Compare Two Files
Compare two UTF-8 text files and download a unified line diff.
Files stay on your device. Maximum 20 files and 2 MB combined; comparison accepts two files with up to 100,000 characters combined.
Choose your files to begin.
How to use Compare Two Files
- Choose supported local TXT files.
- Choose the available options and select Process files.
- Review the dimensions and output, then download the result if available.
What to expect
UTF-8 plain text only. Merge adds a newline between files; split normalizes line endings to LF. File order is shown before processing. Keep your originals.
Common questions
Does Compare Two Files send my input to a server?
No. Your browser reads and processes the files locally. Nothing is uploaded to a processing service.
What if the result is empty or an error appears?
Check the file format and selected options. Unsupported files and out-of-range settings display an explanation. Keep your original files.