Text Diff Checker
An online tool to compare two texts and highlight differences with color coding.
How to Use the Text Diff Checker
Paste or type the original text in the left panel and the modified text in the right panel. Click "Compare" to see the differences highlighted: added lines in green, removed lines in red, and modified lines with inline highlighting. This tool is useful for comparing code changes, document revisions, configuration files, and any text where you need to identify differences.
About Text Diff Comparison
Text diff (difference) comparison is a technique for identifying changes between two versions of text. It is widely used in software development for code review, version control, and debugging. The algorithm identifies the minimum set of changes needed to transform one text into another, showing additions, deletions, and modifications. Understanding diffs is essential for working with version control systems like Git.
Frequently Asked Questions (FAQ)
Q. What diff algorithm is used?
A. The tool uses a line-by-line comparison algorithm that identifies added, removed, and modified lines, with inline character-level highlighting for modified lines.
Q. Can it compare large files?
A. Yes, it can handle reasonably large texts. All processing is done in the browser, so performance depends on your device.
Q. Is my input data safe?
A. All processing is completed within your browser. Input data is never sent to any server.