Does speakeasy work with paid Substack posts?

Yes. If you're a paying subscriber, open the post in your browser (or use the 'View in browser' link from the email) and paste that URL into speakeasy. Your subscriber access lets speakeasy read the full content.

Can I subscribe to a Substack via RSS in speakeasy?

Absolutely. Most Substack publications have an RSS feed at yourpublication.substack.com/feed. Subscribe in speakeasy and new posts are automatically queued for audio conversion.

Some Substacks already have audio — why use speakeasy?

speakeasy gives you consistent, high-quality AI voices across all your Substacks, speed control up to 4x, offline access via iCloud, and a unified library. No more jumping between different apps and inconsistent audio quality.

Does it handle Substack's formatting well?

speakeasy is optimized for Substack's content structure. Headers, pull quotes, footnotes, and embedded tweets are all handled cleanly in the audio output.

Convert

Convert Substack to Audio

Every Substack writer, now in your ears.

Substack has become the home for the internet's best writers — from tech analysis to cultural commentary. But those 3,000-word deep dives demand dedicated reading time. speakeasy converts any Substack post into natural audio so you can listen to your favorite writers while doing anything else. speakeasy handles the entire conversion process automatically — from extracting the text content to generating natural-sounding audio with AI voices. Just paste a URL or share directly from your browser, and within seconds you'll have a high-quality audio version ready to play. Your converted content syncs through iCloud, so it's available on all your Apple devices whenever you're ready to listen.

How it works

Copy any Substack post URL

Paste it into speakeasy

Choose your preferred AI voice

Listen immediately or save to your library

How substack conversion works

Converting substack to audio with speakeasy is a three-step process that happens almost entirely in the background. First, speakeasy's extraction engine fetches and parses the content, intelligently stripping away navigation, ads, and irrelevant elements to isolate the actual text you want to hear.

Next, the text is sent to InWorld's neural TTS engine, which breaks it into natural segments and generates studio-quality speech with appropriate intonation, pauses, and emphasis. Finally, the audio is saved to your library and synced through iCloud. The whole process typically takes just seconds, even for long-form content.

Why listen to substack as audio?

The average person encounters more substack content than they can possibly read. Newsletters pile up, browser tabs multiply, and the reading backlog grows faster than you can clear it. Converting to audio breaks this cycle by letting you consume content during time that would otherwise go unused.

Your morning commute becomes a productive listening session. Your evening walk transforms into a chance to catch up on the day's best writing. Even household chores become opportunities to engage with ideas. speakeasy's natural voices make the experience feel less like a compromise and more like a genuine upgrade — many users report preferring the audio version of articles to reading them on a screen.

Getting the best audio quality

Not all text converts to audio equally well, and a few best practices will significantly improve your listening experience. Well-structured articles with clear paragraphs and headings produce the best results — which fortunately describes most professional blog posts, newsletters, and news articles.

For optimal results, choose a voice that matches the content's tone. speakeasy offers multiple voice options, from warm and conversational to crisp and professional. Pair this with the right playback speed — 1.0-1.2x for complex or nuanced content, 1.3-1.5x for news and straightforward articles — and you'll have a listening experience that rivals professional podcasts.

Building your audio library

The real power of converting substack to audio emerges over time as you build a personal listening library. Each converted article is saved with its original metadata — title, source, and publication info — making it easy to find and revisit content you've listened to before.

speakeasy's iCloud sync ensures your library is always up to date across iPhone and Mac. Queue articles throughout the day from your desktop browser, then listen during your commute from your phone. Over weeks and months, you'll accumulate a curated collection of the best substack content from across the web, all accessible in audio form whenever you need it.