Get a free McDonald’s burger!

Sharath Prabhal
2 min readAug 13, 2018


TLDR: A quick introduction to If you don’t care and just need to provide feedback, click here. Use this sample receipt if needed.

Ok, it’s not really free. McDonald’s has a “Buy 1 Get 1 Free Quarter Pounder” offer if you complete a short survey using the receipt from a previous visit. Sounds easy right?

The problem

Each McDonald’s receipt contains a 26-digit(?!?!) code which is awfully painful to enter in their website at Depending on your keyboard ninja skills, it could take a while to enter this code on a phone.

The solution

I built a tiny tool that will scan the receipt, use Optical Character Recognition(OCR) to retrieve the survey code and pre-fill the code in the McDonald’s survey site to get you started. That’s it!

Created using

What makes this special?

  • You don’t need to download an app, all you need is a web browser
  • The receipt is processed on your device, it is not sent anywhere.
  • You can give away this free burger to someone in need!

That’s all folks. If you find this useful, please share with others.