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forensics/basic-forensic-methodology/specific-software-file-type-tricks/png-tricks.md
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</details>
PNG files, in particular, are popular in CTF challenges, probably for their lossless compression suitable for hiding non-visual data in the image. PNG files can be dissected in Wireshark. To verify correcteness or attempt to repair corrupted PNGs you can use [pngcheck](http://libpng.org/pub/png/apps/pngcheck.html)
PNG files, in particular, are popular in CTF challenges, probably for their lossless compression suitable for hiding non-visual data in the image. PNG files can be dissected in Wireshark. To verify the correctness or attempt to repair corrupted PNGs you can use [pngcheck](http://libpng.org/pub/png/apps/pngcheck.html)
You can try to repair corrupted PNGs using online tools like: [https://online.officerecovery.com/pixrecovery/](https://online.officerecovery.com/pixrecovery/)
You can try to repair corrupted PNGs using online tools like [https://online.officerecovery.com/pixrecovery/](https://online.officerecovery.com/pixrecovery/)