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Show HN: I turned my PDFs into audiobooks I can have conversations with

https://asktotle.com
3•simpnoza•1h ago
Hey HN,

TLDR: Upload any document, get an audiobook with synced highlighting you can pause and talk to.

I'm a self-taught dev (admittedly mediocre), currently between jobs and my brain is absolutely fried from social media. I can't read anymore. My eyes glaze over after two paragraphs.

So I went down a rabbit hole looking for scientifically proven ways to actually focus while reading:

- Encoding info visually AND aurally reduces mind wandering by up to 40% - Retrieval practice (asking questions) beats passive re-reading every time - Background music matched to content keeps you in flow

Couldn't find anything that did all this. So I built it myself:

- Synced text highlighting while you listen - Talk with your book; pause and ask "wait what does that mean?" and it knows exactly where you are (won't spoil what's ahead) - Adaptive background music that matches the mood of each page

I've removed all slop. No flashy features, no gamification etc. etc. Just reading on steroids for fried brains, like mine.

Processes books in under 2 minutes. Works as a PWA so you can install it on your phone.

The alternatives I have found are crazy expensive. Audible charges 15 bucks a month for a single book and you can't even use your own files. Others run 20-30 bucks a month and none of them let you talk to your book.

There's a free tier if you feel like giving it a try: 50 pages, all features included, no credit card required.

Would love your feedback,

Rob

Comments

Soerensen•1h ago
The "talk to your book" feature is genuinely clever - having the context window aware of where you are in the text prevents the usual "wait, you just spoiled the end" problem with most PDF chat tools.

Question: how are you handling the audiobook generation? Is it a single voice or does it switch voices for dialogue? The latter would be much harder to get right but could make fiction much more engaging.

Also curious about the business model - you mention Audible's pricing as a comparison, but they have licensing costs for actual audiobooks. Your tool seems more like a personal TTS+chat tool, which is a different value prop. Might be worth leaning into that distinction.

simpnoza•1h ago
Thanks! Yeah the spoiler-free context was important to me. Most PDF chat tools just dump the whole thing and ruin the experience.

Single voice for now, focused on natural pacing and clarity. Multi-voice for dialogue is on the roadmap but want to nail the core experience first.

Good call on the Audible distinction. You're right, different value prop. I brought it up because those were the alternatives I found when looking for a solution, and none let me use my own files AND talk to them. The real comparison is probably Speechify/ElevenReader but they're missing the interactive piece entirely.

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