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Make PDF searchable. Use this PDF creator online to make PDF documents searchable. Create searchable PDF online & for free. Drop files or click here. Choose File. Start. 1 / 30 s. Credit consumption is determined by task duration, deducting Credits for every 30 seconds processed. Add sample file.
By making a scan searchable, an additional text layer is added to the scanned image, creating a so-called hybrid PDF. This text layer allows you to search for keywords, amounts and other numbers, names, or subjects inside the PDF.
Convert non-selectable PDF files into selectable and searchable PDF with high accuracy. Select PDF file. or drop PDF here. OCR your PDF to get text from scanned documents. Simply upload your PDF and recognize text automatically. Make your PDF searchable and selectable, for free.
Free OCR API, Online OCR and Searchable PDF (Sandwich PDF) Service. Try instantly, no registration required. Available as On-Premise OCR Software, too. The Cloud OCR API is a REST-based Web API to extract text from images and convert scans to searchable PDF.
In this example is the text layer defined as invisible, but can still be selected and searched upon. For this reason (two layers, one image, one text), a searchable PDF is sometimes also called sandwich PDF. How to make a Searchable PDF. Very easy: Just select one of the two create searchable PDF options on the front page. You can either choose ...
Try pdfsandwich.From the man-page: pdfsandwich generates "sandwich" OCR pdf files, i.e. pdf files which contain only images (no text) will be processed by optical character recognition (OCR) and the text will be added to each page invisibly "behind" the images.
Essentially, pdfsandwich is a wrapper script which calls the following binaries: unpaper (since version 0.0.9), convert, gs, hocr2pdf (for tesseract prior to version 3.03), and tesseract. It is known to run on Unix systems and has been tested on Linux and MacOS X. It supports parallel processing on multiprocessor systems.
