01 / Fast steps
- Paste the original text.
- Paste the changed text.
- Review the highlighted comparison, updated as you type.
Text Diff Checker
Paste an original and a changed text to instantly see which words and lines were added, removed or left unchanged.
Updates instantly as you type
02 / Best for
- Comparing two versions of a contract or document.
- Spotting what changed between two exports of data.
- Reviewing edits to a piece of writing or a config file.
03 / Keep in mind
- Limited to 2000 lines per side for performance.
Tool connections
Related tools
faq
Questions, answered.
01Does this compare word by word?
Yes. When a line is edited rather than fully replaced, the tool highlights only the specific words that changed, alongside full added and removed lines.
02Is there a size limit?
Yes, each text is limited to 2000 lines to keep the comparison fast in your browser.
03Is Text Diff Checker free to use?
Yes, Text Diff Checker is completely free, with no sign-up and no usage limits. It runs entirely in your browser, so your data never leaves your device.