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UUID Generator

v4 & v7

Generate RFC 9562 compliant UUID v4 (random) and UUID v7 (time-ordered) identifiers in bulk.

Privacy & Data Handling: UUID batches are generated on-demand using CSPRNG randomness.
HYBRID MODE
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How to Use UUID Generator

  1. Select UUID Version 4 (random) or Version 7 (timestamp-ordered).
  2. Choose how many UUIDs to generate (up to 100) and toggle formatting options (uppercase, hyphens, braces).
  3. Click Generate UUIDs and copy individual lines or the entire batch.

About This Utility

Generate between 1 and 100 universally unique identifiers at a time. Supports classic random UUID v4 as well as modern millisecond-sortable UUID v7 ideal for indexed database primary keys.

Frequently Asked Questions

UUID v7 embeds a 48-bit Unix epoch millisecond timestamp in the most significant bits, ensuring sequential B-tree index locality in MySQL InnoDB and PostgreSQL.