Developer tools
Format JSON, encode Base64, convert Unix timestamps and generate UUIDs, using native browser APIs and strict, predictable behavior.
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- JSON Formatter Validate, beautify or minify JSON and see exactly where it is invalid. Strict RFC 8259 JSON only.
- Base64 Encode/Decode Encode text to Base64 or decode Base64 back to text. Unicode-safe, with a URL-safe option.
- Unix Timestamp Converter Convert Unix timestamps (seconds or milliseconds) to dates and dates back to timestamps.
- UUID Generator Generate random version 4 UUIDs, one or up to 100 at a time, using your browser's secure random generator.