ContextBlur

Tracking since Apr 4, 2026.

Changelog

• Apr 23, 2026
  permissions

  storage, sidePanel

  storage, sidePanel, scripting

• Apr 17, 2026
  description

  ContextBlur helps you hide sensitive information on webpages before screen sharing, recording a demo, or presenting live. Click any element to blur it instantly, keep it blurred across refreshes, and share real screens without exposing private or confidential details.
  
  Best for
  • Screen sharing with colleagues, clients, or teammates
  • Product demos and sales calls
  • Tutorials, webinars, and live recordings
  • Dashboards, admin tools, inboxes, CRMs, and internal systems
  • Hiding personal or sensitive information before presenting
  
  Key features
  • Click to blur any text, image, input, or page element
  • Persistent blur that stays after page refresh
  • Smart selection that avoids over-blurring the page
  • Keyboard shortcuts for faster workflows
  • Optional auto-blur for emails, phone numbers, SSNs, and credit card numbers
  • 100% local processing in your browser
  • No analytics or tracking
  • No data is stored or transmitted
  • Open source
  
  How it works
  1. Open the ContextBlur side panel
  2. Turn on Selection Mode
  3. Click the element you want to blur
  4. Refresh the page if needed — your blur stays in place
  
  Important
  ContextBlur is a visual privacy tool for screen sharing, demos, tutorials, recordings, and live presentations. It helps reduce accidental exposure of sensitive information, but it is not a security control.

  ContextBlur helps you hide sensitive information on webpages before screen sharing, recording a demo, or presenting live. Click any text, image, input, or page element to blur it instantly and keep sharing the real page without exposing private details.
  
  Manual blurring is free forever. Pro adds optional auto-blur and advanced controls for faster repeat workflows.
  
  Best for:
  • Product demos and sales calls
  • Screen sharing with clients, teammates, or stakeholders
  • Tutorials, webinars, and recorded walkthroughs
  • Dashboards, admin tools, inboxes, CRMs, and internal systems
  
  Free features:
  • Click to blur any text, image, input, or page element
  • Smart selection to avoid over-blurring the page
  • Keyboard shortcuts for faster workflows
  • Blurs stay in place after refresh on the same page
  • 100% local processing in your browser
  • No page content is uploaded or transmitted
  
  Pro features:
  • Run local auto-blur scans for emails, phone numbers, SSNs, and credit card numbers
  • Extra blur controls for repeat screen-sharing workflows
  • Advanced blur settings for power users
  
  How it works:
  1. Click the ContextBlur extension icon
  2. Click Enable Blur Mode
  3. Click the element you want to hide
  4. Open Full Controls for auto-blur and advanced settings
  
  Important:
  ContextBlur is a visual privacy tool for screen sharing, demos, tutorials, recordings, and live presentations. It helps reduce accidental exposure of sensitive information, but it is not a security control or a substitute for secure data handling.

Permissions & access

Permissions

storagesidePanelscripting

Host access

http://*/*, https://*/*

Screenshots

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