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AI Prompt Leak Guard

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AI Prompt Leak Guard — A browser extension that checks AI chat prompts for secrets and personal data on your device, before you press send.

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About AI Prompt Leak Guard

AI Prompt Leak Guard is a browser extension for Chrome and Firefox. It checks what you type, paste or upload into AI chat sites for API keys, private keys, ID numbers, bank details, health details and your own sensitive terms, such as client names, before the prompt is sent. It warns you, and can replace found values with numbered placeholders, then show your real values again in the reply. Detection runs on your device: the free plan needs no account, there is no analytics, and prompts never reach our server. It covers 75+ kinds of private details on 26 AI chat sites, including Indian IDs such as Aadhaar, PAN, GSTIN and UPI, EU national IDs and crypto seed phrases. Plus (INR 799 a year, 14-day trial, no card) also checks PDFs and images on the device. It is a safety net, not a guarantee: it can miss a value or flag something harmless.

Who it is for
People and small teams who paste work text, logs, documents or client details into AI chats, such as developers, freelancers, consultants and support staff.
Problem it solves
It is easy to paste an API key, a token in a log, an ID number or a client's details into an AI chat without noticing. Once sent, that text has left your control.
The solution
It checks what you type into an AI chat, like ChatGPT, Claude or Gemini, just before you send it. If your message contains something private, such as a password, an Aadhaar or PAN number, a card number or a client's details, it pauses and shows you what it found. You then decide whether to remove it, change it or send anyway.
What makes it unique
Everything runs on your device: no account for the free plan, no analytics, and prompts never reach our server. Found values can be swapped for numbered placeholders, and your real values come back in the reply. It also knows Indian IDs such as Aadhaar, PAN, GSTIN and UPI.
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Features

  • See exactly what was found

    A short notice names each detail, hides most of it, and explains why it matters. Replace details with placeholders in one click, preview the change, and undo it.

  • Warns about old chats too

    Open an earlier conversation that already holds private details and you get clear steps to delete it or start fresh.

  • Checks files before you upload them

    With Plus, Word, Excel, PowerPoint and text files, PDFs and images are read on your device before they reach the AI chat. A risky file is stopped. Compare Free and Plus

Details

Platforms
  • Browser extension
Pricing
  • Freemium
  • Subscription
  • One-time purchase
Built for

People and small teams who paste work text, logs, documents or client details into AI chats, such as developers, freelancers, consultants and support staff.

Building since

2026

Technology

AI Prompt Leak Guard product screenshot

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Website performance

Leaderboard

Recorded mobile lab measurements and finalized weekly standings from IndieTools Speed.

91ExcellentMobile Lighthouse

Measured · UTC

Load time
690 ms
FCP
1.40 s
LCP
3.16 s
CLS
0.000
TTFB
2 ms
TBT
0 ms
Speed index
3.99 s

These stored lab observations describe controlled test runs. They are not real-user Core Web Vitals or a guarantee of search rankings. Weekly standings below remain attached to their finalized edition.

Overall rank
Not finalized
Best overall rank
Not finalized
0 top 10 finishes
Best category rank
Not finalized
0 category wins
Latest change
11 ms faster
No finalized score yet

Method: psi-mobile-two-sample-mean-v1 · 2 samples per reading. Only readings with the same recorded method and sample count share a chart. Lab results can vary between runs.

Website performance history

Inspect every successful mobile Lighthouse lab measurement by metric and date range.

Range

Latest score

91 / 100

Higher is better
2 measurements

Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.

Oct 27, 2026

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