Check with Lenz

Verify anything you read on the web. Select text, click the bookmarklet, and Lenz opens with the claim pre-filled to research and score.

The bookmarklet lives in a desktop browser's bookmarks bar — open this page on your computer to set it up. On your phone, just head to lenz.io/verify and paste the claim.

Drag this button to your bookmarks bar:

Check with Lenz

Click won't work — you need to drag it!

How it works

Select any text on a webpage — a headline, a tweet, a comment, anything that sounds like a claim.

Click "Check with Lenz" in your bookmarks bar.

Get your verdict. Lenz opens with the claim pre-filled, ready to research and score it.

Works everywhere

Chrome, Firefox, Safari, Edge, Brave, Arc — any browser with a bookmarks bar.