Mosaic Blur

Each effect offers different levels of privacy protection: 1) Mosaic: Creates square pixel blocks, excellent for completely obscuring text, faces, or sensitive data, 2) Blur: Gaussian blur effect that softens details while maintaining some visual context, ideal for backgrounds or less sensitive content, 3) Pixelate: Similar to mosaic but with more organic pixel clustering, good for artistic privacy protection, 4) Frosted Glass: Mimics a frosted glass effect, perfect for elegant privacy protection in professional contexts. Choose based on your privacy needs and aesthetic preferences.

Our tool offers multiple precise selection methods: 1) Brush mode: Paint over areas with adjustable brush size for organic shapes and complex regions, 2) Rectangle mode: Perfect for covering rectangular text blocks, faces, or ID numbers, 3) Circle mode: Ideal for round objects like faces, logos, or circular sensitive areas, 4) Polygon mode: Draw custom shapes with unlimited points for irregular areas, 5) Undo function: Remove last action or clear all selections to start over. You can combine multiple selection modes in a single image for maximum precision.

Effect strength depends on your privacy requirements: 1) Low strength (20-40%): For mild privacy protection or artistic effects, still allows some detail recognition, 2) Medium strength (50-70%): Balanced protection that obscures most details while maintaining some context, 3) High strength (80-90%): Strong privacy protection, makes content very difficult to identify, 4) Maximum strength (95-100%): Complete privacy protection, renders content completely unrecognizable. For faces and sensitive data, we recommend 80%+ strength. For background elements, 50-70% is often sufficient.

Yes, our tool offers comprehensive editing capabilities: 1) Undo last action: Remove the most recent selection or brush stroke, 2) Clear all selections: Start over with a clean slate while keeping your uploaded image, 3) Real-time preview: See effects immediately as you make selections, no need to apply first, 4) Adjustable settings: Change effect type, strength, and brush size even after making selections, 5) Preview modes: Toggle between full image preview and selection-only preview to see your work clearly. All changes are non-destructive until you hit 'Apply Effect'.

Absolutely! Your privacy and security are our top priority: 1) Local processing: All image editing happens locally in your browser using HTML5 Canvas, 2) No uploads: Your images never leave your device or get sent to our servers, 3) No storage: We don't save, log, or access your images in any way, 4) Secure session: All data is cleared when you close your browser or navigate away, 5) No tracking: We don't monitor your editing activities or analyze your images. This is especially important for privacy protection tools - your sensitive images remain completely confidential.

Our privacy protection tool handles a wide range of formats and sizes: 1) Input formats: JPEG, PNG, WebP, GIF, BMP up to 50MB per file, 2) Resolution support: Up to 8000x8000 pixels for high-resolution images, 3) Output quality: Original resolution maintained with professional-grade effect application, 4) Format preservation: Output in the same format as input, or choose PNG for best quality, 5) Batch processing: While this tool processes one image at a time, you can use our batch processing tool for multiple images. Effects are applied at full resolution to ensure professional results.

Yes, our tool is designed for professional use cases: 1) GDPR compliance: Perfect for redacting personal data in documents and images, 2) Medical privacy: HIPAA-compliant redaction for medical images and patient information, 3) Legal documents: Obscure sensitive information in legal filings and evidence, 4) Social media: Protect identity in social posts while maintaining engagement, 5) Corporate use: Redact confidential information in presentations and reports, 6) Journalism: Protect source identity and sensitive details in published images. The professional-grade effects ensure complete privacy protection that meets industry standards.

For natural-looking results, follow these best practices: 1) Choose appropriate effects: Use blur for backgrounds, mosaic for text, and frosted glass for elegant protection, 2) Vary effect strength: Use lower strength at edges and higher in centers for gradual transitions, 3) Match surrounding context: Consider the image's overall style when choosing effect types, 4) Layer effects: Apply different effects to different areas of the same image for professional results, 5) Preview extensively: Use real-time preview to ensure effects look natural, 6) Consider viewing distance: Stronger effects for images viewed up-close, lighter for distant viewing. The goal is privacy protection that doesn't distract from the image's message.