FREE TOOL
Email annotation
Runs in your browser.
Paste email HTML, preview it at desktop and mobile width, and pin comments where it needs changes.
How to use the
Email annotation
Each step below matches what you see in the tool above.
Paste or upload the email
Paste the HTML from your email builder, or upload an .html or .eml file. It renders in your browser and is never uploaded.
Check desktop and mobile
Switch between an 800 px desktop width and a 375 px phone width. Remote images stay blocked until you load them.
Click to pin a comment
Click the spot that needs work and write the change. Pins are numbered and stay on the width you placed them at.
Download or copy
Download one HTML file with the email, the pins and the comments, or copy the numbered list into your ticket.
What people ask
before they use it
Short answers on how it works and what happens to your data.
No. The email renders and your comments are saved in this browser only. Clearing site data removes them.
Your email links to a landing page?
Pin feedback on the live page.
Free plan, no credit card. Reviewers never sign up.