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I want an application that will:

  1. Use pictures I've already taken of documents
  2. Remove the background
  3. Transform the image to be the right shape for a document
  4. Convert it to PDF

Preferably it should:

  • Run on Windows 10
  • Be FOSS

Essentially a desktop version of Google Drive Scan to PDF.

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  • For which desktop? What OS must it run on? And does your wish for open-source also imply free-of-charge? And it should basically do what unpaper does (those of us not using GDrive might be unaware of what the mentioned "Drive Scan" does – so we'll need your requirements listed explicitly, see How to ask for an alternative to some software)?
    – Izzy
    Commented Jul 27, 2022 at 7:27
  • You can check Adobe Lens (for mobile) to combine the process of take photo and convert it to pdf
    – Romeo Ninov
    Commented Jul 27, 2022 at 14:01
  • @Izzy Updated to address your comment. Unpaper looks like it might be close to what I need from reading their documentation, but it doesn't support JPG files. The drive scan reference is a summary of the ask.
    – Ian
    Commented Jul 27, 2022 at 16:15
  • Hm, maybe pipelining could work: imagetops takes an image and turns it into a postscript file, which could be converted to PDF using ps2pdf. Combined: imagetops image.jpg | ps2pdf - image.pdf (if unpaper accepts input from STDIN, replace image.pdf by another - and pipe that to unpaper). Not sure about the quality of that, though – so hopefully there are better options. Luckily, my scanner software directly creates PDF files which I then can process using pdfsandwich, which a.o. utilizes unpaper…
    – Izzy
    Commented Jul 27, 2022 at 20:09
  • Single JPG image to PDF converter, or batch?
    – convert
    Commented May 28, 2023 at 22:11

3 Answers 3

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I don't know what you mean by "remove the background" but I use File Converter for conversions. Works on image, video and audio files. I just checked .jpg and it converted to .pdf like expected. It can't crop the image, but that can be done easily in several native Windows apps.

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Try ilovepdf. It contains every tool you need to use PDFs, at your fingertips. All are 100% FREE and easy to use! Merge, split, compress, convert, rotate, unlock and watermark PDFs with just a few clicks.

However, if you're yet to take a snapshot of the documents, you can use google lens on your mobile phone to capture the texts. Then, save and transfer the file to your desktop and convert to pdf.

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I strongly believe the fastest way to complete all of your steps in one process is by putting the images into ABBYY Finereader PDF OCR -- 14 or 15. ABBYY 15 will do exactly what you want, in the order you asked for it, pretty much out of the box:

  1. receive any images you paste, drop, or load into the page intake, in the same way it takes documents
  2. automatically get to work eliminating non-content page backgrounds (by getting rid of all off-white, beige, tan, marbled, scanned bg image on pages, you get a massive size reduction, efficiency goes up)
  3. automatically transform images for a document. Detects double pages and splits them, deskews. You can set the option to either convert automatically to BW or keep colors.
  4. You can now save the transformed images immediately as PDF, or you can OCR it first, then save.
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