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Secure UUID Generator

Generate cryptographically secure RFC 4122 version 4 UUIDs (Universally Unique Identifiers) in-browser.

Security & Cryptography Suite
Password GeneratorPassword Strength CheckerSHA Hash GeneratorMD5 Hash GeneratorBase32 Encoder/DecoderBase58 Encoder/DecoderBase85 Encoder/DecoderRandom String GeneratorSecure UUID GeneratorText Encrypt/Decrypt

Workspace Inputs

Result / Output

Sponsored

What is Secure UUID Generator?

A Universally Unique Identifier (UUID) is a 128-bit label used for information in computer systems. Version 4 is entirely random.

Generate secure UUID v4 tokens. Runs 100% locally.

How to use the Secure UUID Generator

  1. 1Choose count to generate.
  2. 2Click generate.
  3. 3Copy results.

Benefits & Key Features

  • Cryptographically secure UUIDs.
  • Bulk generation support.
  • Standard hyphenated format.

Frequently Asked Questions

The probability is close to zero. Generating 1 billion UUIDs every second for 100 years would result in a 50% chance of a single collision.

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Random String Generator

Generate customizable random strings. Choose length and include custom character blocks.

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Password Generator

Generate cryptographically secure passwords. Customize length and choose to include numbers, uppercase letters, and symbols.

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Password Strength Checker

Evaluate password complexity, entropy bits, and estimated crack time client-side.

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SHA Hash Generator

Generate secure SHA-1, SHA-256, and SHA-512 hashes. Secure browser Web Cryptography execution.

sha-256sha-512sha-1 hash