Savefrom.net Helper Firefox [portable] Access

Mozilla removed the extension from the official Firefox Add-ons store multiple times between 2019 and 2021. Each time, the developers would resubmit a cleaned version, only to reintroduce malicious code weeks later via remote updates—a practice known as “version padding.”

: Instead of copying and pasting URLs into a website, the helper places shortcut buttons directly in the website's design for immediate access. Supported Platforms

YouTube’s Terms of Service explicitly prohibit downloading content without explicit permission, except via the official “offline” feature in YouTube Premium. The SaveFrom.net Helper encouraged mass violation of these ToS. While individual users are rarely sued, the extension itself faced repeated DMCA takedown requests.