How to edit Safari form values?

~/Library/Safari/Form Values is a plist file, but it's encrypted with AES-128. The encryption key is stored in the System Keychain as Safari Forms AutoFill.

You can decrypt this file with the decryption tool found here:

  • http://encase-forensic-blog.guidancesoftware.com/2013/06/safari-form-values-decryptor.html
  • Decrypt Safari's Form Values file