The Chrome browser creates a QR code and then lets you copy or download it. Again, if you use a Chrome browser on any desktop computer — a Mac or a Windows PC — you can use it to create a QR code.

Inspect Element is a command found in all modern browsers that allows you to see the HTML that makes up the current webpage.

Sourcegraph aims to answer the challenge here with a search engine and code browser designed to help developers find the code they need.