base64.exe: which program is it?
base64.exe is a program file that 2 Windows programs install, the best known being microsoft-coreutils. The list below names each one with its publisher and install folder.
| App | Publisher | Latest version | Default install folder |
|---|---|---|---|
| microsoft-coreutils | — | 2026.9.3 | — |
| base64 | — | 1.3.1 | — |
Frequently asked questions
Is base64.exe safe?
base64.exe is a normal part of microsoft-coreutils 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 base64.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 base64.exe?
Uninstall microsoft-coreutils through Settings → Apps or with winget; the uninstaller removes base64.exe with it. Deleting the file alone leaves the rest of the program behind.