Bilibili video covers and thumbnails
Give the next Bilibili video a thumbnail with a clear hook
Bilibili Thumbnail Maker turns a topic, title, script, key frame, portrait, product photo, or reference image into a Bilibili video thumbnail with one strong focal visual, a readable hierarchy, and room for the headline. It makes one 2K landscape 16:9 PNG, and an existing thumbnail can be refined into a repeatable channel look. Bilibili Thumbnail Maker works in Claude Code, Codex, Cursor, and other agents that run Skills.
Install Bilibili Thumbnail Maker and tell me when I need to sign in: https://beatra.ai/skills/bilibili-thumbnail-maker/install.md
For agents:Install guideMarkdown version
Send it to WorkBuddy, Codex, Claude Code, or another agent to install. Sign in once the first time you use it.GitHub ↗Docs ↗Use it on your phone: WeChat mini program
A clear thumbnail direction for every Bilibili upload
One clear visual hook
Set a strong focal subject and readable hierarchy so the topic is recognizable at thumbnail size.
Start from what you already have
A topic, title, script, key frame, portrait, product photo, or reference image can all start the cover.
Grow into a channel look
Refine an accepted cover into one consistent style for explainers, reviews, vlogs, and more.
How it is made
Decide what viewers should notice first
Shape the title, central subject, and visual contrast into a cover that makes the video topic easy to scan.
Video hook · Focal subject · Room for the title
For explainers, reviews, vlogs, games, food, and entertainment
A repeatable creator series
Carry an accepted cover direction into a consistent visual family for explainers, reviews, vlogs, and more.
Inputs and outputs
Input · Text — Video topic, title, or script
Input · Image — Key frame, portrait, product photo, or references (optional)
- Formats
- JPG, PNG, WEBP
- Specifications
- up to 4 images per request
Output · Image — Bilibili thumbnail with room for the headline
- Formats
- PNG
- Specifications
- 1 image per request; 2K; aspect ratios 16:9; editable
| Input or output | Type | Formats | Specifications |
|---|---|---|---|
| Input | Text — Video topic, title, or script | — | — |
| Input | Image — Key frame, portrait, product photo, or references (optional) | JPG, PNG, WEBP | up to 4 images per request |
| Output | Image — Bilibili thumbnail with room for the headline | PNG | 1 image per request; 2K; aspect ratios 16:9; editable |
Specifications last checked · Sources: Model catalog · Documentation · Terms of Service
Questions
What can I use to start a Bilibili thumbnail?
Start from a topic, title, script, exported key frame, portrait, product photo, reference image, or a draft you already have.
What size is the thumbnail?
One 2K landscape 16:9 PNG thumbnail by default. Name another destination and the canvas follows it.
Can it refine a thumbnail I already have?
Yes. Up to two local areas of a thumbnail are refined in one pass, for a repeatable channel look across covers.
Related Skills
