devtools

The everyday utilities, without the ads. Everything runs in your browser.

encode
Base64 Encode and decode base64. Text or file. URL Encode, decode, and dissect a URL.
inspect
JSON Format, minify, validate, and inspect JSON. JWT Decode a JSON Web Token. Inspect header and payload. Regex Test patterns. See matches and capture groups live. Diff Compare two blocks of text. Line and word level.
generate
Hash MD5, SHA-1, SHA-256, SHA-384, SHA-512. Text or file. UUID Generate v4 and v7 UUIDs. In bulk. Cron Explain a cron expression. See the next runs. Color Pick a color. Convert hex, rgb, hsl, oklch.
preview
Markdown Render markdown. Copy as HTML. HTML Paste HTML. Render it in a sandboxed frame. React Live JSX preview. A tiny sandbox.