As developers, we deal with lots of tiny workflows that break our focus. One of them is sharing URLs or local resources while testing with teammates. QR codes are an easy workaround—especially when you're jumping between devices.
Last week I needed to open a local build on my phone to test responsiveness. Instead of typing localhost:3000 with extra ports and dev flags, I just generated a QR code, scanned it, and continued working. Zero friction.
The good part is that QR generators don’t need to be complicated. A simple interface that turns your input into a clean PNG is often all you need. It’s useful for testing mobile versions, sharing staging links, or even passing small text values to another device.
I found a lightweight tool that doesn’t distract you with UI noise. It generates a clean QR instantly, and that’s pretty much all I need for my dev flow. If you prefer minimal tools that stay out of your way, you can check it whenever it fits into your workflow:
https://www.knowadvance.com/qr-code-generator
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