Opera API support

dev.opera.comsite

Detailed WebExtensions support for Opera.

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WebExtensions

added

2026-10-10

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1. ▲
   Browser Extension Standard browserext.github.io

   site category #webextensions link ↗

   Standard for the API, supported by Mozilla, Opera and Microsoft.

2. ▲
   Browser support for WebExtensions developer.mozilla.org

   site category #webextensions link ↗

   Compatibility table for Chrome, Edge, Firefox, and Opera.

3. ▲
   Mozilla's WebExtensions documentation developer.mozilla.org

   site category #webextensions link ↗

   MDN wiki for the WebExtensions API.

4. ▲
   2019 blogs.opera.com

   site category #connectivity-info link ↗
5. ▲
   Opera github.com

   site category #selenium link ↗

   OperaDriver is a vendor-supported WebDriver implementation developed by Opera Software and volunteers that implements WebDriver API for Opera.

6. ▲
   Opera blogs.opera.com

   site category #ipfs link ↗

   Opera browser added support for ipfs:// in 2021

   

WebExtensions › Getting started: “Detailed WebExtensions support for Opera.”