Free browser extension templates

Start from a working, editable browser extension. Every template ships as Manifest V3, exports to Chrome, Firefox, Edge, and Safari, and can be customized in the Extinde builder in seconds. Browse 8 templates below or open one to see the full description, screenshots, and install instructions.

All templates

  • Pomodoro Timer Chrome Extension Template — Focus timer with 25/5 intervals and desktop notifications
  • Tab Manager Browser Extension Template — Group, search, and close tabs by domain in one click
  • AI Page Summarizer Chrome Extension Template — Summarize any article or page with one click using AI
  • AI Translator Chrome Extension Template — Translate selected text on any webpage with AI
  • Color Picker Chrome Extension Template — Eyedropper tool with HEX, RGB, HSL output and history
  • JSON Viewer Chrome Extension Template — Pretty-print and collapse JSON responses in the browser
  • Screenshot Chrome Extension Template — Capture visible area, full page, or selected region
  • Save to Notion Chrome Extension Template — Clip pages, selections, and links to your Notion database

Prefer to build from scratch?

Open the Extinde builder and describe your extension idea in plain English. Or explore the community marketplace for extensions built by other creators.