UUID & GUID Generator
v4 & v70ms Client SandboxHigh-performance, RFC 4122 and RFC 9562 compliant UUID v4 and v7 generator. Generate in the browser or integrate directly via our zero-latency REST API.
Interactive Tool Console
Local Browser • Zero Latency & 100% PrivateLive API IntegrationPublic Edge REST API
Call this tool in your codebase or backend services directly via REST API.
curl -X GET "https://findfreeapi.com/api/v1/tools/uuid?version=v4&count=3"Key Standards & Highlights
Frequently Asked Questions
What is the difference between UUID v4 and UUID v7?
UUID v4 is purely random with 122 bits of entropy. UUID v7 (RFC 9562) combines a millisecond Unix timestamp prefix with random entropy, preventing B-tree index fragmentation in databases like PostgreSQL and MySQL.
Is there any risk of duplicate UUID collisions?
The collision probability is mathematically negligible. Using cryptographically secure random number generators (CSPRNG), generating a billion UUIDs every second for centuries would still carry virtually zero collision risk.
Can I generate UUIDs programmatically via REST API?
Yes, make a GET request to /api/v1/tools/uuid to receive instant JSON-formatted UUID v4 or v7 batches without authentication.
Popular Free APIs to Pair With This Tool
Verified free REST APIs that seamlessly complement this utility to accelerate your development workflow.
Sahte veri API'si, tamamen ücretsiz
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