Browser tests for reaction time, click speed, spacebar, aim, typing, and working memory — plus originals like Split Test.
No account. Scores live in local storage on your device. Nothing is uploaded. Close the tab and your history is still there.
Built for people who want the number without a signup wall.
Most free PDF sites upload the file and ask you to trust a deletion policy.
imissfiles runs in the tab. There is no upload endpoint. Open DevTools → Network, drop a file in, and you can watch that nothing the size of your document leaves.
Good at: extract the original JPEGs out of a PDF (not a page screenshot), photo of a table → Excel, merge/compress/unlock, HEIC → JPG, scan to PDF.
Not Acrobat. Not layout-perfect PDF-to-Word. No account.
