Alternatives

Products that do what An interactive demo of QR codes' error correction does

Hi HN! This is a hobby project of mine that recently landed me my first interview and helped me get my first internship offers. Draw on a QR code, and the health bars will accurately display how close the QR code is to being unscannable. How few errors does it take to break a QR code? How many errors can a QR code handle? Counters at the bottom track your record minimum and maximum damage. (Can you figure out how to break a QR code with 0.0% damage to the actual data region?) Also, click on the magnifying glass button to toggle between "draw mode" and "inspect mode". I encourage you to use…

1. Not indexed yet — check back in a few minutes.

Ranked by how close each launch is in meaning, then by votes. Refine with a description →