Developer utilities
Precision tools for
everyday dev work.
Single-purpose utilities that do one thing well. No accounts, no paywalls, no distractions — just the tool and the answer.
No signup·No tracking·No ads·Always free
All tools
Explainers
Parse and decode complex formats
Formatters
Prettify, validate, and transform data
Generators
Create IDs, tokens, and test data
Converters
Transform between formats and units
Fast
Every tool runs entirely in your browser. No server round-trips, no waiting.
Private
Your data never leaves your machine. No analytics on tool inputs or outputs.
Focused
One tool per page. No upsells, no feature bloat, no dark patterns.