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Show HN: YouTube Thumbnail Downloader – HD Thumbnails for Shorts and Videos

https://www.aithumbnail.so/tools/youtube-thumbnail-downloader

1•sachou•5h ago

I built a free tool to download YouTube thumbnails in HD no ads, no signup, just paste a link and download.

It works for Shorts, long-form videos, and playlists.

I made it for my own YouTube workflow to include in aithumbnail.so

looking for any feedback!

No New Categories (2020)

https://www.gkogan.co/category-creation/

1•gk1•2m ago•0 comments

What Modern Construction Can Learn from Roman Concrete

https://www.360onhistory.com/science/what-modern-construction-can-learn-from-roman-concrete/

1•pseudolus•4m ago•0 comments

Neanderthals operated prehistoric "fat factory" 125k years ago in Germany

https://archaeologymag.com/2025/07/neanderthals-operated-fat-factory-125000-years-ago/

1•bookofjoe•4m ago•0 comments

VirtualBox Source Code

https://github.com/VirtualBox/virtualbox

1•brunojppb•7m ago•0 comments

Ebics API Client – Easily connect to European banks via EBICS (with live demo)

https://sites.google.com/view/ebics-api-client

1•andrew-svirin•8m ago•0 comments

GitHub CEO says the 'smartest' companies will hire more devs as AI develops

https://medium.com/@kt149/github-ceo-says-the-smartest-companies-will-hire-more-software-engineers-not-less-as-ai-develops-17d157bdd992

2•gpi•8m ago•0 comments

Notes on Even and Odd Functions

https://eli.thegreenplace.net/2025/notes-on-even-and-odd-functions/

1•ingve•11m ago•0 comments

Show HN: Flux0 – Open framework for streaming, multi-agent, LLM agnostic

https://github.com/flux0-ai/flux0

1•flux0•12m ago•0 comments

Review: School

https://www.astralcodexten.com/p/your-review-school

1•feross•14m ago•0 comments

My app charted on the App Store, and that sucked

https://hiblog.pages.dev

1•isntThatSth•14m ago•0 comments

Serving 200M requests per day with a CGI-bin

https://jacob.gold/posts/serving-200-million-requests-with-cgi-bin/

3•feep•15m ago•0 comments

How Many Agents Does it Take to Beat PyTorch? (surprisingly not that much)

https://letters.lossfunk.com/p/how-many-agents-does-it-take-to-beat

2•voidz7•17m ago•0 comments

The Utility of Futility

https://parallelprogrammer.substack.com/p/the-utility-of-futility

1•delifue•17m ago•0 comments

All-time classic conference talk: Wat

https://www.destroyallsoftware.com/talks/wat

1•rmoff•17m ago•0 comments

Mimicking the Benefits of Exercise with Betaine

https://medicalxpress.com/news/2025-07-mimicking-benefits-molecule.html

1•clumsysmurf•18m ago•0 comments

Online Piracy's Great Comeback [video]

https://www.youtube.com/watch?v=OwuXF1AyKak

1•dp-hackernews•19m ago•0 comments

The details of Jane Street's alleged 'sinister scheme' in India

https://www.ft.com/content/41c4789a-afa6-462c-a6ea-9704c2ba78a7

3•gopkarthik•24m ago•1 comments

If AI ran Apollo 13 rescue mission, the crew would have died

https://shipvalue.substack.com/p/if-ai-ran-apollo-13-rescue-mission

3•juricake•25m ago•1 comments

I hit 6 figures with 6 years of experience

https://shipvalue.substack.com/p/how-i-hit-6-figures-with-6-years

2•juricake•26m ago•2 comments

Social climbing isn't about who you know after all, study finds

https://www.theguardian.com/society/2025/jun/20/social-climbing-stanford-university-research

2•PaulHoule•27m ago•0 comments

JavaScript is being rewritten in Rust

https://endform.dev/blog/js-is-being-rewritten-in-rust/

2•ostenbom•28m ago•1 comments

Using Jujutsu (jj) to teach a course

https://diskuv.com/blog/2025-07-03-teaching-with-jujutsu/

1•beckford•28m ago•0 comments

DIY Color E-Ink Calendar with a Raspberry Pi [video]

https://www.youtube.com/watch?v=58QWxoFvtJY

2•victorbjorklund•28m ago•0 comments

Personal AI Morning Brief – Your Gmail, Shopify, Jira as a Podcast

https://www.questmate.com/templates/ai-catch-up

1•cedel2k1•29m ago•1 comments

Bolt Drops Unlimited PTO

https://www.sfgate.com/tech/article/bolt-reverses-workweek-unlimited-pto-20421595.php

1•fcpguru•30m ago•0 comments

Pledge() in OpenBSD: A Deep Dive into Self-Imposed Sandboxes

https://mateorfz.ir/posts/pledge-in-open-bsd

1•mateo-rfz•33m ago•1 comments

Neanderthals had a "fat factory" 125,000 years ago – much earlier than thought

https://popular-archaeology.com/article/neanderthals-had-a-fat-factory-for-processing-bone-grease-125000-years-ago-much-earlier-than-thought/

2•janandonly•33m ago•0 comments

Apple looked into building its own AWS competitor

https://9to5mac.com/2025/07/03/report-apple-looked-into-building-its-own-aws-competitor/

3•belter•33m ago•2 comments

The Earth4All scenarios: human wellbeing on a finite planet towards 2100

https://www.cambridge.org/core/journals/global-sustainability/article/earth4all-scenarios-human-wellbeing-on-a-finite-planet-towards-2100/72AA234348FD84005D03365524560288

2•geox•33m ago•0 comments

Death by a Thousand Cut Corners

https://newsfromuncibal.substack.com/p/death-by-a-thousand-cut-corners

1•Analemma_•35m ago•0 comments