Filen

AeroFTP connects to Filen's end-to-end encrypted cloud storage. All file contents and metadata are encrypted client-side with AES-256 before upload. Filen provides 10 GB of free storage.

Connection Settings

FieldValueNotes
EmailYour Filen account email
PasswordYour Filen passwordUsed to derive the encryption master key
2FA CodeTOTP code (if enabled)6-digit authenticator code

2FA Support

If your Filen account has two-factor authentication enabled, AeroFTP shows a conditional 2FA code field. The TOTP code is sent with the login request. If 2FA is not enabled, AeroFTP sends the default placeholder value XXXXXX as required by Filen's API.

Features

  • End-to-End Encryption: File contents are encrypted with AES-256 on your device. File metadata (names, paths) is also encrypted. Filen has zero knowledge of your data.
  • Client-Side Key Derivation: Your password is used locally to derive encryption keys. It is never sent to Filen's servers.
  • Streaming Encryption: Files are encrypted and decrypted on the fly during transfers.

Tips

  • Filen's 10 GB free tier includes E2E encryption -- most competitors charge for client-side encryption.
  • Filen does not expose a trash or versioning API. Deleted files cannot be recovered through AeroFTP.
  • Because all file metadata is encrypted, directory listings require decrypting each entry's metadata. This can be slower than non-encrypted providers for large directories.
  • For AeroSync with Filen, use the size compare mode since encrypted timestamps may differ from local file times.