Is my text sent to your servers?

No. All text processing for this tool happens entirely in your browser. Your data never leaves your device.

Is this tool free to use?

Yes, this tool is completely free to use with no signup required.

Does it work on mobile?

Yes, this tool is fully responsive and works on desktop, tablet, and mobile browsers.

Text Diff Tool

Original Text (Left)

Modified Text (Right)

Difference View

(Click "Compare" to see differences)

What is a Text Diff Tool?

A text diff tool compares two versions of text and highlights the differences between them. This is invaluable when you need to see exactly what changed between two documents, code versions, or text files. The tool shows additions in green, deletions in red, making it easy to spot every modification at a glance.

When to Use a Text Comparison Tool

Text diff tools serve many practical purposes across different industries. Writers use them to track changes between document revisions. Developers compare code files to see exactly what changed in a new version. Legal professionals compare contract drafts to identify all modifications. Content editors review article changes before publishing.

Code Review - Compare source code files to understand what changed between versions
Document Revision - Track changes in articles, essays, or technical documentation
Contract Comparison - Identify every modification in legal document drafts
Translation Work - Compare source and translated text for consistency

Word-Level vs Line-Level Diff

Our text diff tool operates at the word level for text content, meaning it can identify exactly which words changed within a line, not just which lines were added or removed. This makes it particularly useful for comparing prose, marketing copy, or any content where sentence structure matters more than line breaks.

How to Interpret the Results

Green highlighted text represents content that was added. Red highlighted text with strikethrough represents content that was removed. The statistics bar shows exactly how many words were added, removed, or remain unchanged, giving you a quick summary before diving into the details.

FAQ

Is there a limit on text size?For best performance, we recommend comparing texts under 50,000 characters each. Very large texts may take longer to process.

Is my text stored on your servers?No. All text comparison happens entirely in your browser. Your text is never sent to any server.

What's the difference between this and "Remove Line Breaks"?Remove Line Breaks merges multi-line text into single lines. This Text Diff tool compares two texts and highlights every difference between them.

Can I compare code files?Yes, this tool works with any text content including code. However, for very large code files, dedicated code diff tools in your IDE may offer more features like merge冲突 resolution.