KeyLeak Detector – Scan websites for exposed API keys and secrets
I built this after seeing multiple teams accidentally ship API keys in their frontend code. The problem: Modern web development moves fast. You're vibe-coding, shipping features, and suddenly your AWS keys are sitting in a tag visible to anyone who opens DevTools. I've personally witnessed this happen to at least 3-4 production apps in the past year alone. KeyLeak Detector runs through your site (headless browser + network interception) and checks for 50+ types of leaked secrets: AWS/Google keys, Stripe tokens, database connection strings, LLM API keys (OpenAI, Claude, etc.), JWT…
In plain words
KeyLeak Detector scans websites using a headless browser and network interception to identify accidentally exposed API keys and secrets in frontend code. It detects over 50 types of leaked credentials including AWS keys, Stripe tokens, database connection strings, and LLM API tokens. Designed for development teams who want to catch security risks before deployment, it runs a quick scan on staging environments or existing sites in approximately 30 seconds per page.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
I built this after seeing multiple teams accidentally ship API keys in their frontend code. The problem: Modern web development moves fast. You're vibe-coding, shipping features, and suddenly your AWS keys are sitting in a <script> tag visible to anyone who opens DevTools. I've personally witnessed this happen to at least 3-4 production apps in the past year alone. KeyLeak Detector runs through your site (headless browser + network interception) and checks for 50+ types of leaked secrets: AWS/Google keys, Stripe tokens, database connection strings, LLM API keys (OpenAI, Claude, etc.), JWT tokens, and more. It's not perfect, there are false positives but it's caught real issues in my own projects. Think of it as a quick sanity check before you ship. Use case: Run it on staging before deploying, or audit your existing sites. Takes ~30 seconds per page. MIT licensed, for authorized testing only. https://github.com/Amal-David/keyleak-detector
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