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Show HN: Promptix – send selected text to any LLM from Mac apps with one hotkey

https://promptix.app
1•hudishkin•3h ago
Hey HN, I built this for my own workflow: too much time lost copying text from Notes/Slack/etc. to ChatGPT/Claude and back. Wanted a simple way to query LLMs without leaving the app.

Promptix is a small Mac app that triggers on a hotkey for any selected text:

- Translate

- Fix grammar

- Rewrite/improve

- Summarize

- Text as prompt

- Custom prompts (e.g., "Convert bug report to PR description")

Key features:

- Works in any app: browsers, IDEs, terminals, etc.

- Bring your own key: OpenAI, Anthropic, or any OpenAI-compatible (including local like Ollama). No limits or costs from me.

- Runs locally on your Mac: full privacy, no data leaves (only selected text).

- 5 defaults prompts + unlimited customs.

Feedback or ideas welcome. What prompts would you customize?

Innovative antivenom is a 'potential game changer' for snakebites

https://www.science.org/content/article/innovative-antivenom-potential-game-changer-snakebites
1•marojejian•2m ago•1 comments

As Social Media Restrictions Spread, Is the Internet Entering Its Victorian Era?

https://www.techdirt.com/2025/10/30/as-social-media-restrictions-spread-is-the-internet-entering-...
1•speckx•3m ago•0 comments

Show HN: I built a tool to preview mesh gradients on UI components

https://www.instantgradient.com/tools/css-gradient-generator
1•ugo_builds•4m ago•0 comments

When your AI shopping agent screws up, who gets the bill?

https://www.lableaks.dev/p/when-your-ai-shopping-agent-screws
1•didgeoridoo•5m ago•0 comments

Our inability to understand the exponential function is our biggest weakness

https://www.youtube.com/watch?v=1bvwOrGn1Zs
1•indigodaddy•7m ago•0 comments

Data Modeling for OLAP with AI Ft. District Cannabis (MooseStack, ClickHouse)

https://www.fiveonefour.com/blog/data-modeling-for-olap-with-ai
1•oatsandsugar•9m ago•0 comments

Show HN: Leilani – SIP client that streams call audio to the OpenAI Realtime API

https://leilani.dev
1•kfeeney•9m ago•0 comments

The private conversation anti-pattern in engineering teams

https://leadthroughmistakes.substack.com/p/why-we-tend-to-avoid-public-conversations
1•birdculture•9m ago•0 comments

Google ads explained by Motorcyling's new Jeremy Clarkson

https://www.youtube.com/watch?v=BfNIRyPi5QA
1•lifeisstillgood•13m ago•0 comments

Nvidia to Invest Up to $1B in AI Startup Poolside

https://www.bloomberg.com/news/articles/2025-10-30/nvidia-to-invest-up-to-1-billion-in-ai-startup...
1•mfiguiere•17m ago•0 comments

Remote Controlled Crawler Robot – Built with ChatGPT Codex by a Non-Coder [video]

https://www.youtube.com/watch?v=iTJ6LBFHMBU
1•raybb•18m ago•0 comments

ECB Holds Rates

https://www.ecb.europa.eu/press/pr/date/2025/html/ecb.mp251030~cf0540b5c0.en.html
1•mooreds•19m ago•0 comments

Django Ninja Aio CRUD

https://github.com/caspel26/django-ninja-aio-crud
1•caspel26•20m ago•0 comments

Snowflake says exec shared unauthorized guidance in Instagram street interview

https://www.cnbc.com/2025/10/29/snowflake-executive-instagram-post.html
1•mooreds•21m ago•0 comments

Circle or highlight on any app and get instant Jira/Linear tickets – no typing

https://flikhq.com/
1•notnotrishi•24m ago•1 comments

First look at the all-new Affinity [video]

https://www.youtube.com/watch?v=UP_TBaKODlw
1•jumpocelot•26m ago•2 comments

Amazon have reportedly cancelled their Lord of the Rings MMO, again

https://www.rockpapershotgun.com/amazon-have-reportedly-cancelled-their-lord-of-the-rings-mmo-again
2•jsheard•27m ago•0 comments

Deep Reinforcement Learning Book

https://deepreinforcementlearningbook.org/
2•suioir•28m ago•0 comments

Nvidia's GB10: 1 petaFLOPS of compute, 128GB of VRAM, and a $3K+ price tag

https://www.theregister.com/2025/10/13/nvidia_gb10_spark/
1•PaulHoule•29m ago•0 comments

Is there a less evil version of Palantir?

1•olafnub•29m ago•1 comments

"I did not have Trump killing the Fortran 77 compiler industry on my bingo card"

https://infosec.exchange/@david_chisnall/115463730854960344
9•pavel_lishin•29m ago•2 comments

Cursed Sitcom

https://cursedsit.com/
1•karel-3d•31m ago•0 comments

Ask HN: How do you identify which customers were affected by incidents?

1•alibasharat5•33m ago•0 comments

Azure outage is over, but problems linger – here's what happened

https://www.zdnet.com/article/massive-azure-outage-is-over-but-problems-linger-heres-what-happened/
1•CrankyBear•33m ago•1 comments

The Data Layer for Audio AI

https://sunain.com
1•shahbazamagsi•33m ago•1 comments

Electronic Eye Implant Restored Vision in Patients with Macular Degeneration

https://www.smithsonianmag.com/smart-news/electronic-eye-implant-restored-vision-in-patients-with...
3•jethronethro•34m ago•1 comments

OpenAI says hallucinations are mathematically inevitable, not engineering flaws

https://www.computerworld.com/article/4059383/openai-admits-ai-hallucinations-are-mathematically-...
6•devonnull•36m ago•0 comments

Show HN: GhostDot – Airsoft Smart Red Dot HUD

https://github.com/benb0jangles/GhostDot
1•benbojangles•36m ago•0 comments

GitHub Copilot's new feature could be a Devin killer

https://github.blog/news-insights/company-news/welcome-home-agents/
2•kaypee901•38m ago•0 comments

Ask HN: Playwright MCP Unusable?

1•asdev•38m ago•0 comments