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OCR PDF

Turn a scanned PDF into a searchable one. You also get the text to copy or save as a .txt file. Bangla, English and 25 more languages.

or drag and drop PDFs here

PDF documents

Your files stay on your device

  1. 1Add files
  2. 2Adjust
  3. 3Download

How it works

  1. 1Choose a scanned PDF.
  2. 2Pick the language of the text, and the reading detail. Optionally limit the pages.
  3. 3Select Make searchable. The first time, the language data downloads once and is kept by your browser.
  4. 4Download the searchable PDF, and copy or save the text if you need it.

What the options do

Language
The language of the text on the pages. It is set to the language of this page when we support it.
Also recognise English
Adds English to the main language, for pages that mix in English words or numbers.
Improve contrast
Turns the page to gray and stretches the contrast before reading. It helps faint or yellowed scans.
Reading detail
Fast reads pages at 150 dpi, Standard at 220 dpi, Detailed at 300 dpi. Higher is slower and usually reads small or complex scripts such as Bangla better.
Apply to
All pages, odd or even pages, or a list like 2-5. Pages you skip are left as they are.

Privacy

This tool runs in your browser. Your files are never uploaded to a server.

Questions people ask

Is my PDF uploaded?

No. Every page is drawn and read inside your browser. Only the language data, a file of a few megabytes with no personal information, is downloaded once from a public software repository and then kept in your browser.

What is a searchable PDF?

It looks exactly like your scan, but an invisible layer of text sits on top of each page. You can then search for words, select and copy text, and screen readers can read it.

Is the original page kept?

Yes, for normal pages. The text layer is added on top of your original page, so quality and file size stay close to the original. Pages that were turned with a rotation setting are rebuilt as pictures.

How accurate is it for Bangla?

Clean, printed Bangla at 220 dpi or higher reads well, with the occasional wrong conjunct or matra. Handwriting, decorative fonts and poor scans give weak results. Search may miss words that were read wrongly, so check important documents.

How long does it take?

A few seconds per page for English and more for Bangla, depending on your device. Large PDFs are better done in parts with the page option.

Can it fix a PDF that already has text?

It will read the pages again and add a new text layer on top. If your PDF already has real text, use PDF to text instead.

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