Storage Speed Test Tool
This test measures your device’s read/write performance using browser‑based storage simulation.
Idle. Ready to run the test.
Test Progress
What This Tool Does
This tool measures your device’s read and write performance using browser‑based storage simulation.
Runs in Your Browser
This test runs directly in your browser — no downloads or installs required.
Quick Start
- Close heavy apps for best results.
- Click Start Storage Test.
- Wait for the test to complete.
- Review your read/write speeds and latency.
How to Use This Tool
- The tool simulates:
- Sequential write operations
- Sequential read operations
- Latency checks
- Results include:
- Write speed (MB/s)
- Read speed (MB/s)
- Latency (ms)
- Performance tier
What the Results Mean
- High Performance — Fast SSD or NVMe‑level speeds.
- Medium Performance — Older SSD or fast HDD.
- Low Performance — Slow HDD, USB drive, SD card, or thermal throttling.
Troubleshooting
- Slow speeds
- Check drive health
- Close background apps
- Ensure enough free space
- Test won’t start
- Disable script‑blocking extensions
- Try another browser
Tips & Notes
- Browser‑based tests are approximate — real speeds may be higher.
- Use this as a quick health check.
- For exact speeds, use OS‑level tools.
Related Tools
- CPU Benchmark Tool
- GPU Benchmark Tool
- RAM Diagnostic Tool
- Device Health Scan Tool
FAQ
Is this as accurate as CrystalDiskMark?
No — this is a browser‑level approximation.
Can this detect a failing drive?
It can show symptoms like slow speeds or high latency.
Does this test damage my drive?
No — it uses safe, temporary memory buffers.