A growing collection of focused utilities built for students and developers. Start with the live typing test, JSON formatter, markdown editor, focus timer, gradient generator, and Base64 encoder — then watch this hub expand with more formatters, references, timers, and interactive learning tools.
Git Visualizer
Master Git branching, rebases, merges, cherry-picks, detached HEAD, and stashes with a live reactive DAG graph and interactive terminal.
Typing Test
Practice everyday typing, code symbols, terminal commands, and long-form developer text. Tracks WPM, accuracy, streak, and consistency score.
Markdown Editor
Split-pane markdown editor with real-time preview. Perfect for writing README files, documentation, and blog posts with export to HTML.
CSS Gradient Builder
Build linear, radial, and conic CSS gradients visually. Add stops, adjust angles, and copy ready-to-use CSS or Tailwind classes.
Mermaid Editor
Interactive Mermaid diagram editor with live SVG rendering, theme selection, presets, zoom/pan canvas, and export to SVG, PNG, and .mmd.
QR Code Tool
Create custom QR codes for URLs, Wi-Fi, Contacts, and Text with color & logo options, or upload/scan QR codes to decode content instantly.
JSON Formatter
Paste raw JSON to instantly format, validate, and minify it. Essential for debugging API responses and reading nested data structures.
JWT Decoder
Inspect JSON Web Token headers, claims payload, expiration countdowns, and signatures with 100% client-side privacy.
cURL Converter
Turn raw terminal cURL requests into clean, idiomatic API code snippets across 7 programming languages instantly.
HTML, CSS & JS Formatter
Beautify messy HTML, CSS, JavaScript, and JSON source with proper indentation, minify options, and syntax-aware output.
SQL Formatter
Pretty-print SQL for MySQL, PostgreSQL, SQLite, T-SQL, and Oracle with dialect-aware keywords, minification, and query analysis.
Diff Checker
Line-by-line diff comparison tool with addition/deletion metrics, whitespace filters, and unified patch export.
Regex Tester
Write and test regular expressions with live match highlighting, capture groups, flags, replace mode, and a built-in pattern cheat sheet.
Base64 Encoder / Decoder
Convert text and files to Base64 or data URLs and back — with URL-safe mode, binary hex views, and one-click copy.
Password Generator
Generate cryptographically random passwords with full character control, plus memorable XKCD-style passphrases and entropy strength meter.
Hash Generator
Compute cryptographically secure MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text or uploaded files.
Pomodoro Timer
Pomodoro timer tailored for study sessions with configurable work/break intervals, session tracking, and ambient sound options.
CSS Tools
A visual suite of CSS generators — layered box shadows, corner radii, fluid clamp() sizing, and an interactive flexbox playground with copy-ready CSS output.
Color Studio & Contrast
Convert between HEX, RGB, and HSL formats, check WCAG 2.1 contrast ratios for accessibility, and generate 10-shade palettes.
IPYNB to PDF Converter
Convert Jupyter Notebook (.ipynb) files to print-ready PDF client-side. Customize themes, font size, margins, cell visibility, and page numbers.
Word to PDF Converter
Convert Word (.docx, .dotx) documents to print-ready PDF client-side. Live document preview, custom margins, page sizes, headers, footers, and watermarks.
Have an idea for a utility that would help students or developers? The feature above is just a start — more tools are shaped by real feedback.