SignedText Helper Extension

Make content authenticity verification easier directly in your browser. The SignedText Helper extension lets you verify signed blocks on websites with a single click.

How to use it?

After installing, make sure to pin the extension to the address bar so you can access it quickly. Verification is then launched by clicking the extension icon.

Keyboard shortcut:
For even faster work, you can use the Ctrl+Shift+S keyboard shortcut (or Command+Shift+S on Mac).

Icon in the address bar

Instant feedback

Once verification starts, the extension icon changes to signal the process is running. After completion, you’ll see the result directly next to the text on the page.

Icon during verification

Key benefits

  • Fast verification: The status is displayed immediately after clicking the icon or pressing the shortcut.
  • Convenient signing: No manual HTML copying — the extension does it for you.
  • Detailed information: By clicking the verification result, you can view details about the author and signature version.
  • Důvěryhodnost: You can be sure you’re reading exactly what the author signed.
Example of a verified signature

Details in one click

If you're curious about signature details, simply hover over or click the verification icon. The extension will show who signed the text and when.

Detailed signature information

Automatic source code insertion

When creating a new signature or verifying manually on our website, the extension saves you from manual copying. It automatically inserts the current source code of the page being signed directly into the form.

Want to give it a try?

Installation is easy and takes just a minute.

Go to install the extension