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Show HN: NanaVis – Upload one image, describe the change

https://nanavis.com/
1•qqxufo•1h ago
I often need a tiny edit to a single image and don’t want a full editor. So I built a tool that does exactly one thing: upload one image → type one instruction → get the edited image. No projects, no layers, no batch.

Typical uses:

“Change the jacket to dark blue”

“Remove the coffee mug on the desk”

“Replace background with plain white”

“Soften the lighting a bit”

Known limits: hair/glass/busy textures and very small sources can fail; one image at a time; same prompt may vary slightly.

I’d love blunt feedback: your real prompts, common cases I missed, and where the flow gets in the way (upload/preview/download). Fail cases welcome.

A 25-year Crohn's disease mystery cracked by AI

https://www.sciencedaily.com/releases/2025/11/251103093012.htm
1•Noaidi•2m ago•0 comments

I Stopped Being a Climate Catastrophist

https://www.breakthroughjournal.org/p/why-i-stopped-being-a-climate-catastrophist
1•paulpauper•2m ago•0 comments

My Excellent Conversation with Sam Altman

https://marginalrevolution.com/marginalrevolution/2025/11/my-excellent-conversation-with-sam-altm...
1•paulpauper•2m ago•0 comments

OpenAI CFO Says Bubble-Wary Market Needs More AI 'Exuberance'

https://www.bloomberg.com/news/articles/2025-11-05/openai-cfo-says-bubble-wary-market-needs-more-...
1•moosedman•3m ago•0 comments

Tesla's German car sales more than halve in October as wider EV sales jump

https://www.reuters.com/business/autos-transportation/teslas-german-car-sales-more-than-halved-oc...
3•moosedman•4m ago•0 comments

FIFA announces new peace prize to be awarded at World Cup draw in Washington

https://apnews.com/article/fifa-peace-prize-trump-infantino-682042bcb23ba0e02dcc5f1e88894ffd
1•erhuve•5m ago•0 comments

The tallest chip defies the limits of computing: goodbye to Moore's Law?

https://english.elpais.com/technology/2025-11-04/the-worlds-tallest-chip-defies-the-limits-of-com...
1•naves•7m ago•0 comments

Changing the AI narrative from liberation to acceleration

https://idratherbewriting.com/blog/ai-narrative-from-liberation-to-acceleration
1•theletterf•8m ago•0 comments

Sam Altman on Trust, Persuasion, and the Future of Intelligence

https://conversationswithtyler.com/episodes/sam-altman-2/
1•amrrs•13m ago•0 comments

Solarpunk is already happening in Africa

https://climatedrift.substack.com/p/why-solarpunk-is-already-happening
2•JoiDegn•15m ago•0 comments

ZKProphet: Understanding Performance of Zero-Knowledge Proofs on GPUs

https://arxiv.org/abs/2509.22684
1•PaulHoule•15m ago•0 comments

The HTML template is the core of all front end vs. back end problems

https://elixirforum.com/t/the-html-template-is-the-core-of-all-frontend-vs-backend-problems-i-wan...
2•fullstacking•16m ago•1 comments

What are open problems in robotics today?

1•gabrycina•17m ago•0 comments

Ask HN: Managers of HN, how do you track IC progress

2•higgins•17m ago•2 comments

What is the best way to find gaps in market to fill?

1•jaidev7823•18m ago•0 comments

Why Are We Talking About Superintelligence?

https://calnewport.com/why-are-we-talking-about-superintelligence/
1•frenzcan•19m ago•0 comments

Kopi Luwak

https://en.wikipedia.org/wiki/Kopi_luwak
1•jmagaro88•19m ago•0 comments

The Learning Loop and LLMs

https://martinfowler.com/articles/llm-learning-loop.html
1•mustaphah•20m ago•0 comments

Collapsing data/code distinction, and disappearing role of programmers

https://github.com/liliiiilil/www/blob/main/log/2025-11-05_On_software_being_obsolete.md
1•cheesecompiler•21m ago•0 comments

ESA's Annual Space Environment Report [pdf]

https://www.sdo.esoc.esa.int/publications/Space_Environment_Report_I9R1_20251021.pdf
1•janandonly•22m ago•0 comments

3D Geological Models in Minecraft

https://www.bgs.ac.uk/discovering-geology/maps-and-resources/maps/minecraft-3d-geological-models/
2•michaefe•26m ago•0 comments

High-speed rail network possible by 2040, says European Commission

https://www.theguardian.com/world/2025/nov/05/high-speed-european-rail-network-could-be-possible-...
2•rob74•26m ago•0 comments

Return of Chinese astronauts delayed after spacecraft struck by debris

https://www.theguardian.com/world/2025/nov/05/chinese-astronauts-delayed-spacecraft-struck-by-deb...
2•mitchbob•28m ago•1 comments

New gel restores dental enamel and could revolutionise tooth repair

https://www.nottingham.ac.uk/news/new-gel-restores-dental-enamel-and-could-revolutionise-tooth-re...
75•CGMthrowaway•31m ago•44 comments

Light Has Burst Forth in Astonishing Abundance

https://newsletter.humanprogress.org/p/light-has-burst-forth-in-astonishing
1•surprisetalk•31m ago•1 comments

Twtxt – decentralised, minimalist microblogging service for hackers

https://twtxt.readthedocs.io/en/latest/user/intro.html
1•surprisetalk•31m ago•0 comments

An overview of Air filter classes

https://coffee.link/air-filter-classifications-and-what-they-actually-mean/
2•PhilKunz•32m ago•0 comments

Apple nears $1B Google deal for custom Gemini model to power Siri

https://9to5mac.com/2025/11/05/google-gemini-1-billion-deal-apple-siri/
5•jbredeche•32m ago•0 comments

Fiber reduces overall mortality by 23%

https://www.empirical.health/blog/dietary-fiber-reduces-all-cause-morality/
29•brandonb•32m ago•7 comments

Superconducting qubit that lasts for over 1 ms is primed for industrial scaling

https://phys.org/news/2025-11-superconducting-qubit-millisecond-primed-industrial.html
1•rbanffy•34m ago•0 comments