Scaling Kapwing to 100k+ Projects a day After more than a decade of engineering experience, I joined Kapwing in 2018 as the first employee. Now, I lead the engineering organization and have touched nearly every part of the stack. In
How We Built It: Audiograms in the Browser with Web Audio API & HTML Canvas In Kapwing Studio, users can upload an audio or video file of their podcast, favorite song, or interview and make an animated representation of the audio frequency and amplitude over time using our Audio Waveform tool.
Green Screen in the Browser With HTML Canvas Kapwing's Studio now supports chroma key-based background removal, also known as green screen editing. This allows users to upload green screen videos, remove the green background, and replace it with whatever they choose.
How to Implement Undo in a React + Redux Application How to implement undo functionality in a react + redux web application. This article explains how we designed Kapwing's undo stack with notes on technical design and edge cases. A resource for other web developers adding undo to a browser-based productivity app.
