Text & Code Compare (Diff)
Compare two texts or code side by side; see added/removed lines in color and code with syntax highlighting. Runs entirely in your browser.
Your files are processed on your device, never uploaded.
How to use
- 1Choose the content type: plain text or code.
- 2Paste the original and modified content into the two boxes.
- 3For code, pick a language (or leave Auto) and press “Compare”.
- 4Added lines are green, removed lines red; code is syntax-highlighted.
Frequently asked questions
Is my text or code sent anywhere?
No, the comparison and syntax highlighting run entirely in your browser.
Which programming languages are supported?
JavaScript, TypeScript, Python, HTML/XML, CSS, JSON, SQL, Java, C/C++, C#, Go, PHP, Ruby, Rust, YAML and more; it can also auto-detect the language.
Does it support non-Latin characters?
Yes, all Unicode characters including Turkish are supported.