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Show HN: Free VCF to CSV Converter – No Uploads, No Signup, 100% Local

1•akash-bilung•2h ago

I built ContactConverter.app, a simple, privacy-first tool to convert .vcf contact files to .csv format.

Upload your VCF contact file and instantly convert it to CSV. Perfect for importing into Excel, Google Sheets, or any spreadsheet app.

Also includes: - Contact deduplication - Data cleanup - vCard QR Code Generator - Contact Formatter

All feedback welcome! https://contactconverter.app

Version control: how I combat the rise of generative AI in the classroom

https://www.nature.com/articles/d41586-025-01814-5

1•sohkamyung•2m ago•0 comments

Constitution.congress.gov/constitution 6/8/25 –> 8/4/25 Diff

https://web.archive.org/web/diff/20250601021212/20250806023110/https://constitution.congress.gov/constitution/

1•ortusdux•2m ago•0 comments

Show HN: Principles of Building AI Agents book [pdf]

https://github.com/mastra-ai/mastra/blob/main/book/principles-of-building-ai-agents.pdf

1•calcsam•3m ago•0 comments

Digital Hygiene: Notifications

https://herman.bearblog.dev/notifications/

2•HermanMartinus•3m ago•0 comments

The Cost of a Call: From Voice Phishing to Data Extortion

https://cloud.google.com/blog/topics/threat-intelligence/voice-phishing-data-extortion

2•gnabgib•5m ago•0 comments

'Facial recognition tech mistook me for wanted man'

https://www.bbc.com/news/articles/cqxg8v74d8jo

1•pseudolus•5m ago•0 comments

Thinking in Hoses and Wires, Not Bolted Gears (Protocol-Driven Development)

https://github.com/MickDuprez/Protocol-Driven-Development

2•mickduprez•6m ago•1 comments

The Militarization of Silicon Valley

https://www.nytimes.com/2025/08/04/technology/google-meta-openai-military-war.html

2•cadertots•7m ago•0 comments

Providing ChatGPT to the entire U.S. federal workforce

https://openai.com/index/providing-chatgpt-to-the-entire-us-federal-workforce/

1•gmays•8m ago•0 comments

Disaster Informatics after the Covid-19 Pandemic

https://arxiv.org/abs/2507.16820

1•PaulHoule•10m ago•0 comments

Ask HN: Stuck in a slow moving company

3•bookworm123•10m ago•1 comments

Buy now, pay later is taking over the world. Good

https://www.economist.com/finance-and-economics/2025/08/04/buy-now-pay-later-is-taking-over-the-world-good

2•speckx•10m ago•0 comments

After the Bomb

https://worldhistory.substack.com/p/after-the-bomb

1•crescit_eundo•11m ago•0 comments

The Headaches of LLM Inference for App Developers

https://tower.dev/blog/the-hidden-headaches-of-llm-inference-for-app-developers

1•bradhe•12m ago•0 comments

A Cold Wind (poem about being donor conceived)

https://tyler.boyd.cloud/?p=554

1•tboyd47•12m ago•0 comments

AlmaLinux Introduces Native Nvidia Support Using Open-Source Kernel Driver

https://www.phoronix.com/news/AlmaLinux-Native-NVIDIA-Support

2•mikece•13m ago•0 comments

Ask HN: What's your AI flow for development?

2•cauliflower99•14m ago•0 comments

Open Conference of AI Agents for Science 2025

https://agents4science.stanford.edu/

1•jruohonen•15m ago•1 comments

Google suffers data breach in ongoing Salesforce data theft attacks

https://www.bleepingcomputer.com/news/security/google-suffers-data-breach-in-ongoing-salesforce-data-theft-attacks/

9•mikece•16m ago•0 comments

Show HN: Bridge Days Calculator SPA

https://bridgedays.github.io/

1•FeepingCreature•17m ago•0 comments

The Semiconductor Industry and Regulatory Compliance

https://www.schneier.com/blog/archives/2025/08/its-time-for-the-semiconductor-industry-to-step-up.html

2•speckx•18m ago•0 comments

3 TSMC engineers detained in Taiwan for leaking 2nm process trade secrets

https://www.taiwannews.com.tw/news/6172580

3•ilamont•18m ago•1 comments

The Canadian drone industry is spinning up – with lessons from Ukraine

https://www.cbc.ca/news/politics/canadian-forces-drone-warfare-1.7600299

2•jszymborski•19m ago•0 comments

Kubernetes for Snowflake

https://espresso.ai/post/introducing-kubernetes-for-snowflake

8•karamazov•20m ago•1 comments

LurkHub – Store your bookmarks, articles, feeds and posts in GitHub

https://lurkhub.com

2•leslielurker•20m ago•0 comments

Research Team Discovers Natural Immune Mechanism That Stops Metastatic Cancer

https://montefioreeinsteinnow.org/update/2025-aug-6/research-team-discovers-natural-immune-mechanism-stops-metastatic-cancer

2•mannykannot•20m ago•0 comments

Gödel's Loophole

https://en.wikipedia.org/wiki/G%C3%B6del%27s_Loophole

4•m-hodges•20m ago•0 comments

Show HN: Should – Expressive Assertions for Go

https://github.com/Kairum-Labs/should

4•andrey-1201•20m ago•1 comments

Electric Egg Car: Rare Photos of the Futuristic 1942 L'Œuf électrique

https://rarehistoricalphotos.com/electric-egg-car/

1•dxs•22m ago•0 comments

Time in Australia

https://en.wikipedia.org/wiki/Time_in_Australia

2•surprisetalk•22m ago•0 comments