Category

Code

Frameworks, generators, templates, and references for hand-coding and testing HTML, CSS, and AMP email markup across every major email client.

82 resources12 subcategories

Documentation, demos, and guides for building interactive AMP emails that work in Gmail.

Text editors and live-coding tools built or commonly used for writing email HTML.

Code editor made for creating responsive emails used by email developers.

Atom

application

A hackable text editor for the 21st Century built by GitHub.

Build your code from scratch, or make your code edits and test code changes in real time.

Parcel

service

Parcel is the email coding platform that streamlines your development workflow to help you rapidly code high-quality emails.

Sublime Text

application

A sophisticated text editor for code, markup and prose.

Curated collections of email code examples and references.

Completely free, professional Marketo Email Templates. Easily upload and customize to your needs. Fully responsive, tested in over 100 email clients.

Guides and simulators for handling dark mode rendering quirks across Outlook, Gmail, and Apple Mail.

Break down of which email clients offer Dark Mode, how each client’s Dark Mode settings impact your email designs, and what you can do to improve your emails for subscribers that read in Dark Mode.

Fixing Gmail’s dark mode issues with CSS Blend Modes discovered by Rémi Parmentier.

Learn how to code and optimize emails for dark mode and improve the user experience of your email marketing campaigns. Discover key techniques and tips to ensure your emails look great in dark mode, and reach a wider audience on various devices.

Markup languages and boilerplates, like MJML and Maizzle, that make responsive email coding easier.

A few simple, but solid patterns for responsive HTML emails. Even in Outlook and Gmail.

HEML

code

HEML is an open source markup language for building responsive email.

Inky

code

A templating language from Zurb Foundation that compiles simple HTML tags into complex, responsive email markup.

Build HTML emails with Tailwind CSS and advanced, email-specific post-processing.

MJML

code

MJML is a markup language designed to make responsive email easy.

Tools that generate bulletproof buttons, background images, tables, and other tricky email markup for you.

Create beautiful buttons for your Pardot emails, without VML. Simply select your button colors, fonts, font sizes, padding, etc and copy and paste the generated HTML into your Pardot email or Pardot email template.

Generate a flexible set of charts that you can send in your emails.

Create a bulletproof responsive email grid with tables that works in all major clients. Made by Julie Ng.

Repositories and write-ups documenting rendering bugs and the CSS hacks that fix them.

Email Bugs

repository

A repository for documenting bugs in webmails and email applications.

ESPs HTML bugs

repository

A repository for documenting ESPs HTML interpretation bugs and oddities.

Compatibility tables showing which HTML and CSS features each email client actually supports.

Support tables for HTML and CSS in emails.

Compatibility tables for CSS support in HTML emails.

Techniques and demos for building interactive email experiences with CSS and AMP.

Mark Robbins gives a walkthrough on the punched card coding technique for achieving complex interactivity in email.

Reusable, community-tested HTML and CSS snippets for common email layout problems.

A repository to hold all CSS resets from past and present email clients.

Email code resources website full of snippets and explanations by Mark Robbins.

Free, developer-ready HTML and AMP email templates you can adapt for your own campaigns.

1200+ Free & Professional Email Templates available for export to any platform.

Codedmails

templates

Save yourself the pain of coding HTML emails and use our tested, accessible and beautiful emails.

Completely free, professional Marketo Email Templates. Easily upload and customize to your needs. Fully responsive, tested in over 100 email clients.

Completely free, professional Pardot Email Templates. Easily upload and customize to your needs. Fully responsive, tested in over 100 email clients.

Converters, minifiers, and inliners for cleaning up and preparing email HTML before you send.

Transform every part of your HTML emails.

Detergent

utility

A tool to prepare text for pasting into HTML.

Email Comb

utility

Removes unused CSS from email templates.

This site browses the 4927 emails from Really Good Emails to count the use of certain HTML and CSS features.