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0% Server Upload — Redact faces, license plates, and private text locally

Blur Faces & Pixelate Sensitive Image Areas

Simply click and drag over faces, car license plates, phone numbers, or credit cards on your photo. Choose Pixel Mosaic, Smooth Blur, or Solid Redaction with Undo support.

Drag & Drop an image to blur or mosaic here

Draw rectangles directly on the image to censor multiple areas

100% Browser Local Zero Server Upload Batch ZIP Download

Interactive Drag-to-Censor

Draw one or multiple selection boxes directly on the photo preview with mouse or touch input.

Mosaic, Blur & Blackout

Switch between blocky Pixelate Mosaic, soft Gaussian Blur, or solid Blackout redaction bars.

Irreversible Pixel Flattening

Permanently overwrites the underlying pixels on export so redacted text or faces can never be recovered.

How to Protect Privacy in Photos Before Sharing Online

Photos shared on blogs, marketplaces, or forums often contain bystanders' faces, shipping labels, or license plates that should be redacted.

Style 1

Pixel Mosaic (Best for Text & Plates)

Replaces fine text, barcodes, and license numbers with coarse color blocks that cannot be read.

Style 2

Smooth Blur (Best for Faces & Backgrounds)

Softly blurs background faces and surroundings while keeping your photo aesthetically pleasing.

Privacy Redaction Tips

You can add as many blur regions as needed on a single photo.

Frequently Asked Questions

Q. Are my personal photos or ID scans uploaded to any server?

No, never. SafeIMG runs 100% inside your browser's local memory using HTML5 Canvas. Not a single byte of your photos ever leaves your device.

Q. Can someone remove the mosaic or blur from the downloaded image?

No. SafeIMG flattens the redacted pixels directly into a new raster image, destroying the original pixel information in those regions.

Q. Is there any file size limit or daily usage cap?

Because there are zero server costs on our end, this tool is 100% free with unlimited usage and no file size limits.

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Technical Whitepaper & User Guide

Image Mosaic, Blur & Redaction Guide

Publishing street photos with bystander faces, car license plates, shipping labels with residential addresses, or account numbers risks severe privacy violations and identity theft. SafeIMG lets you drag rectangles directly over sensitive areas to apply pixel mosaic, gaussian blur, or solid blackouts.

1. Irreversible Pixelation Architecture vs Superficial Overlays

Light translucent brushes can often be reversed by adjusting exposure curves or using AI deblurring models. SafeIMG pixelates areas by downsampling underlying pixel clusters into solid color blocks or replacing RGB data with `#0f172a` blackouts, permanently obliterating original pixel data.

2. Recommended Redaction Styles by Target Information

Sensitive Data Type Recommended Style Security Level & Advice
Solid Blackout or Heavy Mosaic Intensity 20+ / Cover full text bounds to defeat forensic OCR Bystander Faces & Street Pedestrians
Gaussian Blur or Smooth Mosaic Preserves photo aesthetic while preventing facial recognition Vehicle License Plates & House Numbers
Pixel Mosaic (Intensity 15-25) Drag across entire plate border to obliterate letter contours 3. Redaction Best Practices

National ID, Account Numbers, Barcodes

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    Multiple redactions: Drag across multiple faces, plates, and addresses in sequence; all selections combine seamlessly.
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    Undo support: Made a mistake? Click [Undo] to revert the most recent redaction without restarting.
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    Always mask barcodes and QR codes: Masking names while leaving courier barcodes visible allows anyone with a phone camera to decode personal data.

Related In-Depth Image Articles

Explore All Guides →
Essential Privacy Guide: Masking Faces, License Plates & Barcodes with Mosaic & Watermarks → Why Personal Photos & IDs Should Never Be Uploaded to External Servers (HTML5 Canvas) →