UUID Generator
Batch generate UUID v4 with one-click copy
Category
How to Use
- Set generation count (1-100)
- Select format: Standard/Dashed/No dashes/Uppercase
- Click "Generate" button, copy all at once
Examples
-
Generate UUID v4
Input:
Count: 3, Format: StandardOutput:
550e8400-e29b-41d4-a716-446655440000 ...
FAQ
- What is UUID v4?
- UUID v4 is a unique identifier based on random numbers with extremely low collision probability, widely used in distributed systems.
- Are the generated UUIDs truly random?
- Uses browser native crypto.getRandomValues() with cryptographic-level randomness.
Related tools
- Timestamp Converter
Convert between timestamps and date/time formats
- Regex Tester
Test and debug regular expressions in real time
- Hash Generator
Compute MD5, SHA1, SHA256 hash values
- GPU Stress Test
FurMark-like browser stress test powered by Three.js WebGPU with real-time stability metrics
- GPU Benchmark
Run a fixed WebGPU scene for 60 seconds and sum per-second FPS as the final score
- WebNN NPU Compute Measurement
Estimate effective NPU compute available to the browser by running a WebNN NPU-only matrix multiplication workload
- Local AI Model Runner
Upload an ONNX model or enter a model download URL, then run browser-local inference with WebNN NPU/GPU first
- QR Code Generator
Generate custom QR codes with advanced features like colors, logo, and batch generation