Yes. All 42 tools are 100% free with no signup, no ads in your face, and no hidden limits. The core tools will always be free.

Do AHX tools upload my data to a server?

No. Every tool runs entirely in your browser using JavaScript. Your data never leaves your device.

Can I use AHX offline?

Yes. Once the page has loaded, every tool works without an internet connection. AHX is installable as a PWA.

Is UUID Generator free?

Yes. UUID Generator is 100% free with no signup and no usage limits.

Does UUID Generator upload my data?

No. UUID Generator runs entirely in your browser. Your data never leaves your device.

Do I need to install anything?

No. UUID Generator works in any modern web browser. Just visit the page and start using it.

AHX

UUID Generator

Generate RFC 4122 UUIDs v4. Bulk up to 100.

Count5

Version

HyphensUppercase

Runs entirely in your browser. No data leaves your device.

About UUID Generator

Generate cryptographically random RFC 4122 version 4 UUIDs. Bulk generate up to 100 at once, toggle hyphens on/off, switch to uppercase format. We use the browser's native crypto.randomUUID() function for true cryptographic randomness.

Common use cases

Generate a UUID for a database primary key
Create unique IDs for API requests
Generate test data with realistic UUIDs
Create unique session identifiers
Generate UUIDs for distributed system tracing

Related tools

QR Code Generator

Generate QR codes for URLs, text, WiFi, contact info.

Password Generator

Strong, random passwords with custom length and entropy meter.

Color Picker & Converter

HEX ↔ RGB ↔ HSL conversion + palette generator.

All tools

Loading AHX...