How to compare text

Compare two versions

Paste the original text on the left and the changed text on the right, or open UTF-8 text files. Select Find differences to display aligned results.

Read the changes

Removed text appears in red and added text in green. Character highlights identify edits within changed lines. Use the previous and next controls to move between changes.

Privacy and limits

Comparison runs in your browser. Text and file contents are not uploaded or saved by this tool. Each side supports up to 200,000 characters and 2,000 lines.