MV Tools

Image tool

Online Image Resizer

Resize JPG, PNG, and WebP images with libvips while preserving aspect ratio or cropping to an exact size.

Fit keeps the image inside the width and height. Fill crops to the exact size.

Resize for the destination, not just a smaller number

Start from the original and choose the smallest dimensions that still meet the display or upload requirement.

  • Accepts one JPG, PNG, or WebP image up to 50 MB; width and height values can be 1–10,000 pixels.
  • Width and Height preserve the other dimension; Fit keeps the whole image within a box; Fill crops from the centre to fill that box.
  • WebP or JPEG use the quality control; PNG uses lossless PNG compression. Leave upscaling off unless larger pixels are truly required.

The image and result are temporary server files. Default cleanup is 30 minutes and processing stops after two minutes.

Most server file tools have a default 30-minute retention period. Expired files are removed by scheduled cleanup, so this is not an exact deletion timestamp.

How to Prepare Images for the Web, Sharing, and Transparent Backgrounds

Resize for the destination

Before you start

  • Check the target width, height, aspect ratio, and file-size limit first.
  • Keep an original image with enough pixels for future uses.

Check the result

  • Verify the aspect ratio, orientation, and important details near the crop edges.
  • Open the exported image at its intended display size.

Know the limit: Upscaling adds pixels but cannot restore image detail that was not present in the original.

Online Image Resizer for JPG, PNG, and WebP

Resize JPG, PNG, and WebP images online by width, height, fit, or crop mode, with optional format conversion and quality settings.

Reviewed by MV Tools Editorial Team

What This Tool Does

Upload an image and MV Tools uses libvips on the server to create a temporary resized image. You can keep the aspect ratio, fit inside a box, crop to an exact size, choose the output format, and remove metadata.

Common Use Cases

  • Resizing product photos, blog images, thumbnails, and social media assets
  • Changing JPG, PNG, or WebP dimensions before uploading to a website or form
  • Cropping images to exact sizes for avatars, cards, banners, and previews

How Data Is Handled

Uploaded images and resized outputs are processed temporarily on the server and cleaned up automatically after the retention period.

FAQ

Can I keep the original aspect ratio?

Yes. Use fixed width, fixed height, or fit mode to preserve the aspect ratio.

Can I create an exact width and height?

Yes. Use fill and crop mode to create an image with exact dimensions.

Are uploaded images stored permanently?

No. Uploaded images and resized results are temporary files and are cleaned up automatically.