File Comparison ToolCompare Files Side by Side Online
Compare Files Instantly
Free online file comparison tool - no signup required
File 1 (Original)
Drag and drop or click to upload
File 2 (Modified)
Drag and drop or click to upload
Key File Comparison Features
Intuitive Interface
Our compare files tool uses a clear, user-friendly design that makes it easy to see exactly what's changed between documents.
Multiple Comparison Modes
Choose from line-by-line, word-by-word, or character-by-character comparison to get exactly the level of detail you need.
Detailed Diff View
See additions, deletions, and modifications with color-coded highlighting that makes changes instantly obvious.
Export Comparison Results
Save or share your file comparison results for team collaboration or documentation purposes.
Code File Friendly
Specially optimized for comparing source code with features designed for programmers and developers.
Instant Processing
Our file comparison happens immediately in your browser - no waiting for server processing or uploads to complete.
When to Use File Comparison
Code Review: Easily spot changes between different versions of source code files
Content Editing: Track changes between document drafts or revisions
Configuration Check: Compare configuration files to identify modifications
Data Validation: Compare data exports to verify consistency or identify changes
Text Analysis: Analyze differences between text samples or versions
How to Use File Comparison
Upload First File
Upload the first file (original or base file).
Upload Second File
Upload the second file (modified or comparison file).
Select Mode
Select your preferred comparison mode (line, word, etc.).
Compare Files
Click 'Compare Files' to view the differences.
Review Results
Review the highlighted changes and download the report if needed.
Technical Information
Our file comparison tool uses advanced algorithms to efficiently identify differences between text files.
File Comparison FAQs
What types of files can I compare?
Our tool is primarily designed for text-based files like .txt, .csv, .json, .js, .ts, .html, .css, .xml, .md, and log files. It may not work well with binary files like images or PDFs.
How are the differences displayed?
Differences are highlighted side-by-side, with color-coding to indicate additions, deletions, and modifications, depending on the comparison mode chosen.
Is there a limit on file size for comparison?
Yes, each file should be under 5MB for optimal performance. Larger files might slow down the browser-based comparison process.
Can I compare code files with this tool?
Yes, the tool is suitable for comparing code files. It can help identify changes between different versions of source code.
Are my files kept private during comparison?
Absolutely. The file comparison process happens entirely within your browser. Your files are not uploaded to any server, ensuring your data remains confidential.