Letras JP — furigana + karaoke (YouTube) — permissions and source code

Letras japonesas con furigana y karaoke sincronizado sobre videos de YouTube (uso personal/educativo).

Users: 3
Version: 1.0.0
Updated: July 2, 2026
Size: 14.78MiB
Category: Lifestyle

What this extension can access

These are the capabilities Letras JP — furigana + karaoke (YouTube) declares in its manifest. Each one is a fact about the shipped code, not a judgement about the extension.

Local to the extension

offscreen

Use a hidden document for background work.

storage

Store its own settings and data locally.

Websites it can read and change

*://www.youtube.com/*

Read and change your data on www.youtube.com.

https://lrclib.net/*

Read and change your data on lrclib.net.

https://music.163.com/*

Read and change your data on music.163.com.

Pages it injects code into

*://www.youtube.com/*

Get this extension's source code

Download the .crx package or unpack it to read the source, entirely in your browser.

Download .crx Extract source code View on Chrome Web Store

Inside the package

Manifest version	MV3
Files	23
Unpacked size	17.1 MiB
Download size	14.8 MiB

File types

gz · 12js · 4png · 4json · 2html · 1

Code characteristics

No dynamic evaluation or remote script loading was found.

Domains referenced in the code

Hostnames that appear in this extension's files. A hostname here means the string is present in the code, not that data is necessarily sent to it.

lrclib.netmusic.163.com