Command-line tool

duplicity

brew/duplicity

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Bandwidth-efficient encrypted backup

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

pipx install duplicity

macOS

brew install duplicity
pipx install duplicity

Linux

brew install duplicity
pipx install duplicity

Back up a directory via FTPS to a remote machine, encrypting it with a password

FTP_PASSWORD=ftp_login_password PASSPHRASE=encryption_password duplicity path/to/source_directory ftps://user@hostname/path/to/target_directory/

Back up a directory to Amazon S3, doing a full backup every month

duplicity --full-if-older-than 1M s3://bucket_name/prefix

Delete versions older than 1 year from a backup stored on a WebDAV share

FTP_PASSWORD=webdav_login_password duplicity remove-older-than 1Y --force webdav://user@hostname:port/some_directory

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