YouTube Thumbnail Resizer
Resize Image for YouTube Thumbnail
Resize any image to YouTube's exact 1280×720 thumbnail size. Free, private, no uploads.
Upload Image
Drag & Drop or Click
JPEG, PNG, BMP, WebP
YouTube Presets
YouTube Size Reference
Thumbnail
1280×720 (16:9)
Channel Banner
2560×1440 (16:9)
Profile Icon
800×800 (1:1)
Tip: Keep text away from the bottom-right corner where the timestamp overlay appears.
Read full YouTube thumbnail size guide →Free YouTube Thumbnail Resizer
YouTube thumbnails need to be exactly 1280×720 pixels at a 16:9 aspect ratio. Our free resizer lets you upload any image and resize it to YouTube's specifications instantly. All processing happens in your browser — no uploads, no waiting.
Use the Thumbnail preset for 1280×720, or the Channel Banner preset for 2560×1440. Choose PNG for graphics with text, JPEG for photos, or WebP for smaller file sizes.
How to Resize a YouTube Thumbnail
- 1. Upload your image.
- 2. Select the Thumbnail preset (1280×720) or Channel Banner (2560×1440).
- 3. Choose your format and click "Resize & Export".
- 4. Download your perfectly sized thumbnail.
YouTube Thumbnail Best Practices
- Use 1280×720 at 16:9 — this is YouTube's recommended size.
- Keep text large and high-contrast for mobile readability.
- Avoid the bottom-right corner where the timestamp overlay appears.
- Use JPEG at 80-90% quality for photos, PNG for graphics.
- Keep file size under 2 MB to avoid upload errors.
Frequently Asked Questions
What is the YouTube thumbnail size?
1280×720 pixels at 16:9 aspect ratio. Minimum width is 640 pixels.
Does this tool upload my images?
No. All processing happens in your browser.
What format is best?
JPEG for photos, PNG for graphics with text. Keep under 2 MB.