Diff Checker

Compare two text files or code snippets to quickly spot the differences.

About Diff Checker

The Diff Checker tool allows you to compare two blocks of text or code to instantly visualize what has changed between them. It is an essential utility for developers reviewing code, writers comparing document revisions, and anyone who needs to find subtle differences in text files.

How to Use

  1. Original Text: Paste your older or reference text into the left pane.
  2. Modified Text: Paste the newer or changed text into the right pane.
  3. Compare: Click "Compare Text" to generate the output.
  4. Review: Additions are highlighted in green, and deletions are struck through in red.

Features & Privacy

  • Word-Level Diff: It compares changes word-by-word, not just line-by-line, giving you exact precision on modifications.
  • Client-Side Processing: Your text is never sent to a server. The comparison runs entirely locally in your web browser.

FAQ

Can I use this for code?

Absolutely. The monospaced font and word-level diffing makes it ideal for finding small typos or changes in code snippets.

Is there a size limit?

Since it runs in your browser, the limit depends on your device's memory. However, extremely large files (tens of thousands of lines) might take a few moments to process.