Sends a drawing from your Marsam archive to your Substack as a draft. Nothing is ever published without you.
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Version
0.1.1
updated 7 Oct 2026
About Marsam — Substack helper
Marsam builds and permanently maintains an archive website for a cartoonist's complete body of work. This helper connects that archive to Substack.
When you add a cartoon to your Marsam archive, the extension sends it to your Substack publication as a draft — the drawing, your caption, and a link back to that cartoon's page in your archive, laid out and ready.
It creates a draft and never publishes. A Substack post is an email to every subscriber and it cannot be unsent, so the final press always stays with you. You review the draft in Substack's own editor and publish it yourself, or don't.
HOW IT WORKS
- Add a cartoon in the Marsam portal
- Choose Substack and pick your publication
- The draft opens in your Substack editor, ready to review
PRIVACY
The extension stores nothing and sends nothing to Marsam. It talks only to Substack, from your own browser, using the session you are already signed in with. Your Substack login is never read, copied or transmitted, and Marsam's servers are not in the path.
Requires a Marsam archive and a Substack publication you can write for.