Lightweight: ~48.7 kB (~12.4 kB gzipped) minified with Google's closure compiler. Improved performance and reduced memory footprint. Runs in a WebWorker which keeps the main / UI thread responsive.

According to our benchmarking this project's scanner engine's detection rate is about 2-3 times (and up to 8 times) as high as the one of the most popular javascript QR scanner library ...