Format, diff, convert and validate data. A fast toolkit for JSON, YAML, TOML and CSV that runs entirely in your browser, so your data never leaves your machine.
The utility belt for structured data. Paste, prettify, convert between formats, validate against a schema and diff two versions side by side.
Your team’s snippet library, wherever you type.
Save, search and share code snippets across your editor, terminal and browser, with offline-first sync.
Build and explain regular expressions.
Write regex with live match highlighting, plain-English explanations and shareable test suites.
Mock, test and monitor any API.
Spin up realistic mock APIs from an OpenAPI spec in seconds, then monitor the real thing using the same collection.