Substack to Kindle

Convert supported public Substack posts into Kindle-ready EPUB files.

Convert a Story
Paste the URL of any supported story to generate an EPUB, PDF, or Kindle-compatible EPUB fallback.

Metadata

Supported:AO3SquidgeWorldAd AstraRoyal RoadScribble HubHoneyfeedFimfictionProject GutenbergStandard EbooksOpen WebCommafulDeviantArtLiteroticaLushStoriesSexStoriesFFNFictionPressWattpadSmutLibStoriesOnline / Bellesa

Free visitors

5 proxied story fetches every rolling 7 days.

Unlimited plan

Unlimited usage for supported public stories, including EPUB, PDF, and Kindle-ready EPUB downloads.

Read Substack on Kindle

The simplest way to read a public Substack post on Kindle is to convert the post to EPUB and send that EPUB through Amazon Send to Kindle.

How to do it

  1. Copy the URL of a public Substack post.
  2. Paste it into Smut2epub.
  3. Choose EPUB or Kindle-ready EPUB.
  4. Download the file.
  5. Send the file to your Kindle using Amazon Send to Kindle or the Kindle app.

Best for

  • Reading long Substack essays on e-ink.
  • Keeping newsletters alongside books and documents.
  • Offline reading while traveling.
  • Reducing browser and email reading friction.

Important limits

  • Subscriber-only posts may not be available.
  • Amazon controls final Kindle ingestion and sync.
  • Do not redistribute converted Substack posts.

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