Analyze & compare

Compare Text and Find Differences

Find changes between two versions of a document, list, configuration, or code sample. Compare by line or word, optionally ignore letter case or whitespace differences, and view additions and removals in a highlighted result.

Focused workspace

Text Difference Checker

Recommended settings loaded
0 characters · 0 words
0 characters · 0 words
0 characters · 0 words
Tool settings

Before and after

Text Difference Checker Example

Input

Original:
Alpha
Beta

Changed:
Alpha
Gamma

Output

 Alpha
- Beta
+ Gamma

Three steps

How to use this tool

  1. Paste the original text in the first editor and the changed version in the second.
  2. Choose line or word comparison and optional ignore rules.
  3. Compare and review highlighted additions and removals.

Useful workflows

Common use cases

  • Compare document and configuration versions.
  • Check translated or edited text for changes.
  • Find differences between exported lists.

How it works

Fast text processing without an upload

The selected operations are applied in order by JavaScript running on this page. The input is not sent to the Go server and is not written to SQLite. The server provides the page, SEO content, and blog system; the browser performs the text transformation.

Questions

Text Difference Checker FAQ

Is this a plagiarism checker?

No. It compares only the two texts you provide.

How are large texts handled?

A browser-safe comparison limit prevents excessive memory usage; very large inputs use a simpler fallback.

Can whitespace changes be ignored?

Yes. Enable the whitespace option before comparing.