Browser Storage Test
Check whether local storage is writable without sending data.
⌁Your device, your test.
Press Start to begin. Some tests will request browser permission.
No test started. Your device data stays in the browser.
INSTRUCTIONS / TEST
How to run this test
Run a tiny temporary local-storage read/write test; it removes the test value afterwards.
What this test cannot guarantee
Storage can be restricted in privacy mode or embedded browser contexts.
PRIVACY BY DESIGN · Tests run on your device. No microphone, camera or sensor data is uploaded to DeviceCheckup.