Text Diff

Online tool for line-by-line comparison of two text versions: contracts, articles, configs, or documents.

Обработка выполняется локально в браузере. Данные не отправляются на сервер.

For this tool, processing runs locally in your browser and data is not sent to the server.

Text Diff is a free online tool for comparing two text versions line by line and showing added, removed, and changed lines. It is useful for contracts, articles, briefs, configuration files, lists, documents, and pre-publication review. Processing runs locally in your browser and data is not sent to the server.

What it does

Output

Processing

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Data passed between tools is kept only in the current browser session.

How to use

Paste the original version into the "Text A" field.
Paste the changed version into the "Text B" field.
If needed, enable ignoring case, trimmed line spaces, or empty lines.
Review the diff summary and line-by-line changes, then copy the comparison result.

More about this tool

This tool compares two text versions line by line and shows which lines were added, removed, or changed. It is useful for reviewing edits in contracts, articles, briefs, configuration files, lists, documents, and texts before publication. Comparison runs locally in your browser, and the result can be copied in diff format.

Runs in the browser
Data is not sent to the server
Compares two texts line by line
Shows added and removed lines
Includes a diff summary
Can ignore case, spaces, and empty lines
Useful for contracts, articles, briefs, lists, and configs
No registration required

Frequently Asked Questions

How does text comparison work?

The tool compares two text versions line by line and shows which lines match, were removed, were added, or differ.

What do plus and minus signs mean in the result?

Lines with a "-" sign exist in the original text but not in the changed version. Lines with a "+" sign appeared in the changed version.

Can I compare a contract or technical brief?

Yes. The tool is suitable for comparing contracts, briefs, articles, descriptions, lists, and configuration files when the text can be pasted into the input fields.

Can I ignore spaces and empty lines?

Yes. In settings you can enable ignoring trimmed line spaces, empty lines, and letter case.

How is this different from Compare Text?

This tool shows a line-by-line diff with added and removed lines. Compare Text is better suited for a general summary of length, characters, and basic differences.

Can I copy the comparison result?

Yes. The result can be copied in text diff format with plus and minus signs before changed lines.

Is my data sent to the server?

No. Both texts are compared locally in your browser and are not sent to the server.

Do I need to register?

No. The tool works immediately and does not require registration.

More about this tool

Runs in the browser
Data is not sent to the server
Compares two texts line by line
Shows added and removed lines
Includes a diff summary
Can ignore case, spaces, and empty lines
Useful for contracts, articles, briefs, lists, and configs
No registration required

Frequently Asked Questions

How does text comparison work?

The tool compares two text versions line by line and shows which lines match, were removed, were added, or differ.

What do plus and minus signs mean in the result?

Lines with a "-" sign exist in the original text but not in the changed version. Lines with a "+" sign appeared in the changed version.

Can I compare a contract or technical brief?

Yes. The tool is suitable for comparing contracts, briefs, articles, descriptions, lists, and configuration files when the text can be pasted into the input fields.

Can I ignore spaces and empty lines?

Yes. In settings you can enable ignoring trimmed line spaces, empty lines, and letter case.

How is this different from Compare Text?

This tool shows a line-by-line diff with added and removed lines. Compare Text is better suited for a general summary of length, characters, and basic differences.

Can I copy the comparison result?

Yes. The result can be copied in text diff format with plus and minus signs before changed lines.

Is my data sent to the server?

No. Both texts are compared locally in your browser and are not sent to the server.

Do I need to register?

No. The tool works immediately and does not require registration.