How Does the BiliBili Thumbnail Downloader Work?
Every BiliBili video has a cover image hosted on BiliBili's own image CDN. This tool resolves the video from the URL you paste, fetches its real cover image, then generates a few common resized variants using BiliBili's own image resizing service so you can pick the size you need.
Why Did My Download Fail?
BiliBili's CDN blocks direct hotlinked image requests that don't include the right referrer header. This tool proxies every download through our server with the correct headers so your browser receives a clean file, if a download still fails the video or its cover may have been removed or made private.
BiliBili Thumbnail Downloader: Frequently Asked Questions
How do I download a BiliBili video cover image?
Paste any BiliBili video URL, BV ID, or av ID into the box above and click Get Thumbnail. The cover image will appear in several sizes with a one-click Download button for each.
What image sizes are available?
The original uploaded cover plus resized 640x360, 320x180 and 160x90 versions generated on the fly from BiliBili's image CDN.
Is this an official BiliBili tool?
No. This is an independent, unofficial tool built for informational and personal reference purposes and is not affiliated with or endorsed by BiliBili.