Security• 3 min read• Last Updated: August 2026
Privacy Blur & Pixelation Redaction
Permanently mask customer PII, credit cards, Stripe tokens, and passwords directly on the canvas.
Executive SummaryHide confidential data before sharing: solid boxes, pixelation, a blur brush, and Find private data, all processed on your device.
Why Real Canvas Redaction Matters
Many users mistakenly use translucent black rectangles or CSS filters to hide sensitive information. In photo editors, these can be brightened to reveal passwords or API keys.
Irreversible Canvas Masking
ClickSnap destructively replaces the underlying pixel grid with averaged pixel blocks or mathematical Gaussian convolution. The original text data is mathematically eradicated from the exported PNG bitmap.
importantZero possibility of reverse-engineering masked credentials or sensitive customer PII.
Was this documentation helpful?
Your feedback helps us continuously improve technical guides.