Developer tools
All tools
JSON
Format, validate, transform, and compare JSON data.
Encoding & Decoding
Encode, decode, and inspect common web values.
JWT
Encoding & DecodingJWT Decoder
Decode JWT headers and payloads locally without exposing secrets.
Open tool →B64
Encoding & DecodingBase64 Encoder / Decoder
Encode or decode Base64 text in the browser with no upload.
Open tool →URL
Encoding & DecodingURL Encoder / Decoder
Encode and decode URL-unsafe characters safely.
Open tool →Generators
Create safe values and sample data for development.
Data & Conversion
Convert between structured data formats and timestamps.
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Data & ConversionUnix Timestamp Converter
Convert precise timestamps between Unix time and human-readable dates.
Open tool →Code
Format and validate SQL, regex, and source snippets.