Free Online Text Compare Tool

Compare two texts side by side and quickly find differences. This free text comparison tool highlights added and removed characters, words, spaces and line breaks so you can review changes without manually checking every line.

Enter text to compare
Enter text in both panels to compare.

How to compare two texts online

Use this online text diff tool to check a draft against a revised version, review edited content, or find small changes that are difficult to spot by reading two passages separately.

  1. Paste the first version into Text 1.
  2. Paste the revised version into Text 2.
  3. Review the highlighted differences in both panels.
  4. Use Previous and Next to move between difference groups.
  5. Enable the whitespace option to inspect spaces and line breaks.

What can this text comparison tool find?

  • Added text: characters or words present in Text 2 but not Text 1.
  • Removed text: characters or words present in Text 1 but not Text 2.
  • Word edits: changes within a word, such as adding the letter “s” to “comparison”.
  • Whitespace changes: differences involving spaces, tabs and line breaks when whitespace display is enabled.

When should you use a text diff tool?

A text comparison tool can help review document revisions, compare website copy, proofread articles, check edited emails, inspect code snippets and verify changes between two versions of plain text. Always review the highlighted changes in context before accepting important edits.

Frequently asked questions

Is this text compare tool free?

Yes. You can compare two text inputs using the tool without paying for the comparison feature.

How do I find a single changed character?

Paste both versions into the separate text panels. The tool highlights differences, including individual character additions and removals, and lets you navigate between difference groups.

Can I compare spaces and line breaks?

Yes. Select “Show spaces and line breaks” to display whitespace markers and help inspect formatting differences.

Does the tool change my original text?

The purpose of the tool is to show differences between the two inputs. Review the displayed text and highlights carefully, especially when comparing text containing complex formatting.