Decode

A client-side, neon-maximalist decoder playground for quick CTF, web, and crypto puzzles. No data leaves your browser — everything runs locally in JavaScript.

Live Demo

Push to GitHub and enable GitHub Pages from the root of the default branch to use it instantly.

Features

• Base64 — encode / decode
• URL — encode / decode / all components
• ROT — ROT-N cipher with shift selector
• Hex — hex ↔ text
• Binary — binary ↔ text
• Morse — text ↔ Morse code
• JWT — decode header & payload
• HTML Entities — encode / decode
• Auto-decode — tries common decoders and shows the best guess
• Brute-force ROT — lists all 25 shifts at once

UI

• Neon maximalism theme with cyan, magenta, and lime glows
• Glassmorphic panels, animated title, scanline overlay
• Input/output swap, copy, clear, sample, and live stats
• 20-item history with one-click restore

Local Use

Open index.html in any modern browser. No build step or server required.

Deploy to GitHub Pages

1. Create a new repository on GitHub.
2. Upload index.html, style.css, app.js, and README.md.
3. Go to Settings → Pages.
4. Under Build and deployment, select Deploy from a branch and choose your branch (usually main).
5. Save and wait a few seconds for the URL to appear.

License

MIT — free to use, modify, and deploy.