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EXTENSION.app

extension.app
ExtensionTools3 users
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Overview

All-in-One Extension App

EXTENSION.app is a companion browser extension of X.app for macOS, providing the same set of features. Toolbar Actions: - Share sheet with extensions - Open in Browser: X.app, Safari, EDGE - Picture-in-Picture video mode - Fullscreen video mode - Cast video - Mute video sound - Loop video - Skip video -15/+15 sec. Context Menu: - Share sheet with extensions - Open in Browser: X.app, Safari, EDGE - Picture-in-Picture video mode - Fullscreen video mode - Cast video - Mute video sound - Loop video - Skip video -15/+15 sec. Omnibox: - Open in Browser: X.app, Safari, EDGE. Background Service: - Automatic Picture-in-Picture video mode activation - Addition of Player controls to video player.

Details

  • Version
    2026.6.4
  • Updated
    June 6, 2026
  • Size
    237KiB
  • Languages
    55 languages
  • Developer
    X.app LLC
    1007 N Orange St FL 4 # 3493 Wilmington, DE 19801-1242 US
    Website
    Email
    support@extension.app
    Phone
    +1 773-888-9277
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    118449175

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, please open this page on your desktop browser

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