packing list for trips with templates by trip type (beach, business, hiking, winter), quantity steppers, weight estimates, a checked-vs-carry-on split, and a progress bar. Add a 'never forget' section for chargers and documents, and export to a printable checklist.
Create a currency converter with 30+ currencies, live-style exchange rates with a rate table, a conversion history, a fee calculator that shows what a 2% card fee costs, and a travel-mode list of your destination currencies. Add rate-change alerts and an offline last-rates cache.