Video2MP3 works with multiple browsers including Opera, Firefox and Chrome. Select the quality or format and go from there. The extension adds a download button to the browser when on YouTube that you just need to select to download.
The extension is free but if you want HD downloads you will need to pay a premium. Easy Youtube Video Downloader Express – FirefoxĮasy Youtube Video Downloader Express is a decent Firefox browser extension that plays nicely with YouTube and can convert files with ease.
