Free screen blur tool

Blur sensitive data before you share your screen

ContextBlur helps you hide emails, customer names, balances, and internal notes during Zoom, Google Meet, and Teams calls. Start free and set up in under a minute.

How the free plan works

  • Click any element to blur it instantly.
  • Use up to 5 blurs per session for free.
  • Everything runs locally in your browser.

Best for

Product demos, support sessions, spreadsheet reviews, and any screen share where private details can appear in sidebars, tables, or form fields.