cjpeg.exe: which program is it?
cjpeg.exe is a program file that 3 Windows programs install, the best known being libjpeg-turbo SDK for GCC. The list below names each one with its publisher and install folder.
| App | Publisher | Latest version | Default install folder |
|---|---|---|---|
 libjpeg-turbo SDK for GCC | libjpeg-turbo | 3.2.0 | — |
 libjpeg-turbo SDK for Visual C++ | libjpeg-turbo | 3.2.0 | — |
| mozjpeg | — | 4.1.5 | — |
Frequently asked questions
Is cjpeg.exe safe?
cjpeg.exe is a normal part of libjpeg-turbo SDK for GCC when it sits in the program's install folder and carries the publisher's digital signature. A file with the same name in another folder can be something else: check its signature and hash.
Where is cjpeg.exe located?
In the program's install folder, which the installer chooses; winget puts portable programs under %LOCALAPPDATA%\Microsoft\WinGet\Packages.
How do I remove cjpeg.exe?
Uninstall libjpeg-turbo SDK for GCC through Settings → Apps or with winget; the uninstaller removes cjpeg.exe with it. Deleting the file alone leaves the rest of the program behind.