Original CSS
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Changed CSS
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CSS Diff Tool
Compare CSS stylesheets securely. Highlight changes in selectors, properties, and values. This tool helps frontend developers maintain clean styles.
About the CSS Diff Checker
Manual code reviews can be tedious and prone to human error. A single missing character or indentation error in CSS can break an entire application. That is why using a dedicated diff checker is essential for modern development.
Diff Guru's CSS Code Compare tool is engineered to help you diff code accurately. Unlike standard text comparison tools, our engine understands CSS syntax. It visualizes structure, keywords, and logic changes with distinct colors, allowing you to compare code files confidently and merge changes without conflicts.
How to Compare CSS Code
1
Paste CSS Code
Copy your original code snippet into the left panel and your modified version into the right panel to prepare for the code compare.
2
Run Diff Checker
Click the "Compare CSS" button. Our engine will instantly diff code to identify additions, deletions, and modifications.
3
Analyze & Merge
Review the syntax-highlighted changes. Use the merge tool to combine the best parts of both versions into one final file.
Why Choose This CSS Diff Tool?
Syntax Awareness
We don't just diff text; we diff code. Enjoy native CSS coloring for better readability.
Secure Client-Side Processing
When you compare code here, it stays on your machine. We strictly adhere to privacy, so your proprietary logic is safe.
Instant Performance
No upload times. Our diff checker runs in your browser memory for immediate feedback.
Frequently Asked Questions
Yes, Diff Guru is a completely free diff checker. You can compare CSS code files as often as you like without any hidden costs or subscription fees.
Absolutely. We use client-side processing, which means your code never leaves your browser. It is not uploaded to our servers, making this the most secure way to diff code online.
Yes! Unlike basic text comparison tools, our tool recognizes CSS syntax. It highlights keywords, comments, strings, and operators to make reading the code diff much easier.
Yes. When you compare code and find differences, you can use the merge arrows to move code from the original file to the changed file, allowing you to construct a final version easily.