How-to guides and best practices for redacting images and PDFs. Open BlurPen →
May 17, 2026
Gaussian blur vs pixelation for hiding sensitive information — which is safer, and when to use each.
Read →May 17, 2026
Step-by-step guide to blurring or pixelating faces using BlurPen — free, in your browser, with no account or upload required.
Read →May 17, 2026
Redact sensitive information in a PDF online for free — no Adobe subscription, no file uploads, works in any browser.
Read →We use cookies for ad personalisation. Your uploaded files are never collected or stored. Privacy Policy