Use UUID Generator
- Enter or configure the source values.
- Choose the relevant mode and run the action.
- Review the result before copying or downloading it.
UUID v4 Generator
Generate one or a bounded batch of UUID version 4 identifiers locally with cryptographic browser randomness.
Generated values and inputs stay in browser memory in this tab. Nothing is uploaded, logged, saved, or added to the URL.
Enter text and choose an action.
Create standards-shaped UUID v4 values with lowercase or uppercase display and TXT export.
How OpenFileTools processes it
Local processing, explicit choices.
OpenFileTools performs this generation locally in the browser after an explicit action.
Questions, answered.
Is any input uploaded?
No. Input and results stay in memory in the current browser tab.
What should I verify?
UUID v1, v3, v5, and ULID are outside this authoritative v4 route.