MaskBeforeAI Upload Guard icon

MaskBeforeAI Upload Guard

by KISUM AI - Kisum GmbH

v1.0.0 Updated Mar 20, 2026 729KiB
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Description

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
MaskBeforeAI Upload Guard screenshot 1MaskBeforeAI Upload Guard screenshot 2MaskBeforeAI Upload Guard screenshot 3MaskBeforeAI Upload Guard screenshot 4MaskBeforeAI Upload Guard screenshot 5

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Permissions (4)

Permissions

clipboardWrite Can write to your clipboard contextMenus Can add items to the right-click menu offscreen storage Can store data locally in your browser

Details

Version 1.0.0
Updated Mar 20, 2026
Size 729KiB
First Seen Mar 28, 2026