How to generate UUID online?

Choose v4 or v7 and format options on the Generate tab, then click generate. IDs are created locally in your browser, with single and batch modes available.

Should I use UUID v4 or v7?

Use v4 for general unique IDs; use v7 when IDs should sort roughly by creation time.

Is data sent to a server?

No. Generation and validation run entirely in your browser.

With hyphens vs without?

Same meaning; standard form is 36 characters with hyphens, compact form is 32 hex digits.

UUID Generator Online - v4/v7 Free Tool

UUID Generator

Generate UUID

Generate a single UUID, supports v4 and v7 versions (⌘/Ctrl + Enter)

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JWT Debugging & API Auth Tools

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