Terms of Use

Last updated: September 12, 2026

These terms describe the intended use of Delete Duplicate Lines Online and its related text tools.

Using the tools

You may use the tools to process text you are entitled to use. Do not use the website to violate applicable law, interfere with its operation, or attempt unauthorized access to its hosting systems.

Your text and results

You retain any rights you have in your input and output. The tools do not claim ownership of your content. You are responsible for checking the result before relying on it, sharing it, or replacing an original file. Keep a separate copy of important source material.

Scope and limitations

The tools work on physical text lines. They do not validate the meaning of your data or parse complex CSV records. Case, whitespace, and sorting options can change which lines match or the shape of your result. Device capabilities and browser support affect performance.

Availability

The website is provided on an as-available basis, without a promise of uninterrupted access or error-free results. Features and limits may change. Nothing in these terms is intended to exclude rights or protections that cannot be excluded under applicable law.

Privacy

See the Privacy Policy for the tool’s local processing behavior and notes on hosting and optional services.

Updates

The owner may revise these terms to reflect changes in the website or its operation. The date above identifies this version.