No — the comparison runs entirely in your browser.

Does it compare line by line?

Yes — it highlights added and removed lines so changes are easy to spot.

Yes — it works for any plain text, including code and config files.

Is there a size limit?

No fixed limit; large texts are handled locally.

Diff Checker

Compare two texts and highlight every addition and removal.

100% private — runs in your browser, no upload

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Compare two blocks of text and see every addition and removal highlighted line by line — VuConvert diffs them in your browser, so the content is never uploaded. Useful for spotting changes between drafts, configs or code snippets.

How to diff checker

1.Paste the original text on one side.
2.Paste the changed text on the other.
3.Additions and removals are highlighted automatically.
4.Review the differences.

Frequently asked questions

Is my text uploaded?: No — the comparison runs entirely in your browser.
Does it compare line by line?: Yes — it highlights added and removed lines so changes are easy to spot.
Can I diff code?: Yes — it works for any plain text, including code and config files.
Is there a size limit?: No fixed limit; large texts are handled locally.