API

10 articles

Chrome Extension File Handling on ChromeOS: Complete Developer Guide (2026)

Enable your Chrome extension to handle files on ChromeOS. Register file handlers, process files via the LaunchQueue API, and more.

Apr 21, 2026 · 4 min read

Implement geolocation in Chrome extensions using offscreen documents, popups, and content scripts. MV3 patterns and permission handling.

Apr 21, 2026 · 4 min read

Handle images and media in Chrome extensions. Covers screenshot capture, Canvas API processing, file uploads, and drag-and-drop.

Apr 21, 2026 · 9 min read

Master the Chrome Notifications API for desktop alerts. Covers all four template types, action buttons, event handling, and cross-platform tips.

Apr 21, 2026 · 4 min read

Register Chrome extensions for origin trials to test experimental APIs early. Covers registration, token setup, and best practices.

Apr 21, 2026 · 3 min read

Implement real-time updates in Chrome extensions using Web Push API, chrome.gcm, and WebSockets. Compare approaches with working code.

Apr 21, 2026 · 4 min read

Record screens, capture tabs, and record audio in Chrome extensions. Covers getDisplayMedia, tabCapture, offscreen documents, and MediaRecorder.

Apr 21, 2026 · 4 min read

Use WebHID API in Chrome extensions to communicate with keyboards, gamepads, and HID devices. Covers device selection and data exchange.

Apr 21, 2026 · 3 min read

Implement persistent WebSocket connections in Chrome extension service workers. Covers keepalive, reconnection, and real-time messaging.

Apr 21, 2026 · 4 min read

Use WebUSB API in Chrome extensions to interface with USB devices. Covers device selection, data transfer, and service worker patterns.

Apr 21, 2026 · 3 min read