How many UUIDs can I generate at once?
You can generate up to 1000 UUIDs at once with our bulk generator. For larger quantities, simply generate multiple batches. All generation happens in your browser for maximum speed.
Bulk UUID Generation
Our bulk UUID generator allows you to create up to 1000 UUIDs in a single click. All generation happens locally in your browser using cryptographically secure random numbers.
Features
- UUID v4 and v7 support - choose the version that fits your needs
- Multiple format options - uppercase, no hyphens, braces, quotes
- Instant copy - copy all UUIDs to clipboard with one click
- Download as file - save UUIDs as a .txt file
- Fast generation - generate 1000 UUIDs in milliseconds
- 100% private - all generation happens in your browser
Common Use Cases
- Database seeding - generate primary keys for test data
- API testing - create unique identifiers for test requests
- Data migration - assign new IDs during system migrations
- Batch processing - generate IDs for file uploads or imports
- Development - mock data generation for frontend/backend work
Format Options Explained
- UPPERCASE - converts to uppercase (e.g., 550E8400-E29B-41D4...)
- Remove Hyphens - removes dashes (e.g., 550e8400e29b41d4...)
- Add Braces - wraps in curly braces for GUID format ({550e8400-...})
- Add Quotes - wraps in quotes for SQL/JSON ("550e8400-...")
Frequently Asked Questions
What UUID versions are supported for bulk generation?
Our bulk generator supports UUID v4 (random) and UUID v7 (time-ordered). UUID v4 is the default and most commonly used. UUID v7 is better for database primary keys due to its time-ordered nature.
Can I download the generated UUIDs?
Yes, you can copy all UUIDs to clipboard or download them as a text file. The download feature is especially useful for generating large batches of UUIDs for database seeding or testing.
Are bulk generated UUIDs unique?
Yes, each UUID is generated using cryptographically secure random numbers. The probability of collision is astronomically low (1 in 5.3×10^36 for any two UUIDs). Even generating millions of UUIDs, duplicates are virtually impossible.