RFC 9562 Compliance Checker — UUID Spec Compliance

Check UUID compliance with RFC 9562 (formerly RFC 4122). Version 7 and updates.

RFC 9562 Compliance Checker: Check UUID compliance with RFC 9562 (formerly RFC 4122). Version 7 and updates. Catches the subtle errors — trailing commas, type mismatches, missing brackets — that cause runtime failures. Browser-only execution: your data exists only in memory while the tab is open. Free to use at HttpStatus.com, in the UUID tools area.

Frequently Asked Questions

Does RFC 9562 Compliance Checker fix errors automatically?

No. RFC 9562 Compliance Checker reports errors with exact positions but doesn't modify your input. Use it to find problems, then fix them yourself.

What's the size limit for input?

Client-side tools use your device's memory, so they handle up to several megabytes. Very large inputs may slow the tab.

Why use a browser tool instead of the command line?

No installation, works on any device, and results are shareable via URL. CLI tools are still better for CI/CD pipelines.

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