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PrivacyProxy Shield
Stop leaking credentials to AI tools. Masks before sending.
Every time you paste logs orenv files into ChatGPT, credentials reach their servers. API keys, passwords, emails — stored indefinitely. PrivacyProxy Shield intercepts sensitive data before it's sent and replaces it with anonymous tokens. The AI gets clean input. Your data never moves. 25+ PII types. 6 platforms. 100% local. $10 one-time.
I built this because I caught myself pasting a production database URL into Claude while debugging. That URL — with credentials — was now on Anthropic's servers.
I looked for existing tools. Everything I found either only worked on ChatGPT, only masked a handful of types, or required sending data through their own cloud. None of them felt trustworthy for the exact problem I was trying to solve.
So I built a local Python proxy that sits between the browser and any AI platform. Before the message is sent, it detects sensitive values using NER + regex and replaces them with tokens. The AI works with clean input. The real data never moves.
Happy to answer any questions about how it works under the hood.
About PrivacyProxy Shield on Product Hunt
“Stop leaking credentials to AI tools. Masks before sending.”
PrivacyProxy Shield was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #66 on the daily leaderboard. Every time you paste logs orenv files into ChatGPT, credentials reach their servers. API keys, passwords, emails — stored indefinitely. PrivacyProxy Shield intercepts sensitive data before it's sent and replaces it with anonymous tokens. The AI gets clean input. Your data never moves. 25+ PII types. 6 platforms. 100% local. $10 one-time.
On the analytics side, PrivacyProxy Shield competes within Privacy, Developer Tools, Security and Vercel Day — topics that collectively have 529.4k followers on Product Hunt. The dashboard above tracks how PrivacyProxy Shield performed against the three products that launched closest to it on the same day.
Who hunted PrivacyProxy Shield?
PrivacyProxy Shield was hunted by Build Sys. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of PrivacyProxy Shield including community comment highlights and product details, visit the product overview.
Build Sys