Diff Checker
Compare two texts line by line and highlight what was added and removed. Free and private: runs in your browser.
Paste the original text, a line with ===, then the changed text. Options let you ignore whitespace and case.
Runs entirely in your browser. Nothing you paste is uploaded or stored.
Use cases
- Answer a quick question without leaving the browser.
- Debug web and API behaviour faster.
- Share a precise result with a teammate.
Frequently asked questions
Is my text uploaded to compare it?
No. The comparison runs in your browser, so it is safe for config files and internal documents.
Is the Diff Checker free?
Yes. It is free with no sign-up, and it runs entirely in your browser, so your input is never uploaded or stored.
Do I need an account?
No. The tool is free, needs no sign-up and runs in your browser.
Related tools
Checking one snippet is a start. Scan your whole repository for free with CodeInspector.