Resize Image
Resize a JPG, PNG or WebP image to an exact pixel width and height.
Choose an image or drop it here
Resize images to exact pixels
Enter the width and height required by a website, form or design. The image is redrawn in your browser at the requested pixel dimensions.
Changing width and height independently can stretch an image. If you need to preserve a specific visual crop, use the Crop Image tool first.
Frequently asked questions
Are my images uploaded to FileFit?
The image tools in this build process selected files inside your browser. Some pages load JavaScript libraries from third-party CDNs, but FileFit does not run an image-upload server for these tools.
Does it work on mobile?
Yes. Modern mobile browsers can use these tools, although very large files may use a lot of device memory.
Is it free?
Yes. The tools in this build can be used without creating an account.
Continue with a related check
More questions about this tool
Does 800 × 600 mean 800KB?
No. 800 × 600 is a pixel dimension, not file size.
Can I guarantee exact pixels after later compression?
Recheck the final output because a file-size compressor may change dimensions.
Should I resize a document scan?
Only if the destination allows it and the text remains readable.
Pixel dimensions are different from file size
Width and height describe how many pixels an image contains. Kilobytes describe how much storage the encoded image uses. A 600 × 800 photo can exceed an upload cap, while a much larger image may compress to a small file with lower detail.
If an application requires exact pixels, resizing is the appropriate first operation; if it also requires a KB maximum, perform both operations and verify the final result.
Step-by-step workflow
- Find the portal's required width and height and confirm whether it allows changes in aspect ratio.
- Choose the source image and enter the requested dimensions. Avoid stretching faces or text out of proportion.
- Download, examine the output at normal size and check whether the final format is accepted.
- Use a size compressor only if needed, then run Upload Readiness Checker on the downloaded image.
Common problems and what to check
| What you notice | What to check |
|---|---|
| Photo looks stretched | Crop to the required aspect ratio before resizing or preserve proportional scaling if the portal permits it. |
| Dimensions correct, KB too high | Compress as a separate step and check that pixel dimensions remain acceptable. |
| Large upscale is blurry | Resizing adds pixels but cannot recreate original detail. |
Important limitation
Resizing changes pixel dimensions; it does not certify DPI or portal acceptance. Preserving sharpness requires a good original photo.