
Some advanced repair applications like Stellar JPEG Repair can even repair unreadable JPG images with a corrupt header, invalid file structure, corrupt JPG data, missing SOS marker, and unknown or invalid JPG marker etc. This software can easily repair JPG/JPEG images that turn distorted, blurred, or pixelated.

If the JPG file is corrupt or broken, an efficient way to repair it is through a third-party software. Download the photo again from the source and then access it. Sometimes when the image file is not completely downloaded, errors or corruptions can occur in JPG files. Rename the image file, save and try to view it again. If the JPG file opens fine, then your file might not be corrupt. Open the corrupt image file in Paint on your system. Save the image with the new name and try to access it again. One of the simplest way to repair corrupt JPG files is to rename it without changing the file extension (.jpg). You can convert JPG files to PSD using any of free online file converter tools

Often the inaccessible JPG files can open correctly in different file formats. You can recover corrupt or broken JPG files from your backup folder present in an external drive or cloud storage. At the time of data loss, backup is your best bet.
