OmniShield
Stop leaking secrets into AI chat
What it does
Most AI tools help you talk to AI more. OmniShield helps you stop leaking to AI. ChatGPT extensions organize chats or add sidebars. We mask secrets at send time — inside ChatGPT, Claude, Gemini & Cursor — before they leave your browser. On-device. No prompt upload. API keys,env dumps, JWTs, emails: gone before send. Free core masking. Pro adds OCR, healthcare patterns, block mode. Other launches give you a better assistant. We give you a seatbelt for AI.
OmniShield masks API keys, passwords, and PII before they reach ChatGPT, Claude, Gemini, Perplexity, and Cursor — 100% on-device. Free Chrome extension.
OmniShield intercepts your prompts before they leave the browser, replacing API keys, passwords, and PII with safe placeholders — on your device, zero servers. Developers, founders, and security teams who use LLMs daily without leaking credentials or customer data. Hooks the send path so the raw secret never reaches the AI provider's servers — not just a visual blur or warning. Free and Pro process prompts locally. Your chat content never touches OmniShield's infrastructure. Masking runs in microseconds at the browser level — no round trip, no perceptible delay. OpenAI, AWS, GitHub, Stripe, GCP keys + emails, cards, phone numbers, and custom rules (Pro). Healthcare pattern pack detects PHI…from omnishield.app
Does the same job
all alternatives →
Identify AI data leaks,public or privateDec 2025 · ▲17LeakLake🔒Monitors AI chats, detects leaks, and alerts you⚠️
More ai this month
the category →
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com
Astute▲585Automate your B2B brand going viral, with new media creators
AI · 18d ago · company-app.joinastute.com
Hey HN, Henry from Cactus here! We previously released Cactus Needle, a 14MB agentic LLM for tool call, device use, and structured extraction for phones, wearables, smart homes, small robots and microcontrollers. We got really great feedback here, and have now incorporated the suggestions to release Needle 2. The whole model is a single 14MB binary that runs a full session in 28MB of RAM; 45m parameters at 2bit compression. Needle hits 500 tokens/sec decode speed on a Raspberry Pi 5, sits between 400-1,500 tokens/sec on VR devices like Meta Quest 3S and Apple Vision Pro, and ranges…
AI · 26d ago · cactuscompute.com
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io
- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com