download ExtractJPEG 2.4

Author: Garry Hausfeld
Date: 02/10/2020 08:50 AM
Size: 1.48 MB+
License: Freeware
Requires: Win 10 / 8 / 7 / Vista
Downloads: 2249 times

ExtractJPEG allows JPEG image extraction from database or document files even if you do not know the way the images are stored.

ExtractJPEG was designed merely to look for properly formatted JPEG file headers, and then extract any subsequent data as part of the JPEG image. This search works well, provided that the images are stored in JPEG format and each image is stored as a complete record.

In some database formats, there is a fixed size database record or a maximum size limit on database records. In this example, large images might be broken up into many separate records, each containing part of the JPEG file. ExtractJPEG can still deal with this type of scenario, provided that all the records associated with the image are stored consecutively in the database file. There can be other data, such as database record header information, between each segment of an image. ExtractJPEG will handle this as and put the image segments back together, removing the gap data between segments, provided that the user is capable of entering a “segment size” and “gap size.” The “segment size” is the total number of bytes in each segment, and the “gap size” is the number of unwanted bytes included at the end of each segment.

It is possible, however, that the individual records making up a stored image are not located consecutively within the database file. In this case, ExtractJPEG may only be able to extract partial or corrupted image data.

ExtractJPEG will attempt to extract valid image data only; it cannot find the original filename of the stored JPEG images. The image files output by this process will all have a user-defined output file name, but each will have a unique image number before the .jpg extension. ExtractJPEG program only looks for JPEG format images; it will not find any other image type. Also, the JPEG images must not be re-compressed in any way.

ExtractJPEGInstall2_4-win32

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