On-device Chrome extension that blocks credential leaks to LLM chats
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
HN · launched Jun 3, 2026 · 5 upvotes (top 87%) · 0 views
Niche: browser extensions · 257 launches, 17 in the last 7 days ▼ -39% · Explore this niche →
Category and tags
- Security
- Compliance & governance
- B2C
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 257 launches in browser extensions →
Could you build this?
Yes This is a Chrome extension that intercepts clipboard paste events on specific domains and runs a small bundled on-device token/NER model (e.g., Transformers.js/ONNX Runtime Web in a Web Worker) to flag PII and API keys.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one : 752 launches clear the similarity bar, closest 8 shown.
Attention rank: #640 of 753 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 216 days after the earliest competitor.
- jev-chat-for-twitch · github · 2026-09-19 · 11 upvotes · similarity 0.52
- OnTheEdge · github · 2026-09-23 · 9 upvotes · similarity 0.52
- parallio · github · 2026-09-24 · 127 upvotes · similarity 0.52
- LLVM-jutsu: Anti-LLM obfuscation pass · hn · 2025-12-22 · 8 upvotes · similarity 0.50
- Chrome extension that blocks API keys from being pasted into AI tools · hn · 2026-05-13 · 5 upvotes · similarity 0.50
- Privacy focused client side password generator · hn · 2026-08-19 · 8 upvotes · similarity 0.49
- VoiceGoat · hn · 2026-04-28 · 14 upvotes · similarity 0.49
- SecretGate · hn · 2026-10-06 · 7 upvotes · similarity 0.48
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.