Text Compare

Quickly detect additions, deletions, and edits between two blocks of text or code.

Original Text

Changed Text

How to Use the Text Compare Tool

  1. Input Text: Paste your original text into the left pane and the modified text into the right pane. Alternatively, click the file icon to upload `.txt`, `.csv`, `.md`, or code files directly.
  2. Select Mode: Choose to compare by Line (best for code), Word (best for articles/essays), or Character.
  3. Adjust Settings: Use the checkboxes to ignore uppercase/lowercase differences or to ignore formatting whitespace.
  4. Review Changes: The results will appear instantly below. Green indicates added text, while red indicates removed text. You can toggle between Split view (side-by-side) and Inline view.

Who Can Benefit from This Tool?

Why Choose Our Free Diff Checker?

Frequently Asked Questions

No, all text comparison happens entirely locally in your web browser. Your text data is never uploaded, saved, or transmitted to any external servers.

Yes! The Text Compare tool is excellent for comparing code. You can paste snippets directly or click the file upload icon to load code files into the panes.

When enabled, the tool will ignore spaces, tabs, and indentation differences when comparing the text. This is useful for checking code where the formatting may have changed but the logic hasn't.

Yes, once the page is fully loaded, the Text Compare tool functions 100% offline, making it perfect for working securely while traveling or without internet access.

Line mode compares text row by row (best for code). Word mode compares text word by word (best for essays). Character mode compares every single letter and symbol (best for spotting tiny typos).

Yes, you can paste or upload CSV, JSON, or any structured text data to instantly see missing values, added rows, or modified keys.

Since the comparison happens locally in your browser, it depends on your device's memory. We recommend comparing files under 5MB for the smoothest experience.