The official Bitwarden GitHub repository hosts their "Brand Assets" folder. This is the gold standard for high-resolution files.
Ensure the background is transparent (look for the "checkered" pattern in your editor) so it sits cleanly on any wallpaper or website. How to Change Your Bitwarden Shortcut Icon bitwarden icon download
Use this for any design work. It remains crisp at any size. The official Bitwarden GitHub repository hosts their "Brand