smart-mailto is a lightweight JavaScript library that automatically detects and intercepts mailto: links on a webpage. It displays a clean modal allowing users to choose from dozens of webmail providers (Gmail, Outlook, Yandex, etc.) based on automatic regional detection using browser APIs. The library requires zero dependencies, loads in under 1ms, and works with a single initialization call. It is designed for web developers who want to ensure every mailto link on their site functions reliably for all users regardless of their email setup.
smart-mailto is a Developer Tools product. Broken or unusable mailto: links on websites that fail for users without a configured desktop email client. It is built as an open-source project for web developers. smart-mailto is open source under the MIT license. The product ships for the web and the command line.
Naman Dhakad builds and maintains smart-mailto, and the product first shipped in 2026. Development happens publicly on GitHub with 91 commits in the last 90 days. Key capabilities include mailto fallback, provider picker, and geo detection.
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A better mailto fallback with JavaScript verified by the PulseGate indexer
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