Text Diff Checker
DeveloperPaste two versions of a text or code and instantly see the lines that were added or removed, highlighted side by side. Nothing leaves your browser.
Opening your tool...
Loading the controls. You can start as soon as they appear.
About Text Diff Checker
Paste two versions of a text or code and instantly see the lines that were added or removed, highlighted side by side. Nothing leaves your browser. Open the tool in your browser and follow the controls above. Some tools use external services; see the privacy page before submitting sensitive input.
How to use Text Diff Checker
- 1Open the Text Diff Checker tool above.
- 2Enter or paste your input.
- 3Choose your options.
- 4Wait for processing to finish, check the result, then download or copy it if that option is available.
Frequently asked questions
Is Text Diff Checker free?
A free account includes two tries of Text Diff Checker. Pro removes the site's trial limit. See the pricing page for details.
Is Text Diff Checker safe and private?
Processing varies by tool. Many file utilities run on your device; AI and other server-backed features send input to external services. Read the privacy page before using sensitive information.
Do I need to install anything?
No. Text Diff Checker runs entirely online in your web browser, nothing to download or install.