Web App
Dev Utilities
The small tools you reach for a dozen times a day, in one fast interface — and none of them send your data anywhere.
A look

Why
Every developer has a handful of these bookmarked: a JSON formatter, a Base64 decoder, something to check what's inside a JWT. Most of them are ad-choked pages that quietly POST whatever you paste to a server you know nothing about — which is a genuinely bad habit when the thing you pasted is a token from production.
These run entirely in your browser. No account, no upload, no request leaves your machine. They also work offline once loaded, and there's a command palette on ⌘K so you never have to hunt for the right one.
What's in it
- JSON — compare two documents line by line, pretty-print or minify, infer a JSON Schema
- Encode / decode — Base64, HTML entities, URL tools, and a JWT decoder
- Generators — hashes, strong passwords, QR codes, UUIDs
- Converters — colour formats, cron expressions, CSV to iCal, JSON to CSV, number bases, timestamps
Free, no ads, no tracking.
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