API Key Leak Detector — Free Online Tool
Scan text or files for leaked API keys — 20+ providers
Detect leaked OpenAI, Anthropic, AWS, GitHub, Stripe, Google API keys and tokens in text. Security scanner, 100% client-side.
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Free API key leak detector — 20+ providers, 100% private
Toololis API Key Leak Detector scans text for leaked credentials from 20+ providers. Perfect for code review, commit auditing, or verifying that a text sample (like a bug report) doesn\'t contain real keys. Everything runs in your browser.
How to use this tool
- 1
Paste text or code
Any text — code snippets, config files, commit diffs, chat logs, emails.
- 2
Review detected leaks
Each found key shows provider, severity, and risk. Click to highlight in text.
- 3
Rotate leaked keys immediately
If a key is confirmed leaked — rotate it NOW at the provider dashboard. Old keys are already in Git history + third-party logs.
Detected providers + formats
- OpenAI:
- sk-..., sk-proj-...
- Anthropic:
- sk-ant-...
- AWS:
- AKIA[0-9A-Z]16
- GitHub:
- ghp_, gho_, ghu_, ghs_, ghr_ (36 chars)
- Stripe:
- sk_live_, sk_test_, pk_live_, pk_test_
- Google:
- AIza... (39 chars)
- Slack:
- xoxb-, xoxp-, xoxa-
- SendGrid:
- SG.[21 chars].[43 chars]
- JWT tokens:
- eyJ[base64].eyJ[base64].[signature]
⚠️ If you found a leaked key
- Rotate immediately at the provider dashboard — don\'t just delete from code
- Audit logs for unauthorized use during the leak window
- Check Git history: key is likely in old commits — use
git filter-repoor BFG to purge - Notify affected users if customer data was potentially accessed
- Add secret scanning to your CI/CD pipeline to prevent recurrence
Frequently Asked Questions
Which API keys does this detect?
Is this data sent anywhere?
False positives?
What if I found a leaked key?
Can I scan Git history?
git log -p | [this tool] after copying output, or tools like truffleHog / gitleaks for automated Git scanning.Do you detect passwords too?
password=, PASSWD, DB_PASS).Key Takeaways
- API Key Leak Detector is a free, browser-based developer tool — scan text or files for leaked api keys — 20+ providers.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use API Key Leak Detector
- Open the tool: Launch API Key Leak Detector on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
API Key Leak Detector — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- Developer Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | API Key Leak Detector |
| Category | Developer |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use API Key Leak Detector?
You should try API Key Leak Detector for a quick, private way to scan text or files for leaked api keys — 20+ providers. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.