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Online Toolbox

A collection of practical web utilities - Co-designed by Claude Code. Use at your own risk.

Photo Mosaic

Blur selected areas of an image to protect privacy

Text Formatter

Clean whitespace, line breaks, and adjust casing

URL to QR

Convert URLs to scannable QR codes

Exam Timer

Large-screen timer for exams or talks

JSON Formatter

Validate, pretty-print, and minify JSON

Base64 Encoder/Decoder

Convert text and files to/from Base64

Timestamp Converter

Convert between Unix timestamp and datetime

URL Encode/Decode

Encode/decode full URLs or URL components

Password Generator

Create secure, random passwords

More Tools

Coming soon...