Resize an image to 3840 × 2160 pixels
Get an image that is exactly 3840 × 2160 px (16:9), the size often asked for wallpapers and high-resolution screens. Your image stays on your device.
Choose an image to get started.
How it works
- Tap "Try it with a sample photo" or choose your own JPG, PNG, WebP or HEIC image.
- The preset outputs exactly 3840 × 2160 px: Cover fills the frame and crops the edges, Contain keeps the whole picture and adds padding.
- Press Download; the result info confirms the final pixel size.
FAQ
Will my photo be stretched to 3840 × 2160?
No. Cover crops centrally to the 16:9 shape, Contain adds white padding. The picture is never distorted.
What if I also have a file-size limit?
Download here, then run the image through Compress Image to KB with your limit.
Is my file uploaded?
No. Resizing and compression run in your browser; the image never leaves your device.