Advanced Code Diff Checker
Compare code files with advanced algorithms, syntax highlighting, and powerful navigation tools
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Drag & Drop Files Here
Drop 1-2 code files to compare, or click to select files manually
Supported: .js, .ts, .py, .java, .cpp, .cs, .php, .rb, .go, .rs, .html, .css, .json, .xml, .sql, .yml, .md, .txt
Original Code
PLAINTEXTPaste your original code here or upload a file...
1 lines0 characters0 words
Tabindent
Ctrl+Aselect all
Modified Code
PLAINTEXTPaste your modified code here or upload a file...
1 lines0 characters0 words
Tabindent
Ctrl+Aselect all
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Ready to compare code?
Upload files, paste code, or load a sample to get started with the most advanced diff checker
Professional Developer Tools
Built with the same attention to detail as industry-standard development tools
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Advanced Diff Algorithms
Myers (Git-standard), character-level, and word-level comparison algorithms for precise analysis
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Syntax Highlighting
Support for 19+ programming languages with intelligent auto-detection and highlighting
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Multiple View Modes
Side-by-side, unified, and inline diff viewing options with responsive design
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Keyboard Shortcuts
Professional hotkeys for comparison, navigation, and export operations
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Export & Share
Export to HTML, text, JSON, or Markdown. Generate shareable URLs for collaboration
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Theme Support
Light, dark, and system theme options with persistent preferences
Fast, reliable, and built for developers