If you paste too much or too little, you will destroy the file. Only do this if you have a backup.
To fix a problem, you must understand its cause. A JPG file isn't just a picture; it is a complex sequence of headers, segments (markers), and compressed data streams. Corruption occurs when this sequence is disrupted. repair jpg files
This guide covers the best manual fixes and specialized tools to restore your damaged images. If you paste too much or too little,
If the corruption is due to bad sectors on your hard drive or SD card, running the CHKDSK command in the Windows Command Prompt can repair the underlying file system issues. repair jpg files