TypoZap

Rewrite grammar and improve selected text locally with on-device AI, preview changes, then replace with one click.

Write clearly and confidently with TypoZap, an on-device grammar helper for Chrome. Highlight text in an email, document, form, or webpage, right-click, and select Rewrite with TypoZap. TypoZap uses a locally running language model to correct grammar, spelling, sentence structure, tone, and flow. Before changing anything, TypoZap displays the original and rewritten text in a preview panel. You can review the result, replace the original selection, copy the rewritten text, or close the panel without making changes. Features: On-device AI text rewriting Grammar and spelling correction Improved sentence structure, tone, and readability Original-versus-rewritten preview User-confirmed text replacement Copyable results for read only webpages Spark Engine and Surge Engine model options No accounts, API keys, advertisements, or analytics Selected text is not sent to a remote AI service Model files are downloaded once and stored locally by Chrome. Initial download size and processing speed depend on the selected model and your device.