Solve ps open image error: Unable to complete request, unknown or invalid JPEG identifier type not found

Question #1

When opening an image file in Photoshop, sometimes the following error occurs:

Or prompt:

• Your request could not be completed because it is not a valid Photoshop document.
• Your request could not be completed because an unknown or invalid JPEG marker type was found.
• Your request could not be completed because the file format module cannot parse the file.
• This is not a valid Portable Document File (PDF) document. Unable to open it. 

It is caused by wrong file extension.

#2 Solution

2.1 First obtain the real file extension of the image file.

open this site

File extension name detection_no suffix file type detection_file mime type detection- StrErr.com

Select Image

Open pictures that ps cannot open

title

get file extension

The actual file suffix of the obtained image is .png

#3 Modify the image suffix name to .png

From the above detection, we can know that the suffix of the image file should be .png , so it needs to be modified

title

Revise

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The modified file can be opened successfully

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