Mailer Checklist - Chrome Web Store
Item media 1 screenshot


Building HTML mailers? This extension will show you how good the quality of your code is.

This little extension will: - check your syntax - make sure your tables have widths and try to determine if the values are correct - highlight attributes that are best avoided - score your performance (try to get 100 points) If you want it to work on local files, make sure to go to Tools > Extensions (chrome://settings/extensions) and check the “Allow access to file URLs” box. The code is also available at:

5 out of 53 ratings

Google doesn't verify reviews. Learn more about results and reviews.

Review's profile picture

A Chrome Web Store userMar 2, 2012

An absolute essential if you're building mailers - passing it on to everyone I know!

1 out of 2 found this helpful


  • Version
  • Updated
    March 13, 2023
  • Offered by
  • Size
  • Languages
    English (UK)
  • Developer
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.


The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes


Google apps