UUID Generator
Generate UUID v4 identifiers in bulk. Copy one or all at once, toggle uppercase — all using the native crypto API for true randomness.
UUIDs are generated locally in your browser using the native crypto API — nothing is sent to a server.
About this tool
Generate UUID v4 identifiers in bulk using the native Web Crypto API for true randomness. Copy all, filter, or regenerate anytime — nothing is uploaded.
Creating random identifiers usually means a command-line tool or a website. This generator produces standards-compliant UUID v4 values in the quantity you need, leveraging your browser's crypto API for strong randomness. It's quick, private, and repeatable.
Why use it
Instant, cryptographically-random UUIDs in bulk with no uploads — handy for keys, IDs, and generating test data.
How it works
- Set how many UUIDs to generate.
- Generate the identifiers.
- Copy them all or export the list.
Frequently asked questions
Are the UUIDs truly random?
Yes — they're generated with the browser's Web Crypto API.
Can I generate many at once?
Yes, generate them in bulk.
Is anything uploaded?
No — generation happens entirely in your browser.
All processing on this page happens locally in your browser — your files are never uploaded to a server.
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