JSON Formatter
Format, minify, and validate JSON with syntax highlighting.
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No servers, no tracking, no data leaves your device. Built for speed and keyboard-first workflows.
Ctrl+Enterto execute in any tool
Format, minify, and validate JSON with syntax highlighting.
Decode JWT tokens and inspect header, payload, and expiry.
Encode and decode Base64 strings instantly.
Generate v4 UUIDs — single or bulk up to 100.
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes.
Test regular expressions with live highlighting and match groups.
Convert between Unix timestamps, ISO 8601, and human-readable dates.
Encode and decode URLs and URI components.
Write Markdown and see a live rendered preview side by side.