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Beautify, minify, and validate JSON data with syntax highlighting and tree view.

Test regular expressions in real-time with highlighting and explanation.

Generate Version 1 (time-based) and Version 4 (random) UUIDs in bulk.

Decode, verify signatures (HS256), and analyze JSON Web Tokens for security risks.

Format and beautify SQL queries. Supports standard SQL, PostgreSQL, MySQL.

Check which web APIs and permissions (Camera, Mic, Geo) are supported and active in your browser.