What is a browser extension: a real manifest, explained

Name: What is a browser extension: a real manifest, explained
Uploaded: 2026-10-01T00:00:00+00:00
Duration: 367 s
Description: What a browser extension is, its parts, what Manifest V3 changed, what each permission can reach, and how to check an extension yourself.

What a browser extension is, its parts, what Manifest V3 changed, what each permission can reach, and how to check an extension yourself. 6 minutes 7 seconds, narrated, with captions.

The full guide, with every step written out: What Is a Browser Extension? A Real Manifest, Explained