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Show HN: I built an AI tool that generates YouTube thumbnails in seconds

https://www.youtubethumbnailgenerator.app/
1•samuelaidoo45•2h ago
Hi HN

I’m Samuel, a solo builder. As the year wraps up, I’m shipping my last SaaS of the year — YouTube Thumbnail Generator.

It’s a simple AI tool that helps creators generate click-worthy YouTube thumbnails without needing design skills or Photoshop. You describe your video (or upload an image), and it generates your thumbnail style you can iterate on quickly.

I built this after noticing how much time creators spend designing thumbnails instead of creating content.

Would love feedback from the community — especially around UX, pricing, and what features would actually move CTR.

https://www.youtubethumbnailgenerator.app/

Thanks for checking it out!

The Year in Search

https://glitchads.ai/the-year-in-search/
1•vinnyglennon•26s ago•0 comments

Altered brain tissue microstructure in long Covid&recovered Covid-19 individuals

https://www.sciencedirect.com/science/article/pii/S2666354625002005
1•bookofjoe•1m ago•0 comments

Harvard Principles and Practices of Engineering Artificially Intelligent Systems

https://github.com/harvard-edge/cs249r_book
1•Terretta•1m ago•0 comments

Billionaire Superyacht Showdown: Who's in St. Barts for New Year's Eve

https://www.forbes.com/sites/jimdobson/2025/12/16/inside-the-billionaire-superyacht-rush-whos-cru...
1•DustinEchoes•2m ago•0 comments

AI in 2026

https://gusarich.com/blog/ai-in-2026/
1•Gusarich•2m ago•0 comments

The importance of free software to science

https://lwn.net/Articles/1023299/
1•leephillips•2m ago•0 comments

Xi Jinping Vows to Reunify China and Taiwan in New Year's Eve Speech

https://www.theguardian.com/world/2025/dec/31/xi-jinping-vows-reunification-china-taiwan-new-year...
2•belter•4m ago•1 comments

Show HN: 50% cheaper crypto data. Now in Python

https://github.com/qoery-com/qoery-py
1•SamTinnerholm•5m ago•0 comments

Show HN: Pixel Kit – Official Release

https://pixel-kit.vercel.app/login
1•ivanglpz•6m ago•0 comments

Exposing LLM-Generated Logical Flaws in Reasoning via Automated Theorem Proving

https://arxiv.org/abs/2512.23511
1•StatsAreFun•7m ago•0 comments

GenAI may create a socioeconomic tipping point through labour displacement

https://www.nature.com/articles/s41598-025-08498-x
2•dandelionv1bes•9m ago•0 comments

HK's newest anti-scam technology: over-the-counter banking

https://www.theregister.com/2025/12/31/hong_kong_antiscam_money_safe/
1•amaccuish•9m ago•0 comments

Book Review: The Math Academy Way

https://ijfen.substack.com/p/book-review-the-math-academy-way
1•henrik_w•10m ago•0 comments

Flops? musée des Arts et Métiers

https://www.arts-et-metiers.net/musee/flops
1•based2•14m ago•0 comments

Russia's disinformation campaign about Bulgaria's transition to the euro

https://unn.ua/en/news/russia-launched-a-disinformation-campaign-regarding-bulgarias-transition-t...
1•janandonly•16m ago•0 comments

India overtakes Japan as 4th-largest economy, report says

https://www.dw.com/en/india-overtakes-japan-as-4th-largest-economy-report-says/a-75341063
2•eatonphil•19m ago•0 comments

A simple neck scan could detect men at high risk of heart failure

https://medicalxpress.com/news/2025-11-simple-neck-scan-men-high.html
1•PaulHoule•20m ago•1 comments

France targets Australia-style social media ban for children next year

https://www.theguardian.com/world/2025/dec/31/france-plans-social-media-ban-for-under-15s-from-se...
2•belter•20m ago•1 comments

Reflections on 2025

https://samuelalbanie.substack.com/p/reflections-on-2025
1•mrry•21m ago•0 comments

Bayesian Geometry of Transformer Attention

https://arxiv.org/abs/2512.22471
1•brandonb•23m ago•0 comments

Multimodal Search with SigLIP and RRF

https://mixpeek.com/blog/visual-search-rrf
1•Beefin•23m ago•0 comments

My trucks sinusoidal, slowly decreasing gas mileage over the past ~7.5 years

https://old.reddit.com/r/dataisbeautiful/comments/1pynvwq/oc_my_trucks_sinusoidal_slowly_decreasi...
2•voisin•25m ago•0 comments

Ask HN: How to transition into AI career with limited opportunities?

1•mattfrommars•25m ago•0 comments

Deterministic AI

https://powerfulpython.com/blog/deterministic-ai/
1•redsymbol•25m ago•0 comments

Why Are These Sea Urchins Sporting Cowboy and Viking Hats?

https://www.newsweek.com/sea-urchin-hats-saltwater-aquarium-cowboy-viking-top-hat-3d-printing-150...
1•rbanffy•25m ago•0 comments

Show HN: Running Analytics on 22 GB of Hacker News in SQLite

https://philippdubach.com/standalone/hackerbook-stats/
1•7777777phil•26m ago•0 comments

Narwhals: Unified DataFrame Functions for Pandas, Polars, and PySpark – CodeCut

https://codecut.ai/unified-dataframe-functions-pandas-polars-pyspark/
2•rbanffy•29m ago•0 comments

The Inner Workings of Python Dataclasses Explained

https://jacobpadilla.com/articles/python-dataclass-internals
1•rbanffy•29m ago•0 comments

I'm in Charge at This Hertz Location, and Buddy, You're Not Getting a Car Today

https://www.mcsweeneys.net/articles/im-in-charge-at-this-hertz-location-and-buddy-youre-not-getti...
2•JumpCrisscross•30m ago•1 comments

Genuary 2026: 31 daily creative coding prompts

https://genuary.art/prompts
1•tripzilch•34m ago•1 comments