MailForm Builder
Extension Actions
Build reusable, email-safe fillable tables and insert them into Gmail compose.
MailForm Builder lets you create professional email forms and insert them directly into your Gmail compose window — no coding required.
🛠️ Drag-and-Drop Form Builder Build forms visually with 14+ field types organized into categories: text fields, data inputs, choice selectors, and layout elements. Arrange fields into multi-column rows with flexible layouts (100%, 50/50, 33/33/33).
📧 One-Click Gmail Insert Insert your form directly into a Gmail compose window at your cursor position. The generated HTML is email-safe and renders perfectly across all email clients.
📋 Starter & Custom Templates Get started instantly with built-in templates for Client Intake, Contact Info, Appointment Requests, and Quote Requests. Save your own templates for reuse and mark favorites for quick access.
🎨 Theme Support Choose from multiple built-in themes to match your brand — Default, Warm, Ocean, Forest, and more. Each theme controls fonts, colors, and borders for a polished, consistent look.
🌙 Light & Dark Mode Full dark mode support for comfortable use at any time of day. Automatically follows your system preference or set it manually.
⭐ Favorite Templates Star your most-used templates — both starter and custom — for instant access. Filter by favorites to find what you need fast.
📤 Import & Export Export any template as JSON and share it with your team. Import templates from files to keep your workflow consistent across devices.
🔁 Undo / Redo Full undo and redo history (up to 40 steps) so you can experiment freely without losing your work.
📑 Version History Every save creates a version snapshot. Browse and restore previous versions of any template at any time.
✨ Key Features:
14+ field types: Short Text, Long Text, Email, Phone, Date, Number, Currency, Dropdown, Radio, Checkbox, Yes/No, Signature, Section Title, Divider, Static Text
Multi-column row layouts
Real-time email preview
Copy HTML to clipboard
Collapsible field palette
Category filtering and search
Sample JSON download
Works entirely offline — no account needed
Privacy First MailForm Builder stores all data locally on your device. No data is sent to any server. No account required. No tracking.