System
Tools
A collection of free, client-side, highly-performant utilities designed to solve immediate problems without storing your data.
Password Generator
Secure, client-side, highly customizable password generator. No data sent to servers.
JSON Formatter
Instantly pretty-print and validate complex JSON structures.
Base64 Encoder
Encode and decode Base64 strings safely in your browser.
Word/Char Counter
Live word, character, and reading time tracking for copywriters and devs.
JWT Decoder
Decode JSON Web Tokens instantly to inspect payload and header data.
Color Extractor
Extract beautiful hex color palettes directly from any uploaded image.
Bespoke QR Generator
Design highly customized, beautiful QR codes with logos and colors.
Image Compressor
Locally convert and compress images (WebP/JPEG/PNG) to save bandwidth.
URL Parser & De-tracker
Parse monstrous URLs, inspect search parameters, and strip tracking tags.
Deep Work Timer
Brutalist Pomodoro timer with visual progress ring and audio cues. No distractions.
Text & Case Converter
Instantly convert text to UPPER, lower, Title, camelCase, snake_case and more.
Live Markdown Editor
Split-screen Markdown editor with live preview and one-click rich-text copy.
CSS Shadow Studio
Visual box-shadow and glassmorphism generator. Drag sliders, copy CSS.
Regex Tester
Write, test and understand regular expressions with live match highlighting and plain-English explanations.
Timezone Planner
Pick a time and see it in every city at once. Built for remote meetings and international teams.
Diff Checker
Paste two texts side by side and see exactly what changed — line by line, color coded.
Flashcard Studio
Create decks, study with flip cards, and track what you know. Saved locally in your browser.
Timestamp Converter
Convert Unix timestamps to human-readable dates across all timezones, and vice versa.
Loan & EMI Calculator
Calculate your monthly loan repayment, total interest, and principal breakdown with live sliders.
Currency Converter
Live exchange rates for 20+ currencies. Powered by Frankfurter API, updated daily.
Bill Splitter
Split restaurant bills fairly with custom tip %, tax, and per-person breakdown.
BMI Calculator
Calculate your Body Mass Index with health category and ideal weight range. Metric & Imperial.
Age Calculator
Your exact age in years, months, and days. Plus total hours alive and next birthday countdown.
Calorie & Macro Calculator
Find your daily calorie target and macro split using the Mifflin-St Jeor equation.
Water Intake Calculator
Your optimal daily water intake based on weight, activity level, and climate.
GPA Calculator
Add courses with grades and credit hours. Get your weighted GPA on a 4.0 or 5.0 scale.
Readability Checker
Paste your text to get live word count, reading time, and Flesch readability score.
Citation Generator
Generate Harvard, APA, MLA, Chicago, IEEE, and Vancouver citations for books, websites, journals, and videos.
Invoice Generator
Create professional invoices with your logo, brand colors, line items, tax, discount, and PDF export. Free, no sign-up.