Drop pins, leave comments, and collaborate on HTML email designs in real-time. Like Figma, but for email review.
Emails
BLACK FRIDAY
BLACK FRIDAY
Comments
CTA button needs more contrast on mobile
Looks great! Ship it 🚀
Stop sharing screenshots in Slack. Start reviewing emails the way designers review designs.
01
Send your HTML email to your unique inbox address. It appears instantly in Fab.
02
Click anywhere on the desktop or mobile preview to leave contextual feedback.
03
See your team's cursors, reply to threads, and react with emoji. Ship faster.
Drop Figma-style pins on desktop & mobile previews
See who's reviewing alongside you in real-time
Overlay the Figma frame on your build with a reveal slider — spot every drift
AI compares your email to the design and pins every copy mismatch and broken link
Every email gets an A–F grade for design and content accuracy, right on the card
Render your email across real inboxes and browse the screenshots without leaving Fab
Share a single email with clients or stakeholders — no login, view-only
Keep conversations organized with nested threads and emoji reactions
Forward emails to your unique inbox — they appear instantly
Start free. Upgrade when you need more.
Join teams who've replaced messy email threads and screenshot chaos with contextual, real-time feedback.
Get started for free