UUID Generator – Generate Unique UUIDs Online
UUID Generator
Generate unique UUIDs instantly. Create single or multiple UUIDs for development, databases, APIs and other projects.
550e8400-e29b-41d4-a716-446655440000
Time-based UUID containing timestamp and clock sequence information.
Free Online UUID Generator
Generate one or multiple UUIDs for development, databases, APIs, test data and other projects. Choose UUID v4 random identifiers or the tool's timestamp-based UUID v1 option and generate up to 100 UUIDs at once.
How to Generate UUIDs
- Select UUID v4 or UUID v1.
- Choose how many UUIDs you want to create, from 1 to 100.
- Click Generate UUIDs.
- Review the generated identifiers in the output box.
- Use Copy UUIDs to copy the complete list.
UUID v4 and UUID v1 Options
UUID v4 uses random bytes and sets the version and variant bits in the generated identifier. The UUID v1 option in this tool uses the current timestamp together with a random clock sequence and random node ID. Generated values use the familiar 36-character, 8-4-4-4-12 UUID layout.
Frequently Asked Questions
How many UUIDs can I generate at once?
The current tool can generate from 1 to 100 UUIDs in one batch.
Which UUID versions are available?
You can choose UUID v4 random generation or the tool's timestamp-based UUID v1 option.
What format do the generated UUIDs use?
They use the standard-looking 36-character UUID layout with groups of 8-4-4-4-12 hexadecimal characters.
Can I copy multiple UUIDs together?
Yes. Copy UUIDs copies the generated list to your clipboard.
Are generated UUIDs sent to a server?
No. The current generator creates UUIDs locally in your browser.