Generate tracing IDs
Create a fresh UUID quickly when you need a request, session, or incident reference while debugging.
UUID Converter
🔒 Browser-side processing
crypto.randomUUID() generation plus hex(binary16) round-trips.
Guide
Common reasons to use this UUID converter
Review database storage formats
Convert string UUIDs into hex(binary16) when comparing storage strategies for binary columns or compact transport formats.
Restore legacy values
Turn raw 32-character hex values back into standard UUID form so they are easier to inspect and compare.
More: how to use it, examples, and common errors
Notes
Questions that come up in practice
Why use hex(binary16)?
It removes hyphens and can fit more naturally into compact binary storage strategies than a plain UUID string.
Should I use UUID v7 instead?
If you need time-sortable identifiers, the dedicated UUID v7 generator is the better fit. This page is focused on conversion workflows.
Does this page upload UUIDs anywhere?
Generation and conversion happen in the browser. You should still account for browser extensions or your own security policies when handling sensitive identifiers.
How To
The most practical order for using this page
1. Generate first when you need a fresh identifier
Start with UUID v4 or ULID when you need a tracing ID, a temporary reference, or a clean test value right away.
2. Compare storage formats through round-trip conversion
When logs, binary columns, or legacy datasets hold the same value in a different format, convert both ways before assuming they differ.
3. Move to UUID v7 when ordering matters
If the real question is about time-ordered identifiers, continue into the UUID v7 generator instead of stopping at plain conversion.