Code Diff Checker Online – AI-Powered Code Comparison Tool
Compare code files side-by-side with AI-powered analysis. Supports HTML, CSS, JavaScript, Python, Java, C++, PHP, Go, and 20+ programming languages. Uses the Myers diff algorithm for precise line-by-line code comparison.
Original Code
Characters: 0Lines: 1
Modified Code
Characters: 0Lines: 1
Supported Programming Languages
HTML
CSS
JavaScript
TypeScript
Python
Java
C
C++
C#
PHP
Go
Ruby
Rust
Swift
Kotlin
Scala
R
MATLAB
Shell
SQL
XML
YAML
JSON
Markdown
Why Use Our Code Diff Checker
Professional code comparison tool with AI-powered insights for developers
Precise Code Comparison
Based on Myers diff algorithm, providing line-by-line accurate code difference analysis for all programming languages
AI-Powered Analysis
Integrated AI model provides intelligent analysis of code changes, helping you understand the impact and significance
Multi-Language Support
Supports 20+ programming languages including HTML, CSS, JavaScript, Python, Java, C++, PHP, Go, and more
Frequently Asked Questions
Get answers to common questions about code comparison