Generate custom font images for emails using Node.js, eliminating the need for graphic design software.
custom-fonts-in-emails is a Node.js library that programmatically generates images with custom fonts for use in HTML emails. It solves the problem of needing graphic design software to create styled text graphics for email campaigns by allowing developers to dynamically render text with any font directly in code.
Developers building email templates or campaigns who need to incorporate custom typography without manual design work, particularly those using Node.js-based email sending pipelines.
It eliminates the dependency on graphic design tools, automates the creation of retina-ready images, and integrates seamlessly with email sending libraries like nodemailer, saving significant time and effort in email production.
An extremely easy way to use custom fonts in emails without having to use art software.
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It eliminates the need for graphic design software by programmatically generating styled text images, saving significant time in email production workflows as highlighted in the README's comparison of old vs. new approaches.
Supports SVG, PNG, and Base64 inlined images with Retina scaling, allowing for high-quality, email-compatible graphics across devices, demonstrated in the examples section.
Uses fast-levenshtein for spell-checking and os-fonts for system-wide font access, simplifying font management by automatically detecting user, local, and node_modules fonts.
Designed to pair with nodemailer and nodemailer-base64-to-s3, making it easy to embed generated images into HTML emails within existing Node.js email pipelines.
The library is exclusive to Node.js, so it cannot be used in other server-side environments without complex workarounds, limiting its applicability in polyglot projects.
Dynamically generating images on-the-fly can be resource-intensive, especially for high-volume email campaigns, potentially affecting server performance without custom caching implementations.
Relies on multiple packages like sharp, text-to-svg, and os-fonts, which may introduce maintenance overhead, compatibility issues, or increased bundle size in deployments.
How to use custom fonts in emails is an open-source alternative to the following products: