JSON Lab
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JSON Editor
Format, validate and edit JSON
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Format and prettify JSON
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Minify JSON for production
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Compare two JSON documents
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JSON Schema Validator
Validate JSON against schema
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Convert JSON to CSV format
JSON ↔ YAML
Convert between JSON and YAML
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Convert JSON to XML format
SQL to JSON
Convert SQL results to JSON
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JWT Decoder
Decode and inspect JWT tokens
Base64 Encoder/Decoder
Encode and decode Base64
URL Encoder/Decoder
Encode and decode URL strings
Timestamp Converter
Convert timestamps and dates
Generate
UUID Generator
Generate UUID identifiers
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Frequently asked questions
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JSON Diff
Compare two JSON documents.
JSON to CSV
Export arrays to CSV.
JSON ↔ YAML
Convert YAML and JSON.
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Convert for legacy systems.
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Format query output to JSON.
JWT Decoder
Inspect JWT safely.

UUID Generator

Generate UUIDs (v1, v4, v7) quickly in your browser. All processing happens client-side for privacy.

  • Support for UUID v1, v4, and v7 versions.
  • Generate single or multiple UUIDs at once.
  • One-click copy to clipboard.
  • All processing happens in your browser.
Base64JWT DecoderTimestamp

FAQ

Which UUID version should I use?
v4 is most common for general use. v7 is recommended if you need time-ordered UUIDs for database indexing.
Are these UUIDs cryptographically secure?
v4 uses a cryptographically secure random number generator in the browser.