Protect your privacy before uploading to AI
A browser extension that intercepts uploads to AI platforms — images, PDFs, documents, source code, and 40+ file formats — and lets you redact sensitive areas before anything leaves your browser.
Every day, millions of people upload screenshots and documents to AI chatbots. Those files may contain:
Once uploaded, you lose control. Mask before AI sees it.
Pops up automatically when you upload — no extra steps, no workflow change.
The extension detects when you upload or paste a supported file on any supported AI platform.
An interactive dialog opens where you draw boxes or use a brush to mark sensitive areas.
Blur, pixelate, or black-box the marked areas. The masked file replaces the original before upload.
Real-world scenarios across 9 AI platforms. Each demo shows the chat prompt, the original file, and the masked result.
Works automatically on the most popular AI chatbots and assistants.
Your AI platform not listed? Contact us and we'll add support for it.
Choose how sensitive areas are redacted. All processing happens locally in your browser.
Applies a Gaussian blur filter over the selected region. The content becomes unreadable while preserving layout context.
Downscales and upscales the region to create a mosaic effect. Obscures details while hinting at structure.
Covers the selected area with a solid black rectangle. The most thorough redaction — nothing is recoverable.
Start free with image masking & text scanning. Upgrade for documents & active text review.
For organizations that need AI-powered detection beyond Pro — automatic face detection, OCR, NER, and policy enforcement.
AI-powered face detection automatically identifies and masks faces in screenshots.
Semantic NER detects names, organizations, and addresses within text in images.
Optical character recognition automatically identifies text regions containing PII.
Standalone desktop application with clipboard monitoring and system tray integration.
HMAC-SHA256 strategy signing ensures redaction policies are tamper-proof and auditable.
Interested in enterprise features for your organization?
Contact UsClick the puzzle icon in Chrome's toolbar and pin MaskBeforeAI for quick access.
Visit any supported AI platform, upload or paste a file, and the review dialog will appear automatically.