Can someone un-blur or reverse pixelated text from an image exported with Zapixal?

No. Zapixal performs permanent raster manipulation. The original RGB pixel values under the redacted selection are overwritten and destroyed.

Why is Gaussian blur or mosaic better than drawing a black rectangle over text?

Both permanently destroy underlying pixels when flattened onto the raster image canvas. Mosaic pixelation visually indicates that information was redacted while preventing data recovery.

Is my unredacted original image sent across a network before I apply the blur?

No. All image loading and redaction rendering occur locally inside your browser memory.

Blur & Pixelate Sensitive Info Privately in Browser

Name: Zapixal - Blur & Pixelate Sensitive Info Privately in Browser
Availability: InStock
Author: Zapixal

Obfuscate passwords, faces, and credentials in screenshots using permanent blur. Processed locally in browser memory for local data privacy.

Drop files here, or choose files

HEICPNGJPGWEBPAVIFSVG

Batch processing supported•Ctrl+Vto paste

Canvas Pixel Mosaic & Gaussian Redaction

Irreversibly obfuscating confidential data on screenshots and documents

Sharing screenshots, legal documents, or identity cards often risks accidentally exposing passwords, API keys, credit card numbers, or personal faces. Reversible black box overlays or semi-transparent layers can sometimes be removed by downstream editors. Zapixal applies true, permanent Gaussian blurring or mosaic pixelation directly onto the canvas raster plane, permanently destroying underlying pixel values.