Mail HTML Injector

Insert, edit and preview custom HTML in the Gmail compose window. Templates included. 100% local, no tracking.

Mail HTML Injector adds a simple "</>" button to the Gmail compose toolbar so you can insert, edit and preview custom HTML right inside your email — perfect for newsletters, signatures and rich mailings. FEATURES • "</>" button in the compose toolbar — works in popup, full-screen and inline reply compose windows. • HTML editor with a side-by-side code pane and a live, sanitized preview. • Bidirectional editing — the editor loads the current HTML of your email so you can tweak what's already there, not just paste new co • Two insertion modes — "Insert at cursor" or "Replace body". • Template library — save your HTML delete it. Stored locally on yourdevice. • Enable/disable toggle in the exten PRIVACY FIRST • 100% local. No tracking, no analytics, no external requests, no remote code. • Your templates are stored only on ocal) and are never uploaded orsynced. • HTML is cleaned with the DOMPurifyripts, iframes, inline event handlersand javascript: URLs are stripped, while the <style> blocks and inline CSS that HTML email relies on are kept intact. PERMISSIONS • storage — to save your HTML templates locally. • access to mail.google.com — to addil. Nothing else. Gmail and Google are trademarks of Gan independent project and is notaffiliated with, endorsed by, or sponsored by Google.