Install LibreWolf a fork of Firefox that is focused on privacy, security and freedom.

Add a dedicated repository.

$ echo "deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/librewolf.gpg] \ $(lsb_release -sc) main" | \
sudo tee /etc/apt/sources.list.d/librewolf.list
deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/librewolf.gpg] impish main

Download a signing key.

$ sudo wget --output-document /etc/apt/trusted.gpg.d/librewolf.gpg \
--2022-01-22 9:23:34--
Resolving (
Connecting to (||:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2307 (2.3K) [application/octet-stream]
Saving to: '/etc/apt/trusted.gpg.d/librewolf.gpg'

/etc/apt/trusted.gpg.d/librewolf.gpg  100%[==============>]   2.25K  --.-KB/s    in 0s

2022-01-22 9:23:35 (7 MB/s) - '/etc/apt/trusted.gpg.d/librewolf.gpg' saved [2307/2307]

Ensure that it downloaded correctly.

$ gpg --import-options show-only \
      --import /etc/apt/trusted.gpg.d/librewolf.gpg
pub   rsa4096 2021-10-05 [SC] [wygasa: 2024-10-04]
uid                      Malte Jürgens <maltejur at>
sub   rsa4096 2021-10-05 [E] [wygasa: 2024-10-04]

Update package index.

$ sudo apt update

Install LibreWolf browser.

$ sudo apt install librewolf 

Start LibreWolf.