Text Diff Checker
Compare two blocks of text side-by-side. Changes are highlighted. Useful for debugging, writing, and code reviews.
What is a Text Diff Checker Tool?
A Text Diff Checker is an online tool that helps you find differences between two blocks of text. It visually highlights what’s been added or removed — making it easy to compare files, paragraphs, code snippets, or document versions. This tool is especially useful for developers, writers, editors, and students who need to review revisions or track content changes efficiently.
Why Use an Online Diff Checker?
- Code Review: Identify changes between two versions of code easily.
- Content Editing: Detect modifications between document drafts.
- Debugging: Compare log files, configuration changes, or JSON/XML data.
- Version Control: Preview differences before commits or merges.
Features of This Text Diff Tool
- Line-by-Line Comparison: Ideal for comparing multi-line files or paragraphs.
- Word-by-Word Comparison: Great for sentence-level or detailed diff checking.
- Side-by-Side View: Clearly view original text (A) and modified text (B) together.
- Privacy-Focused: Runs entirely in your browser — no data is sent to any server.
- Performance Optimized: Handles up to 10,000 characters per input efficiently.
How to Use the Text Diff Checker
- Paste or type your original text into the Text A box.
- Enter your updated or revised text into the Text B box.
- Select your preferred comparison mode: Line by Line or Word by Word.
- Click Compare to instantly view the highlighted differences.
- Added text is shown in green and removed text in red.
Frequently Asked Questions (FAQs)
1. What does this text comparison tool do?
It compares two text blocks and highlights the differences — showing what’s been added, removed, or modified. Perfect for analyzing code or written content.
2. Is my text stored or uploaded anywhere?
No. This tool is fully client-side. All processing happens in your browser — no data is sent or stored on any external server.
3. What’s the difference between line and word diff?
Line diff compares entire lines, which is useful for code or multi-paragraph text. Word diff compares at the word level for a more detailed view of smaller changes.
4. Can I use this for comparing JSON or HTML?
Yes. You can compare structured formats like JSON, XML, or HTML.