
Phone Caller by MarkHax
ExperimentalExperimental
Call phone numbers using your default calling app
You'll need Firefox to use this extension
Extension Metadata
About this extension
A simple Firefox extension that allows you to call phone numbers directly using your default calling app via right-click context menu.
- 📞 Right-Click Calling: Select any phone number and right-click to call
- 🎯 Universal Integration: Uses standard
- 🧪 Test Feature: Test calling from the extension popup
- 🚀 Lightweight: Minimal code, maximum functionality
Right-Click Context Menu
Extension Popup
Supported Phone Number Formats
The extension recognizes various phone number formats:
-
-
-
-
-
- Numbers with extensions:
Compatible Calling Apps
Since this uses the standard
- Microsoft Teams
- Skype
- Zoom Phone
- WhatsApp Desktop
- System default phone app
- Any app that registers for
This extension:
- Only processes phone numbers locally in your browser
- Does not send any data to external servers
- Does not track your browsing or calling activity
- Only accesses webpage content to detect selected phone numbers
- Here is a git for the project https://github.com/markhaxx/phone-caller
- 📞 Right-Click Calling: Select any phone number and right-click to call
- 🎯 Universal Integration: Uses standard
tel:
protocol - works with any calling app- 🧪 Test Feature: Test calling from the extension popup
- 🚀 Lightweight: Minimal code, maximum functionality
Right-Click Context Menu
- Select any phone number text on a webpage
- Right-click and choose "Call [number]"
- Your default calling app will open with the number
Extension Popup
- Click the extension icon in the Firefox toolbar
- Enter a phone number in the test field
- Click "Test Call" to verify it works
Supported Phone Number Formats
The extension recognizes various phone number formats:
-
+1-555-123-4567
-
(555) 123-4567
-
555.123.4567
-
555 123 4567
-
+44 20 7946 0958
(International)- Numbers with extensions:
555-123-4567 ext. 123
Compatible Calling Apps
Since this uses the standard
tel:
protocol, it works with:- Microsoft Teams
- Skype
- Zoom Phone
- WhatsApp Desktop
- System default phone app
- Any app that registers for
tel:
linksThis extension:
- Only processes phone numbers locally in your browser
- Does not send any data to external servers
- Does not track your browsing or calling activity
- Only accesses webpage content to detect selected phone numbers
- Here is a git for the project https://github.com/markhaxx/phone-caller
Rate your experience
Permissions and dataLearn more
Required permissions:
- Access your data for all websites
More information
- Version
- 1.0
- Size
- 26.56 KB
- Last updated
- a month ago (Jun 5, 2025)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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