Text Difference Checker
Compare two pieces of text and instantly highlight the differences. Perfect for tracking changes in code, documents, and articles.
About Our Text Difference Checker
What is a Diff Tool?
A "diff" (short for difference) tool is a utility that takes two sets of data and presents the differences between them in a human-readable format. Our Text Difference Checker does exactly that: it analyzes two blocks of text, identifies which parts have been added, removed, or remain unchanged, and visually highlights these changes for easy review.
Privacy-Focused and Instant
This tool operates entirely within your browser. When you paste your text into the input fields, the comparison is performed locally on your machine. Your data is never sent to our servers, ensuring that your sensitive code, legal documents, or private notes remain completely confidential.
How It Works
- Paste Your Texts: Insert the original text into the left panel and the modified text into the right panel.
- View the Differences: The tool will automatically compare the texts and display the results below, highlighting added and removed lines.
- Analyze the Result: Green highlighted lines indicate additions, while red highlighted lines indicate removals. Unchanged lines have a neutral background.
Practical Use Cases
1. For Developers: Reviewing Code Changes
Before committing code or during a code review, you can quickly paste two versions of a file or function to see exactly what has changed. It's a fast way to spot bugs or verify modifications outside of your standard Git workflow.
2. For Writers & Editors: Tracking Revisions
Compare different drafts of an article, essay, or report to see what edits have been made. It's perfect for collaborating with others or simply reviewing your own revision history.
3. For Legal & Business: Comparing Documents
Quickly check for subtle changes between two versions of a contract, agreement, or any important document to ensure no unauthorized modifications have been made.
Frequently Asked Questions
Have questions? We have answers.