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UUID Generator
Create secure version 4 UUIDs individually or in a batch.
Developer Generators workspaceGeneration and hashing stay in your browser. HTTPS is required for secure cryptography.
Privacy-focused processingBrowser processing is used wherever practical.
25-minute cleanup policyServer files, when required, are removed after completion—not during active work.
Text, pasted data or supported local filesMaximum size and exact support are shown inside the tool.
About This Tool
Generate RFC-style version 4 UUIDs with browser cryptographic randomness.
How to Use
- Select how many UUIDs to create.
- Click Generate UUIDs.
- Copy or download the results.
Tool Features
- Secure random UUID v4
- 1 to 100 at a time
- Copy and TXT download
- Browser-only processing
Common Use Cases
Complete repetitive formatting or calculation tasks.
Prepare clean output for websites and documents.
Inspect and verify your result before downloading.
Supported Input and Output
Text, pasted data or supported local files
- Check the tool workspace for its exact file-size limit.
- Browser format support can vary by device and browser version.
- Always review the generated result before important use.
Frequently Asked Questions
Is the UUID always unique?
UUID v4 collision probability is extremely small, but mathematical uniqueness is not guaranteed.
Security and Privacy Information
Supported processing runs inside your browser whenever practical.
When server processing is required, cleanup starts only after the work completes.
Avoid uploading confidential data unless you understand the displayed processing notice.