At Demuxed 2023, I presented a talk about how I extended baby’s first HTML5 <video> element to support reverse playback. You can watch the talk below, and read along for more details about why and how I built this.

At Demuxed 2022, I presented a talk about how I re-built the HTML5 <video> element using Custom Elements and WebCodecs. You can watch the talk below, and read along for (much) more details about why and how I built this crazy contraption.

Hi, I’m Mattias! Somehow you found my personal blog, well done. This is where I post my thoughts and ramblings about everything that interests me.