Tools
small everyday utilities
productivity/ 9 items
Finance & Productivity · track, plan, focus
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expense-tracker* Expense Tracker Track income and expenses in any currency, manage your own categories, monthly budgets and income targets, and see the summary. Your data stays on your device. -
todo* Todo List A task list with priorities, due dates, today and overdue filters, and drag-to-reorder. Saved on your device and works offline. -
pomodoro* Pomodoro Timer Focus for 25 minutes, rest for 5. A productivity timer that works offline. -
split-bill* Split Bill Split a shared bill fairly: assign each item to the people who had it, with service, tax, discount, and delivery. Copy the result straight to your group chat. -
stopwatch* Stopwatch & Countdown Timer A stopwatch with laps and several countdown timers at once, with an alarm sound. Stays accurate even if you close the page. -
habit-tracker* Habit Tracker Check off daily habits and see your streaks and a 12-week map. Data stays on your device, no account. -
cost-price-calculator* Cost & Price Calculator Work out the cost of goods from ingredients and other costs, then set a selling price from a target margin, including marketplace fees. -
break-even* Break-Even Calculator How many units must you sell to stop losing money? Find the break-even point per day, week, and month from fixed costs, price, and unit cost. -
cash-book* Small Business Cash Book Record sales and expenses for a small business, see daily and monthly profit, and your best-selling products. Data stays on your device.
developer/ 3 items
Developer · format, encode, generate
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json* JSON Formatter & Validator Pretty-print, minify, sort keys, and validate JSON. Errors point to the exact line and column, plus a tree view. -
base64* Base64 Encoder/Decoder Encode and decode Base64 for text (UTF-8, emoji included) and files, with URL-safe and data URI options. -
html* HTML Formatter & Validator Pretty-print HTML (including embedded CSS and JavaScript), minify, catch mistakes like unpaired tags and duplicate ids, with a preview.
design/ 4 items
Image & Design · color, images, QR codes
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qr-code* QR Code Generator Make QR codes for text, URLs, Wi-Fi, or contacts. Set colors, size, and a logo, then download PNG or SVG. -
color-palette* Color Palette Generator Generate harmonious 5-color palettes (analogous, complementary, triadic, and more), lock favorites, and export to CSS or Tailwind. -
watermark* Image Watermark Add a text or logo watermark to many photos at once: set position, size, opacity, rotation, or a tiled pattern. -
image-compressor* Image Compressor & Resizer Shrink photo file size and dimensions, and convert to WebP, JPG, or PNG. Processed on your device, never uploaded.
text/ 1 item
Text & Language · transform and count text
calculate/ 5 items
Calculate & Convert · units, numbers, calculators
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unit-converter* Unit Converter Convert length, weight, temperature, area, volume, speed, time, data, pressure, and energy units instantly. -
number-bases* Number Bases Convert numbers between decimal, binary, octal, and hexadecimal. Flip individual bits and watch the value change. -
percentage-calculator* Percentage & Discount Calculator Work out stacked discounts like 30%+20%, percentages of a number, and percent increase or decrease. -
loan-calculator* Loan & Mortgage Calculator Simulate mortgage or car loan payments: compare amortizing, flat, and declining-balance interest, with a monthly schedule. -
date-calculator* Date Calculator Count days between dates, working days, exact age down to the day, and the date after adding or subtracting days, months, or years.
utilities/ 3 items
Everyday Utilities · phone camera & sensors: compass, level, QR scan
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compass* Compass & Qibla A digital compass from your phone’s sensors, with cardinal directions and a qibla pointer from your GPS location. Works without internet. -
spirit-level* Spirit Level Turn your phone into a spirit level: check tables or shelves in flat mode, or picture frames and wall shelves in edge mode. Calibratable. -
qr-scanner* QR Scanner Scan QR codes with your phone camera or from images and screenshots. Copy the result, open links, and read Wi-Fi QR passwords at a glance.
security/ 1 item
Security & Privacy · passwords, hashes, privacy
