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Email could have been X.400 times better The physicists who convinced Fermilab to send Brazil's emails Better in-app previews Analytics 3.0 Subscriber ID variables Comments! Send latest premium action Automation filtering Free API subscribers Surveys in automations Reply to replies Labels for RSS feeds How Jeremy Singer-Vine curates curious datasets for readers 2023 (and what's next) Email vs web content Sort by engagement Better gift subscriptions How Andy Dehnart built a career reviewing television New email template Email-based automations Opt-in reply tracking Automatic alt text More social network integrations Sort by metadata Overlarge image warnings Automation tag actions Pause emails mid-flight Search tags and automations Gift via automations Subscriber-driving emails Programmatic webhooks Email page views Tag statistics Discord webhook formatting Automatic subscriber cleanup RSS subscriber count Weekly subscriber reports More list columns Customizable list views How Max Voltar turned a side gig into a trusted keyboard resource How Nick Disabato runs two newsletters from one design consultancy Made-for-you share images Automation improvements End-of-email surveys Filter by date Survey-triggered automations More automation functionality New webhooks How France Insider built a news service with paid subscribers Email as primary key How John Willshire unites two businesses in one newsletter Confirmation reminders Email churned subscribers Email-to-draft Subscriber metadata columns ChatGPT integration Faster web archives Referral program Better search results TikTok embeds Subscriber timeline Spotify embeds Improved RSS-to-email Subscribe page OG image New analytics page Google Tag Manager Even more subscriber types Integrating Duda with Buttondown Linktree integration guide Advanced and enterprise plans Framer integration guide API requests page Team collaboration In-email surveys Better CSS settings Better RSS automation fetching! Editor toolbar improvements Smart filters Faster emails page RSS automations Faster email analytics Zapier error codes Image accessibility checks Tags vs newsletters OG image picker Image editor improvements API bulk actions Improved OpenAPI spec Mastodon support Better subscriber filtering Better subscriber validation Hotkey support! Programmatic access to analytics Stronger bulk actions Faster archive page Custom canonical URLs Email slug and metadata Improved writing interface Generating a Typescript router in Django Filter emails by source
Custom buttons now work in Markdown mode
Mary · 2026-01-09 · via Buttondown's blog

A simpler format for custom buttons that works everywhere.

Mary

Mary

January 9, 2026

Custom buttons have been a Fancy Mode feature since we introduced them back in 2024. But what if you're a Markdown die-hard and still want those nice call-to-action buttons in your emails?

Good news: you can now use custom buttons in Markdown mode too. Just drop this into your email:

<buttondown-button href="https://example.com">Check it out</buttondown-button>

You can add alignment and custom colors too:

<buttondown-button href="https://example.com" align="left" color="#ff6b6b">Left aligned, coral</buttondown-button>

If you've already used custom buttons in Fancy Mode, nothing will look different—we're just tidying up the underlying format the next time you edit an email containing them.