Is Grow your YouTube with SEO | Tube Transcripts safe?

Medium risk

Tube Transcripts reads YouTube cookies and sends them to its Cloud Functions when used in YouTube Studio.

On YouTube Studio caption pages, the extension reads cookies for .youtube.com and posts them with the current video URL to its Cloud Functions endpoint. When the user starts transcription, it also sends the cookies with email, access token, language, and video details to the same service.

Part of this rating comes from analysis signals we haven't published as detailed findings yet.

Niche Matesv1.2.2Chrome Web Store
42Risk
Who publishes it

Niche Mates Wirth GmbH & Co. KG - no other listings under this identity

What this publisher told the store about itself, and the other listings that told it the same thing.

Publisher
Niche Mates
Declared legal entity
Niche Mates Wirth GmbH & Co. KG
Registered address
Parkstraße 31A, Zeuthen 15738, DE
Registered contact
Stefan Wirth

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

What it can do

Permissions this extension asks for, as declared in version 1.2.2. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.

  • Read and change your data on youtube.com

    *://*.youtube.com/*

  • Read and change cookies, including the ones that keep you signed in

    cookies

  • Store data in your browser

    storage

Where it sends data

Destinations our analysis observed Grow your YouTube with SEO | Tube Transcripts contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.

  • europe-west3-yt-transcribe-7009f.cloudfunctions.net

    Grow your YouTube with SEO | Tube Transcripts sends data to europe-west3-yt-transcribe-7009f.cloudfunctions.net. No other extension we have analysed sends data here.

Updated 30 September 2026cijnpkfpdlieljkblckfggiiflecfmff