Home / Shrink, protect, make searchable
Recognise the text in a scanned PDF and add it as an invisible layer, so you can search, select and copy it. The pages look exactly the same.
| Where files are processed | In your browser. The file is never uploaded. |
|---|---|
| How long files are kept | Nothing is kept on a server, because nothing is sent to one. |
| Free limits | No caps on files, pages or tasks. Your device's memory is the practical limit. |
| Account | None |
| Price | Free |
| Ads | None |
| Offline option | No app. Works in any current browser, on desktop and phone |
Compression, encryption and text recognition all run in your browser. Your file and your password are never sent to a server.
Recognition runs on your device with the open-source Tesseract engine, so it takes a few seconds per page. Straight, sharp scans at 300 dpi give the best results; a crooked phone photo will still work but with more mistakes.
No. The scan stays as it is. The recognised words are placed underneath, invisible, at the right positions.
The recognition engine and the language data, a few megabytes, are downloaded the first time. Your browser then keeps them.
Poorly. OCR is made for printed text. Neat block capitals sometimes work.
No. The recogniser is downloaded to your browser and the pages never leave your device.
PDF tools