Compare Two Files
When you have two versions of a file and need to identify exactly what changed, this tool provides a clear side-by-side comparison. Upload any text-based files — code, config, CSV, log files — and instantly see every addition, deletion, and modification.
Open Diff Checker →How to Compare Two Files
- Open the Diff Checker tool on ToolPrime
- Upload the original file using the left upload button
- Upload the modified file using the right upload button
- The tool compares them and highlights all differences
- Navigate between changes using the arrow buttons
Common Use Cases
- Compare configuration files after a deployment change
- Identify differences between development and production configs
- Review changes in CSV data exports from different dates
- Compare log files from two different runs to find anomalies
Frequently Asked Questions
Which file types are supported?▾
Any text-based file works — .txt, .json, .xml, .csv, .js, .py, .sql, .html, .css, .md, log files, and more.
Are my files uploaded to a server?▾
No, files are read and compared entirely in your browser. Nothing is uploaded or stored anywhere.