Text Diff Tool: Compare & Merge Text Differences
Instantly compare two blocks of text or code to spot changes, additions, and deletions. Our visual diff viewer highlights every modification line-by-line, making it perfect for code reviews, editing drafts, or checking version history.
Last updated: 2025-01-27
Left text
Position: 0 / 0 charsRight text
Position: 0 / 0 charsDiff
Run the diff to see what changed between the two texts.
Key Features
- Side-by-side text comparison
- Color-coded difference highlighting
- Line-by-line diff analysis
- Comprehensive change statistics
- Character count tracking
- No data sent to servers - complete privacy
- Free to use, no registration required
How to Use the Text Diff Tool
- Enter Original Text: Paste or type the original text in the left textarea.
- Enter Modified Text: Paste or type the modified text in the right textarea.
- Compute Diff: Click the "Compute diff" button to analyze the differences.
- Review Results: The diff results show side-by-side comparison with color coding and statistics.
Why Use This Text Diff Tool?
Tracking manual changes between two versions of a document is slow and error-prone. A "diff" tool automates this by algorithmically finding the "Longest Common Subsequence" to display exactly what changed.
Whether you are a developer resolving merge conflicts, a writer comparing drafts, or a legal professional checking contract revisions,Text Diff Tool gives you clarity. With color-coded lines (green for additions, red for removals) and offline processing, you can review sensitive documents privately and efficiently.
Frequently Asked Questions
What is a text diff?
A text diff (difference) shows the changes between two versions of text. It highlights what was added, removed, or modified, making it easy to see exactly what changed.
Is my text data secure?
Yes, absolutely. All text comparison happens entirely in your browser. Your data is never sent to any server, ensuring complete privacy and security.
What types of differences are shown?
The tool shows four types of changes: same (unchanged lines), changed (modified lines), added (new lines), and removed (deleted lines). Each type is color-coded for easy identification.
Can I compare code files?
Yes, the Text Diff Tool works great for comparing code files, configuration files, or any text-based content. It shows line-by-line differences with clear visual indicators.
Does it work offline?
Yes, this tool works completely offline. Once the page is loaded, you can compare texts without an internet connection.
What statistics are provided?
The tool provides comprehensive statistics including total lines, number of unchanged lines, changed lines, added lines, removed lines, and character counts for both versions.