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Airlock
Redact your prompts on-device before AI ever sees them
Strip names, emails, secrets and client data out of your prompt on your own device, before any of it reaches ChatGPT or Claude. The model only ever sees placeholders. A made. product.
Hi. We are the small studio behind Airlock. We kept pasting work into AI chats and then pausing: client names, emails, API keys, things that should never sit on someone else's server. The usual advice is "just be careful," which is not a real answer.
So we built Airlock. It detects the sensitive parts of your prompt and swaps them for stable placeholders ([NAME_1], [EMAIL_1]) right on your device, before anything reaches ChatGPT, Claude or Gemini. The model only ever sees the placeholders, and Airlock rehydrates its reply locally so it reads normally to you. The extension makes no network calls of its own, which you can verify in the network tab. Free covers the regex rules and your own term list. Pro adds an on-device model that catches names and companies, one-time, no subscription.
It is the sibling to Stash, our local-first memory for AI chats. Airlock guards what you send; Stash keeps what you get back. Neither ever phones home. Happy to answer anything.
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About Airlock on Product Hunt
“Redact your prompts on-device before AI ever sees them”
Airlock was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #122 on the daily leaderboard. Strip names, emails, secrets and client data out of your prompt on your own device, before any of it reaches ChatGPT or Claude. The model only ever sees placeholders. A made. product.
Airlock was featured in Chrome Extensions (52.7k followers), Privacy (11.2k followers) and Artificial Intelligence (473.1k followers) on Product Hunt. Together, these topics include over 126.6k products, making this a competitive space to launch in.
Who hunted Airlock?
Airlock was hunted by Asrith Cheepurupalli. 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.
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Asrith Cheepurupalli
Hi. We are the small studio behind Airlock.
We kept pasting work into AI chats and then pausing: client names, emails, API keys, things that should never sit on someone else's server. The usual advice is "just be careful," which is not a real answer.
So we built Airlock. It detects the sensitive parts of your prompt and swaps them for stable placeholders ([NAME_1], [EMAIL_1]) right on your device, before anything reaches ChatGPT, Claude or Gemini. The model only ever sees the placeholders, and Airlock rehydrates its reply locally so it reads normally to you. The extension makes no network calls of its own, which you can verify in the network tab.
Free covers the regex rules and your own term list.
Pro adds an on-device model that catches names and companies, one-time, no subscription.
It is the sibling to Stash, our local-first memory for AI chats.
Airlock guards what you send; Stash keeps what you get back. Neither ever phones home.
Happy to answer anything.