UUID Generator

Generate cryptographically secure UUID Version 4 tokens and GUID identifiers in bulk with custom casing and hyphens.

How to Use UUID Generator

Select how many UUIDs you need (1 to 100).

Choose uppercase, lowercase, with or without hyphens.

Instant batch generation with one-click clipboard copy.

Database administrators, backend architects, and API testers generating unique primary keys.

Generates up to 100 UUIDs per batch using CSPRNG.

Are these UUIDs cryptographically random?

Yes! Generated using RFC 4122 v4 specifications with CSPRNG (Crypto.getRandomValues).

Is my source code, JSON, or payload data sent to external servers?

Can I convert multiple files in batch at the same time?

What is the maximum file size limit for UUID Generator?

Is UUID Generator safe and secure for sensitive or confidential files?

Do I need to install any software, browser extensions, or plugins?

Encode special characters, spaces, and query parameters into standard percent-encoded URL strings.

Prettify, validate, format, and indent JSON data with custom spacing and instant syntax highlighting.

Decode percent-encoded (%20, %26, %3D) URLs and query parameters back into human-readable text.

Validate JSON syntax in real-time, detect missing quotes, unclosed brackets, trailing commas, and inspect payload schemas.