Interactive Git graph & CLI sandbox

Master Git branching, rebases, merges, cherry-picks, detached HEAD, and stashes with a live reactive DAG graph and interactive terminal.

Live markdown preview

Split-pane markdown editor with real-time preview. Perfect for writing README files, documentation, and blog posts with export to HTML.

Visual gradient generator

Build linear, radial, and conic CSS gradients visually. Add stops, adjust angles, and copy ready-to-use CSS or Tailwind classes.

Mermaid diagram editor & previewer

Interactive Mermaid diagram editor with live SVG rendering, theme selection, presets, zoom/pan canvas, and export to SVG, PNG, and .mmd.

Generate & Read QR Codes

Create custom QR codes for URLs, Wi-Fi, Contacts, and Text with color & logo options, or upload/scan QR codes to decode content instantly.

Format & validate JSON

Paste raw JSON to instantly format, validate, and minify it. Essential for debugging API responses and reading nested data structures.