PasteHTML lets you insert raw HTML directly into your Gmail™ compose window. Perfect for developers testing email templates, marketers sending one-off designed emails, or anyone who needs to send HTML emails from Gmail™ without fighting the rich text editor. How it works: Open a new compose window in Gmail™ Click the PasteHTML icon in the compose toolbar Paste your HTML into the text area Click "Insert HTML" Your HTML replaces the email body instantly, preserving inline styles and structure. Features: Insert any valid HTML into Gmail™ compose Inline styles are preserved — no formatting conflicts Completely free with no usage limits No account, API key, or sign-up required No data is collected, stored, or sent to external servers Works with personal Gmail™ and Google Workspace™ accounts Built by the team behind EmailBuilder.ai.