Codemail.io lets you send beautiful, syntax-highlighted code snippets in your transactional or marketing emails — with zero formatting pain. Perfect for devs, SaaS, and anyone who writes code in their emails.

👋 Hey Product Hunt! I’m Mike, the maker of Codemail.io. If you’ve ever tried sending emails with code snippets — you know it’s a mess. ✅ No syntax highlighting ✅ Inconsistent styling ✅ Ugly blocks, bad on mobile ✅ And forget dark mode... So I built **Codemail.io**: A simple tool to send beautifully formatted, syntax-highlighted code in your emails — without the hassle. 🔧 Perfect for: - Dev-focused SaaS (API keys, instructions, onboarding) - Newsletters for developers - Transactional emails with code (auth, config, etc.) ✨ Features: - Syntax highlighting (light & dark themes) - Mobile-friendly rendering - Markdown + HTML output - Ready-to-use with any email provider (Resend, Postmark, etc.) 💝 **Special for Product Hunt**: 🎁 30 days free trial 💸 20% off for early adopters with code `PH20` We’d love your feedback, ideas, or just a thumbs up if this solves your pain too 🙌 Ask me anything — I’m here all day!

Congrats on the launch, Mike! Codemail.io addresses a real pain point for developers. Excited to see how it simplifies sending code in emails.

@jun_zhao3 Thanks a lot! 🙌
That pain hit me one too many times — ugly code blocks, no syntax highlighting, weird formatting…
Super glad Codemail resonates with you.

If you give it a try, I’d love to hear your feedback — I’m just getting started! 🚀

How is it different than instantly?

@charvibothra No formating and hilighting

Codemail.io

Send emails with perfectly formatted code snippets

Do you use Codemail.io?

Review Codemail.io?