How to resize an image for social media
- Load an image. Use the largest version you have for the sharpest result.
- Pick the network and format, such as an Instagram portrait post or a YouTube banner.
- Drag the preview and use the zoom to frame your subject. Turn on the guide to see the safe area.
- Choose JPG for photos, PNG for graphics with text, then download.
Social media image sizes for 2026
| Image | Size (px) | Ratio |
|---|
Sizes as of October 2026. Platforms still display images at other sizes, but these give the sharpest result.
Tips for images that look sharp everywhere
- Start big. Downscaling keeps detail, upscaling only blurs it.
- Use PNG for logos and text-heavy graphics, and JPG at 85 to 90 quality for photos.
- Keep text in the center of banners and covers. Mobile apps crop the edges.
- For vertical video covers, check the result with the safe zone checker.
Last reviewed October 2026.
Frequently asked questions
What size is a YouTube banner?
2560 × 1440 pixels. Only the centered 1546 × 423 area is visible on every device, so keep your channel name and any text inside it. The resizer shows that safe area on top of your image.
What is the best size for an Instagram post?
1080 × 1350 pixels, a 4:5 portrait. It takes up the most space in the feed. Square posts are 1080 × 1080, and the profile grid now crops posts to 3:4, so keep the subject centered.
What size is a YouTube thumbnail?
1280 × 720 pixels, 16:9, under 2 MB. Choose the YouTube thumbnail preset and download as JPG to stay under the file limit.
Will my image lose quality?
Scaling down keeps it sharp. If your image is smaller than the target size, the tool warns you, because enlarging an image always makes it softer.
Can I fit the whole image without cropping?
Yes. Choose Fit instead of Fill. The image is placed whole inside the frame and the empty space is filled with a blurred copy or a solid color of your choice.
Are my images uploaded?
No. Resizing happens in your browser with the canvas API. Your image is never sent to a server.