WibbyTools

Resize Image

Change the dimensions of any photo or graphic in seconds. Type the pixel size you need, keep the proportions locked and download a sharp result.

or drop your files here

Accepted formats: .JPG, .JPEG, .PNG, .WEBP, .AVIF, .GIF, .TIFF, .TIF, .BMP, .HEIC, .HEIF, .SVG (máx. 25 MB)

How it works

  1. 1

    Upload your images

    Drop JPG, PNG, WEBP, HEIC or any other common format into the box. Several files at once is fine.

  2. 2

    Set the new size

    Enter a width and height in pixels. With the aspect ratio locked, we calculate the missing side for you.

  3. 3

    Download the result

    Your images come back at exactly the size you asked for, in the same format whenever possible.

Related tools

Other tools people use right after this one.

Built to get out of your way

487

Tools available

6

Languages

0

Watermarks added

2h

Until your files are erased

100%

Free to start

∞

Devices supported

Frequently asked questions

JPG, PNG, WEBP, AVIF, GIF, TIFF, BMP and HEIC. Photos from an iPhone work directly, with no conversion needed first.

Resizing images without losing sharpness

Every platform has its own preferred dimensions: profile pictures, marketplace listings, email headers, website banners. Uploading an oversized photo means the platform shrinks it with its own settings, and the result is often softer than it needs to be. Resizing to the right size first keeps you in control of the final look.

Our resizer uses a Lanczos resampling filter, the same family of algorithms professional editing software relies on. It keeps edges and small text crisp when you scale down. Enlarging beyond the original resolution is possible too, but no tool can invent detail that the original photo never captured.

Files are processed on our servers, so large batches do not slow your device down. Nothing is watermarked, and every upload is permanently deleted after 2 hours.