File Content Extraction 26.1
Filter SDK C++ Programming Guide

# Extract Images

You can use the File Extraction API to extract images within a file.

If you use this feature, images within the file behave in the same way as any other subfile. Extracted images have the name `image[X].[Y]`, where `[X]` is an integer, and `[Y]` is the extension. The format of the image is the same as the format in which it is stored in the document.

NOTE: Turning on `ExtractImages` can reduce the speed of the filtering operation.

To extract images

- In the C++ API, call the method `extract_images` on your session configuration, for example:

      session.config().extract_images(true);

- In `formats.ini`, set the following parameter. (This is an alternative approach - you do not need to do this if you have configured this feature through the API).

      [Options]
      ExtractImages=TRUE

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: Extract Images