Your files stay on your device

Clipboard write test

Check that copying to the clipboard works in this browser.
write test only · read is deliberately absent. The site-wide privacy contract forbids itCopy the test string

nutter-tools clipboard write test; safe to paste anywhere

Write support varies: Chromium grants it for user gestures, Firefox exposes the API but gates read, and older engines lack navigator.clipboard entirely; the unsupported state is named, never faked.

A clipboard READ test would show whatever you last copied, passwords included. This site's privacy contract forbids any tool from reading your clipboard, so this page deliberately offers no read action; the permission state is still visible on the permissions viewer.

- The write test copies a fixed harmless string through the site's copy service on your click. What lands in your clipboard is exactly that string; nothing of yours is read, kept, or sent.
- A clipboard READ test would show whatever you last copied, passwords included. This site's privacy contract forbids any tool from reading your clipboard, so this page deliberately offers no read action; the permission state is still visible on the permissions viewer.
- Write support varies: Chromium grants it for user gestures, Firefox exposes the API but gates read, and older engines lack navigator.clipboard entirely; the unsupported state is named, never faked.
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More device tests

- Notification test (/device/notifications)
All device tests (/device)

Canonical HTML: https://nutter.tools/device/clipboard/
Markdown version: https://nutter.tools/device/clipboard/index.md
Plain-text version: https://nutter.tools/device/clipboard/index.txt
Agent index: https://nutter.tools/llms.txt