I Built a Chrome Extension That Adds Playback Speed and Picture-in-Picture to Japan's Free Streaming Service

📰 Dev.to · SHOTA

Learn how to build a Chrome extension that adds playback speed and picture-in-picture features to a streaming service, and understand the development process and tools used.

intermediate Published 24 Apr 2026

Action Steps

Create a new Chrome extension project using a boilerplate template or a tool like Chrome Extension CLI
Use JavaScript and HTML to create the user interface and functionality for the extension, such as playback speed and picture-in-picture controls
Implement the necessary APIs and libraries, such as the Chrome API for video playback and the Picture-in-Picture API
Test and debug the extension to ensure it works as expected across different browsers and devices
Publish the extension to the Chrome Web Store and maintain it with updates and bug fixes

Who Needs to Know This

This project is relevant to web developers, particularly those interested in Chrome extension development, JavaScript, and web development. It can be useful for teams working on streaming services or browser extensions.

Key Insight

💡 Chrome extensions can be used to add custom features to web applications, such as streaming services, and can be developed using JavaScript, HTML, and CSS.