Free UUID Generator Online - Fast & Private Web Utility
Create cryptographically random version 4 UUIDs in bulk.
Runs entirely in your browser - your files are never uploaded
What is UUID Generator?
UUID Generator is a free, web-based utility designed for instant, local developer tools tasks. It allows users to compute, format, convert, or edit data directly in their browser without installing software or registering an account.
- 100% Free & Unlimited Usage
- 0% File Uploads (100% Client-Side Privacy)
- Instant Real-Time Calculations
- Mobile, Tablet & Desktop Compatible
How to use UUID Generator
Select or Enter Input
Provide your source file or type your values into UUID Generator.
Configure Settings
Adjust parameters, formatting options, or units in real-time.
Get Instant Output
Download the final processed file or copy the generated output.
Features & Overview of UUID Generator
Generate one identifier or a thousand at a time for database seeds, test fixtures or API keys. Formatting options cover uppercase, braces and hyphen-free variants used by different platforms.
Values come from the browser's cryptographically secure random number generator, so they are suitable for production identifiers and are never transmitted anywhere.
Frequently Asked Questions about UUID Generator
Answers to common questions regarding UUID Generator features, data privacy, and usage.
Related Developer Tools
JSON Formatter
Beautify, minify and validate JSON with clear error messages.
Format JSONBase64 Encoder
Encode text or files to Base64, including data URLs.
Encode Base64Base64 Decoder
Decode Base64 strings and data URLs back to text.
Decode Base64URL Encoder & Decoder
Percent-encode or decode URLs and query parameters instantly.
Encode / Decode URLHash Generator
Compute MD5, SHA-1, SHA-256 and SHA-512 digests from text.
Generate HashTimestamp Converter
Convert Unix timestamps to dates and back, in UTC or local time.
Convert Timestamp