Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Widevine L3 Decrypter

Widevine L3 Decrypter by YeetMasta

Chrome/Firefox extension for pen-testing to retrieve encryption keys of Widevine protected content ! PLEASE DECRYPT CONTENT IF YOU DON'T HAVE THE RIGHT TO DO IT!

ExperimentalExperimental
Available on Firefox for Android™Available on Firefox for Android™
3 (1 reviews)3 (1 reviews)
1,491 Users1,491 Users
You’ll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

About this extension
WVGuesserExtension-NextGen
For more details, see docs
Installation

Download or clone this code

At the same directory of manifest.json(root directory of this extension), put the one of the following Android L3 CDM key pair file(s).

Don't know how to get these files? See How to dump CDM key pair for more informations.

Supported CDM Key Pair Formats

device.wvd

device_client_id_blob + device_private_key

client_id.bin + private_key.pem

remote.json (How to use Remote CDM)

Install extension

Firefox (Permanent method)

1. Navigate to about:debugging#/runtime/this-firefox

2. Load temporary addon

Chrome

1. Navigate to chrome://extensions/

2. Load unpacked

Kiwi Browser(Android)

1. Navigate to ︙ --> Extensions

2. +(from .zip/.crx/.user.js)
Rated 3 by 1 reviewer
Sign in to rate this extension
There are no ratings yet

Star rating saved

5
0
4
0
3
1
2
0
1
0
Read 1 review
Permissions and dataLearn more

Required permissions:

  • Access browser tabs
  • Access your data for all websites
More information
Version
241029.5
Size
7.24 MB
Last updated
4 months ago (Apr 9, 2025)
Related Categories
  • Other
License
GNU General Public License v3.0 only
Version History
  • See all versions
Add to collection
Report this add-on
More extensions by YeetMasta
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla’s homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version. Android is a trademark of Google LLC.