About RFC 3966 Tel URI & Click-to-Call Link Generator
Telephone URI and click-to-call link generator conforming to RFC 3966. Converts telephone numbers into standardized E.164 international dial strings (e.g. tel:+18005550199), adds phone extensions, generates SMS click-to-text links (sms:), and outputs copy-ready HTML <a> anchor code.
Key Capabilities & Features
- Standardized RFC 3966 tel: protocol generator with international E.164 normalization
- Support for PBX extensions (;ext=...) and pauses
- Companion SMS click-to-text link generator with prefilled message
- Triple export: Raw URI, HTML <a> anchor tag, and Markdown link
How to Use RFC 3966 Tel URI & Click-to-Call Link Generator
Enter Phone Number
Type local or international phone number with optional extension.
Customize Display Text
Set user-friendly text like Call Toll-Free: 1-800-555-0199.
Copy Anchor Code
Embed the click-to-call link on your website or email signature.
Privacy & In-Browser Execution Guarantee
100% Client-Side. Phone numbers are never stored or logged.
Frequently Asked Questions
What is the E.164 telephone number format?
E.164 is the international telephone numbering plan that defines standard numbers with a leading plus sign, country code, and subscriber number without punctuation (e.g. +18005550199).
What happens when a user clicks a tel link on mobile?
On mobile smartphones, tapping a tel: link opens the native phone dialer with the number pre-filled and ready to call.