How are added and deleted text differences displayed?

Added text and new code lines are highlighted in Green (+), while deleted or replaced original sections are highlighted in Red (-).

How does the Similarity Percentage score work?

It calculates the Levenshtein and longest common subsequence (LCS) ratio between the two inputs to display a live similarity percentage from 0% to 100%.

Text & Code Comparison Engine

Text Diff & Similarity Checker

Compare two text documents or source code files side-by-side to highlight additions, deletions, and plagiarism percentages.

100%

Similarity Score

0 Changes

Total Differences

Identical

Comparison Status

Original Text / Code (Before)

Modified Text / Code (After)

Ignore Case (A vs a) Ignore Extra Spaces & Tabs

Frequently Asked Questions

Can this tool compare programming source code (JavaScript, Python, C++)?

Yes! The monospace code renderer faithfully preserves indentation, semicolons, brackets, and linebreaks, making it an ideal Git diff checker.

How does the plagiarism similarity score evaluate text duplication?

It calculates identical matching tokens and calculates the percentage of shared content between the two input articles.