YouTube Thumbnail Size
YouTube Thumbnail Size helps you complete image editing quickly with instant results in your browser. No upload is required and your data stays on your device.
- Thumbnail1280 × 720 px
This tool runs entirely in your browser. Your files and text are never uploaded to our servers.
Your input is processed locally in the browser under normal use.
How to use
- Open YouTube Thumbnail Size and enter or paste your input.
- Adjust options to match your scenario.
- Copy the result and continue your work.
FAQ
How do I use YouTube Thumbnail Size?
Enter your input above, review the live result, then copy or reuse the output in your workflow.
Is YouTube Thumbnail Size safe for sensitive data?
Yes. Processing runs in your browser whenever possible, so content is not sent to a remote server in normal use.
About this tool
YouTube Thumbnail Size processes raster images in the browser. Concepts like resolution, compression, color space, and metadata affect visual quality and file size.
Key metrics explained
Primary metric
Core measurement or output produced by YouTube Thumbnail Size.
Related concepts
Practical context
Use YouTube Thumbnail Size when you need fast, private results without installing software. Results are computed locally unless the tool explicitly fetches public reference data.
Data & context
YouTube thumbnail specs
1280×720 recommended; 16:9 aspect ratio; minimum width 640px.
Thumbnail guidelines
| Rule | Value | Note |
|---|---|---|
| Resolution | 1280×720 | HD quality |
| Aspect ratio | 16:9 | Required |
| Max file size | 2 MB | JPG, PNG, GIF |
Authoritative sources
- W3C PNG Specification — Image format standards and color models.