MaskBeforeAI Upload Guard

MaskBeforeAI lets you mask sensitive areas in images and documents before they reach an AI platform. An interactive review dialog opens automatically when you upload, paste, or drop a file — so you can black out, blur, or pixelate private content before anything is sent. Everything runs 100% locally in your browser. No data is uploaded to any server. No account required for the free version. HOW IT WORKS: 1. Upload or paste a file on a supported AI platform 2. MaskBeforeAI opens an interactive review dialog 3. Draw masking boxes, use the brush tool, or use the eraser 4. Choose blur, pixelate, or black-box redaction 5. Click "Apply" — the masked file replaces the original before upload SUPPORTED FILE TYPES: - Images (PNG, JPG, GIF, WebP, BMP) — Free - PDF, DOCX, code files, text files — Pro FEATURES: - Works on major AI platforms - Three masking modes: blur, pixelate, black box - Brush tool for freehand masking - Eraser tool to correct mistakes - Undo/redo support - Keyboard shortcuts for power users - Multi-page document review (Pro) - PDF export (Pro) - No external servers, no tracking, no analytics PRICING: - Free: Image masking on all platforms - Pro Monthly: €7.99/month - Pro Annual: €19.99/year (save 79%) PRIVACY: All processing happens in your browser using the Canvas API. No images or documents ever leave your device. We don't collect any user data. Website: https://mask.ki-sum.ai Support: info@ki-sum.ai