With this web app you can encrypt and decrypt files with
256 bit AES cipher
in GCM mode.
It works locally in your browser. No data is ever sent over the network.
The passphrase must have at least 16 characters.
Write it down or remember it, the file cannot be decrypted without it.
Click ENCRYPT (not ⏎) to continue.
Click SAVE FILE and wait for the file to be saved.
The file will be placed in your Download(s) folder
if you are not asked where to save it.
The file is local even if you are asked to “download” it.