Real-time detection catches credit cards, API keys, and personal information in form fields—before you submit.
Download "Leak Prevention Playbook" and learn how to protect your sensitive data
Real-time detection, AI-powered intelligence, and seamless workflows keep your org protected without slowing anyone down.
Highlight risky fields the moment sensitive info appears. PasteProof sits quietly until danger is detected.
Differentiate between harmless logs and production secrets with AI trained on real-world scenarios.
Protect browser forms, ticketing tools, chat apps, and AI prompts without complicated setup or playbooks.
Every day, thousands of people accidentally paste sensitive information into the wrong place
API key about to be sent over Email
Credit card going public on GitHub
SSN about to be sent to AI
One moment of distraction. One wrong window. One catastrophic data leak.
PasteProof stops this before it happens.
No configuration. No learning curve. Just type normally—PasteProof handles the rest.
Add PasteProof to Chrome. One click. No account required to start.
Get the extension
Privacy & security
Work exactly as you always do. PasteProof watches your form inputs in real-time and alerts you before you submit.
About to submit something dangerous? PasteProof detects it immediately with a visible badge and gives you options: anonymize or cancel.
Already installed the extension? Test it out in our interactive playground with sample credit cards, SSNs, emails, and more.
Open PlaygroundPasteProof doesn't just look for patterns—it understands context. Our AI distinguishes between:
Stop false positives. Start protecting what actually matters.
Start Protecting Your Data in 60 Seconds
Install PasteProof and never worry about accidental data leaks again.
