Compare Texts
Paste your original text on the left and the modified text on the right to see the differences.
How to Use
- Paste or type your original text in the "Old Text" field
- Paste or type the modified version in the "New Text" field
- The differences are highlighted automatically: green for additions, red for deletions
- Use the options to ignore case, whitespace, or trim lines for more flexible comparison
- Switch between Line, Word, and Unified views to see differences in different formats
- Click "Copy Diff" to copy the diff output to your clipboard
Features
Line-by-Line Comparison
Compare texts line by line with clear line numbers showing which lines were added, removed, or unchanged.
Word-Level Diff
See exactly which words changed within the text, perfect for proofreading and document review.
Ignore Options
Ignore case sensitivity, whitespace differences, or trim lines to focus on meaningful changes.
Statistics
See at a glance how many lines were added, deleted, or remained unchanged between versions.
Common Use Cases
- Code Review: Compare different versions of code to identify changes
- Document Editing: Track changes between document drafts
- Proofreading: Spot differences between original and edited text
- Configuration Files: Compare config files to find discrepancies
- Data Validation: Verify that data transformations are correct
- Contract Review: Identify changes between contract versions
Frequently Asked Questions
What is Text Diff Tool?
Compare two texts and highlight the differences It highlights additions in green and deletions in red, making it easy to spot what changed between two versions of text.
What's the difference between Line and Word view?
Line view compares texts line by line, showing entire lines as added, removed, or unchanged. Word view compares at the word level, highlighting specific words that changed within lines. Word view is useful for seeing exactly what changed within a paragraph.
What does "Ignore whitespace" do?
When "Ignore whitespace" is enabled, the tool treats multiple spaces, tabs, and other whitespace as equivalent. This is useful when comparing code or text where formatting might differ but the content is the same.
Is this tool free to use?
Yes! All tools on ToolsKeeper are completely free to use with no limitations or sign-up required.
Is my data secure?
Absolutely. All processing happens directly in your browser. Your data never leaves your device or gets sent to any server.