Ghostit.online
Anonymize sensitive data before using AI.
Ghostit.online launched on June 5, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches.
What it does
Ghostit is a zero-trust anonymization tool that detects and redacts PII (names, IDs, emails) and corporate secrets directly in your browser. Our 100% offline Local Engine ensures your sensitive data never leaves your device, providing air-gapped privacy. Save time with Custom Dictionaries for internal code-names and effortlessly secure your documents before pasting them into ChatGPT, Claude, or any AI. Zero logs, zero storage.
Ghostit is a client-side PII anonymizer and privacy tool designed to stop corporate AI leaks by securing your text prompts locally in the browser.
Detect and redact names, emails, IDs, phone numbers, and more. Prepare your documents before sending them to ChatGPT or Claude. The text you enter is processed directly via encrypted HTTPS. We do not store, log, or analyze any content you enter into this tool. When you close the tab, everything disappears. Log in or sign up to securely save internal project names, client brands, or custom codes. Your masking rules sync to the cloud, so you never have to repeat the process. Cloud Mode Privacy: Processed via our paid API tier. Your data is never used to train AI models. However, our subprocessor (Google) temporarily logs payloads for automated safety and abuse monitoring. For strict NDAs or…from ghostit.online
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Local Privacy Firewall-blocks PII and secrets before ChatGPT sees themDec 2025 · github.com · ▲111OP here. I built this because I recently caught myself almost pasting a block of logs containing AWS keys into Claude. The Problem: I need the reasoning capabilities of cloud models (GPT/Claude/Gemini), but I can't trust myself not to accidentally leak PII or secrets. The Solution: A Chrome extension that acts as a local middleware. It intercepts the prompt and runs a local BERT model (via a Python FastAPI backend) to scrub names, emails, and keys before the request leaves the browser. A few notes up front (to set expectations clearly): Everything runs 100% locally. Regex detection…
NICH: GPT Anonymizer2025 · nichtech.uk · ▲14I built NICH after realising I couldn't use ChatGPT for my conflict research work without risking data leaks. It's a browser extension that: - Anonymises names, emails, and addresses in one click - Preserves context for AI to understand - Restores original data in AI responses - 100% browser-based (no cloud, data never leaves your device) Built it for researchers, lawyers, HR professionals or simply anyone handling confidential data who wants AI assistance without compliance nightmares. Free to use: https://www.nichtech.uk Would love feedback from the HN community!
BlankitMar 2026 · chromewebstore.google.com · ▲4Real-time, local-first PII redaction for AI interactions
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