JWT Decoder
Decode JWT header and payload sections so you can inspect claims without verifying the signature.
What this tool does
A lightweight formatter for common SELECT, JOIN, WHERE, GROUP BY and ORDER BY queries. It is designed for quick readability, not full database-specific parsing.
How to use it well
Start with a small sample, check the output, then paste the full text when the result looks right. For important production data, review the output before saving or sharing it.
Common uses
- Clean copied queries
- Prepare SQL examples
- Review query structure