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Image Forensics Tool Tells You if an Image Was Photoshopped

Have you ever wondered if an image was altered with Photoshop? This tool can show you whether an image is Photoshopped through error level analysis.

You’ll need to have a JPEG image that’s available on the web, put in the URL to the image, and hit process. The system will analyze the image and show you the before and after—the areas that have a lot of color and noise were probably Photoshopped.

Image Forensics : Error Level Analysis [via Tested]

Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on if you'd like.

  • Published 10/5/10

Comments (3)

  1. Cha-Chi

    Pretty bad tool. I had seen tools like this in the passed, just not so web user friendly. I thought it was cool… till I looked up an image I had put up with absolutely no Photoshop done to it. It lit up like a Christmas tree too.

  2. Miguel

    Many digital cameras do some image manipulation before saving the final jpeg file. This could account for the results obtained with a “non-photosopped” image.

  3. Cha-Chi

    After making the post, I assumed the same thing. Some post picture rendering done with the digital camera.

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