Offline Utility Suite

Portable Windows toolkit for encrypted folder locking and SRT subtitle cleanup/editing.

Desktopfreeglobal

Offline Utility Suite is a free portable Windows toolkit with two tools: a Folder Locker that encrypts a folder into an authenticated AES-256-GCM container, and an SRT Subtitle De-duplicator that removes repeated lines and blocks from subtitle files. Both run fully offline with no account needed.

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