Shake images from your PC to your phone.
Getting Started with Web Grab
Click "Install Safari Extension" to download the extension. Find it in the "Downloads" list and install.
The extension will be enabled and you can now shake your phone to transfer web pages.
You can unlink your WeChat ID from the browser in the browser extension's Settings menu or unlink it from your phone in WeChat's Shake function's Settings menu.
Find Web Grab in "Safari"->"Preference"->"Extensions" and select "Uninstall".