What is the advantage of UUID v7 over UUID v4?

UUID & Token Generator

Security & Privacy

Generate standards-compliant UUID version 4 (random) and UUID version 7 (time-ordered), NanoID tokens, hex secrets, and custom API keys in single or bulk quantities.

100% Client-Side

Count: 5

Zero-Knowledge Privacy Guarantee

This UUID & Token Generator executes 100% locally in your browser’s JavaScript memory using client-side Web APIs. No inputs, keys, tokens, files, or outputs are ever uploaded to any server or logged in any database.

Key Features & Capabilities

UUID v4 (RFC 4122 compliant random UUID)
UUID v7 (RFC 9562 time-ordered UUID)
NanoID with customizable lengths and alphabets
Hex secrets (128-bit, 256-bit) and API key formats
Bulk generation up to 100 tokens with 1-click copy & TXT download

How to Use This Tool

1Choose your token type (UUID v4, UUID v7, NanoID, Hex, or API Key).
2Specify the quantity you need.
3Click Copy All or Export to Text.

Frequently Asked Questions (FAQ)

UUID v7 includes a millisecond-precision Unix timestamp in its high bits, making it naturally sortable and significantly faster for database B-tree indexing compared to random v4 UUIDs.

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