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Show HN: LectureToBook – Turn Videos into a PDF/ePub

https://lecturetobook.com/
2•h02•7h ago
Lecturetobook takes a video presentation and turns it into an editable document, with photos, diagrams, etc. extracted from your slides.

I came up with this idea because I was enrolled in an online course and it was all videos. I spend all day long on the computer for work, so the last thing I want to do after work is spend more time staring at a screen. I wanted something that could take those videos and turn them into a readable format.

The most difficult part was detecting what frames in the video are slides, and extracting from those what is useful content to add to the document. I didn't want to just stick a screengrab of the slides in the text, I wanted it to read like an actual book, so it uses an AI model to take from the slides what is useful and ignores what is just repeated in the transcript.

Here is an output sample from an NIH video: https://lecturetobook.com/sample/sleep-book/book.html

Feedback welcome! This is my first side-project that has made it to launch.

WIE – A Windows x86_64 Emulator for Apple Silicon in Rust Using Cranelift

1•vlad_kalinkin•5m ago•0 comments

Study: Single-crystal nanowires of niobium arsenide may replace copper wires

https://news.cornell.edu/stories/2026/07/too-thin-fail-alternative-copper-microchip-interconnects
1•giuliomagnifico•7m ago•0 comments

I burned all my tokens researching how to save tokens

https://quesma.com/blog/custom-deep-research-pipeline/
5•bkotrys•13m ago•2 comments

Aha I don't want to lose you

https://blog.rybarix.com/2026/07/19/aha-not-lost.html
1•sandruso•18m ago•0 comments

Artificial cell with a full lifecycle has been created for the first time

https://www.theregister.com/science/2026/07/01/an-artificial-cell-with-a-full-lifecycle-has-been-...
1•GrinningFool•19m ago•1 comments

Show HN: We ranked our dev tools in Google's new AI Overviews

https://zlvox.com/blog/google-ai-overviews-2026-optimize-agentic-search
1•mraadikhokhar•22m ago•0 comments

A computer-assisted 23/33 and ε bound for the binary Goldbach exceptional set

https://goldbach-nine.vercel.app/
1•lorenzosch•26m ago•0 comments

Minecraft: Java Edition now uses SDL3

https://www.minecraft.net/en-us/article/minecraft-26-3-snapshot-4
1•ObviouslyFlamer•26m ago•0 comments

Know if a Rust rewrite is worth it (forkable business idea)

https://zozo123.github.io/rust-it-up/
1•zozo123-IB-IL2•28m ago•0 comments

Assembly Chat – Chat with Any .NET DLL

https://products.documentize.ai/assembly-chat
1•epirogov•31m ago•1 comments

Show HN: Textcaster – social networking where RSS is the protocol

https://textcaster.app
2•rmdes•31m ago•0 comments

Amdgpu performance regression in Kernel 7.0.0-28.28

https://discourse.ubuntu.com/t/amdgpu-performance-regression-in-kernel-7-0-0-28-28/85237
1•doener•36m ago•1 comments

Show HN: Marbles – a Korean marble game built with WebGL

https://plan9.kr/goosl/
2•sungchi•36m ago•0 comments

Thanks for Everything

https://github.com/helis-d/waylou
1•Emirhan123•37m ago•1 comments

Anti-AI protest reaches OpenAI HQ

https://www.msn.com/en-in/money/topstories/anti-ai-protest-reaches-openai-hq-why-protesters-left-...
4•nlpnerd•43m ago•1 comments

Mac app that offers the ability to add artificial mechanical keyboard sounds

https://apps.apple.com/us/app/funkey-mechanical-keyboard-app/id6469420677?mt=12
2•kratikanarad•45m ago•1 comments

PS5 Y2JB Autoloader:Automatically loads the kernel exploit and your elf payloads

https://github.com/itsPLK/ps5-y2jb-autoloader
1•wertyk•45m ago•0 comments

Show HN: WrumWrum – a multiplayer taxi game where you RAM rivals to steal fares

https://wrumwrum.mazurov.me/
2•untaken1583•51m ago•1 comments

The Dangers of Dimethylmercury (2019)

https://www.chemistryworld.com/opinion/the-dangers-of-dimethylmercury-/3010064.article
1•downbad_•53m ago•0 comments

Could AI Be Conscious?

https://www.theguardian.com/technology/2026/jul/19/could-ai-be-conscious
1•rwmj•57m ago•2 comments

Sonic Pi v5 Release Candidate 1

https://www.patreon.com/samaaron/posts/sonic-pi-v5-1-164093369
2•ABS•57m ago•0 comments

Show HN: Guys put QR codes on websites – offline QR decoder

https://devkram.de/these-guys-qr/
1•ulrischa•58m ago•0 comments

Thoughts of a US Factory owner competing with Chinese factories

https://www.youtube.com/watch?v=fqe39Dx-rQ0
2•lifeisstillgood•58m ago•1 comments

I joined the IndieWeb, here's what I learned

https://en.andros.dev/blog/0b8e451e/i-joined-the-indieweb-heres-what-i-learned/
4•andros•1h ago•1 comments

Show HN:MinIO-dash – MinIO admin panel after they removed the Console in 2025

https://github.com/MarceliRacis/minio-dash
2•marceliracis•1h ago•0 comments

Show HN: Akashic – A self-hosted intelligence workspace inspired by Palantir

https://github.com/CaviraOSS/Akashic
4•nullure•1h ago•0 comments

How to Watch the 2026 FIFA World Cup Finals: Spain vs. Argentina

https://www.wired.com/story/how-to-watch-the-fifa-2026-world-cup-07-19-2026/
2•joozio•1h ago•0 comments

I Make a Renaming Batch Software with a Pleasant Graphic

https://apps.microsoft.com/detail/9nl267vtkkmg?hl=en-US&gl=US
2•SolvyCode•1h ago•1 comments

Show HN: Regularly, hand-picked daily logic and number puzzles, no ads

https://regularly.co
3•deepakrb•1h ago•0 comments

AMD Ryzen 7 7700X3D Review: 3D V-Cache Gaming Performance for Less – HotHardware

https://hothardware.com/reviews/amd-ryzen-7-7700x3d-gaming-cpu-review
2•rbanffy•1h ago•0 comments