Bilibili Downloader allows you to download any video you want from Bilibili in all formats you want including MP3 and MP4. All this could be done in less than 30 seconds, in high quality and with no fees. There is no need to sign up or sign up without cost. No pop-ups; submit the URL of a video to start downloading the video.
Simple ways for downloading any Bilibili video using Bilibili Video Downloader
Step 1: Select the video, and then copy the URL of the video.
Note: Make sure it is in this format: https://www.bilibili.com/video/Bk84v411Y38i
Step 2: Open https://www.onlinevideoconvert.net/bilibili-downloader/ & Paste the URL into the URL box and click the Download button.
Step 3: Select Quality and Format from options for downloading the tab. After that, click the direct link for the quality and format you want to save to your device.