WebExtensions API

E134379
application programming interface browser extension framework web technology specification

The WebExtensions API is a cross-browser extension framework that lets developers create add-ons using standardized web technologies like JavaScript, HTML, and CSS.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (5)

Label Occurrences
WebExtensions 4
WebExtensions (via Firefox) 1
WebExtensions API canonical 1

Statements (51)

Predicate Object
instanceOf application programming interface ⓘ
browser extension framework ⓘ
web technology specification ⓘ
allows distribution of the same extension across multiple browsers ⓘ
basedOn web standards ⓘ
category browser technology ⓘ
web development ⓘ
compatibleWith Chrome Extensions API (partially) ⓘ
designedFor add-ons ⓘ
browser extensions ⓘ
documentationAt https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions ⓘ
enables extension development with a single code base ⓘ
hasGoal cross-browser compatibility ⓘ
standardization of browser extensions ⓘ
maintainedBy Mozilla ⓘ
provides APIs for bookmarks management ⓘ
APIs for browserAction and pageAction ⓘ
APIs for extension internationalization ⓘ
APIs for messaging ⓘ
APIs for runtime ⓘ
APIs for storage ⓘ
APIs for tabs management ⓘ
APIs for webRequest ⓘ
JavaScript APIs for browser features ⓘ
relatedTo Chrome extensions ⓘ
surface form: Chrome Extensions API

Manifest V2 ⓘ
Manifest V3 ⓘ
requires manifest.json file ⓘ
securityModel permission-based access to browser features ⓘ
supports background scripts ⓘ
browser action UI ⓘ
content scripts ⓘ
extension localization ⓘ
extension packaging ⓘ
extension signing ⓘ
options pages ⓘ
page action UI ⓘ
permissions model for extensions ⓘ
supportsPlatform Google Chrome ⓘ
Microsoft Edge ⓘ
Mozilla Firefox ⓘ
Opera ⓘ
Safari ⓘ
usedBy Chrome extensions ⓘ
Microsoft Edge Add-ons store ⓘ
surface form: Edge extensions

Firefox add-ons ⓘ
Opera extensions ⓘ
Safari web extensions ⓘ
usesTechnology CSS ⓘ
HTML ⓘ
JavaScript ⓘ

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mozilla Firefox → supports → WebExtensions API ⓘ
Opera web browser → supportsStandard → WebExtensions API ⓘ
subject surface form: Opera
this entity surface form: WebExtensions
Safari Extensions → compatibleWith → WebExtensions API ⓘ
this entity surface form: WebExtensions standard (with adaptations)
Gecko → supportsAPI → WebExtensions API ⓘ
this entity surface form: WebExtensions (via Firefox)
WebKitGTK → supportsFeature → WebExtensions API ⓘ
this entity surface form: WebExtensions API (partial)
Firefox Add-ons → supportsExtensionTechnology → WebExtensions API ⓘ
this entity surface form: WebExtensions
Gecko layout engine → supports → WebExtensions API ⓘ
subject surface form: Gecko
this entity surface form: WebExtensions
XUL user interface language → replacedBy → WebExtensions API ⓘ
subject surface form: XUL
this entity surface form: WebExtensions