UUID Generator
Generate bulk RFC 4122 v4 UUIDs with formatting options.
About the UUID Generator
Create cryptographically random UUID v4 identifiers using the Web Crypto API. Generate up to 1000 at once and format them with uppercase, braces, or no dashes.
Popular uses
- uuid
- guid
- generator
- unique id
- v4
Examples
Single UUID v4
generateOutput
3f2504e0-4f89-11d3-9a0c-0305e82c3301Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
Related tools
.gitignore Generator
Generators
Build a .gitignore file from built-in language and OS presets.
Fake User Generator
Generators
Generate random fake user records with names, emails, and addresses.
Password Generator
Generators
Create secure passwords with custom length and character sets.
Random Number Generator
Generators
Generate random integers, decimals, dice rolls, and shuffled lists.
ULID Generator
Generators
Generate sortable ULIDs with timestamp and random components.
Apple App Site Association Generator
Generators
Build the AASA file that powers iOS universal links.
Works well with
Next steps from other categories.
UUID Validator
Dev Utilities
Validate and inspect UUIDs, including version and timestamp.
SQL DDL to TypeScript / Zod / Prisma / Drizzle
Converters
Generate TypeScript, Zod, Prisma, Drizzle, JSON Schema and an ER diagram from CREATE TABLE SQL.
Frequently asked questions
Read more
- UUID vs ULID vs nanoid: picking an identifier
Three popular ways to generate unique IDs, how they differ in sortability, size and collision risk, and when to use each.
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser