Private tools that run on your device.
sconehead is a local, private utility platform. Every tool executes in your browser. Your JSON, images, tokens, and secrets never leave this device.
Keep these close
JSON Formatter
Pretty-print or minify JSON in your browser.
UUID Generator
Generate RFC 4122 version 4 UUIDs in your browser.
Hash Generator
Create SHA hashes locally with the Web Crypto API.
QR Code Generator
Create a QR code from text or a URL, then download a PNG.
Password Generator
Generate strong passwords with cryptographically secure randomness.
Work locally
Developer
JSON, encoding, hashes, and tokens — decoded on this device.
10 tools
Text
Count, convert, and clean text without sending it anywhere.
5 tools
Generator
Create QR codes, passwords, and strings privately on-device.
3 tools
Image
Resize, convert, and inspect images. Files never leave the browser.
5 tools
Color
Pick, convert, and check colors locally.
5 tools
Calculator
Quiet, on-device calculations. No account required.
2 tools
Converter
Time and format conversions that stay on your machine.
1 tools