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IMAGES & MEDIA

Image Resizer

Resize images to exact pixel dimensions, choose JPG, PNG, or WebP output, preview the result, and download the resized file.

Tool statusUses server processing
Preview

Options

Or drop an imagechoose a file
.png, .jpg, .jpeg, .webp, .gif, .bmp · up to 20.0 MB. Sent to our server to process, then deleted right away.

Drop one or more images, choose dimensions, then resize them on the processing server.

Results

Drop one or more images, choose dimensions, then resize them on the processing server.

How it works

  1. Enter your input

    Fill in the values, paste your text, or upload the file this tool works with.

  2. See results instantly

    Most tools update live as you type; a few use a single button. Either way, the result appears right on this page.

  3. Use your results

    Copy, download, or share what the tool produces — you're always in control of the output.

Processed on our server, kept nowhere — The image is sent to a ProntoUso server so Pillow can resize and re-encode it accurately. It is processed only in memory for that one request and is never written to disk or kept afterward.

What is Image Resizer?

Resize JPG, PNG, WebP, GIF, or BMP files to new pixel dimensions and download the result.

UNDERSTAND THE TOOL

How to resize an image

How to use it

  • Drop or choose an image file.
  • Enter the target width and height.
  • Choose the output format and quality.
  • Resize, preview, and download the output.

Format notes

JPEG is usually best for photos, PNG is useful for sharp graphics or transparency, and WebP often produces smaller files in modern browsers.

Quality tips

  • Avoid enlarging images when quality matters.
  • Use JPEG or WebP quality settings for photos.
  • Use PNG when transparency must be preserved.

Processed on our server, kept nowhere

The image is sent to a ProntoUso server so Pillow can resize and re-encode it accurately. It is processed only in memory for that one request and is never written to disk or kept afterward.

Frequently Asked Questions

Will this upscale small images?

If you enter larger dimensions manually, Pillow can upscale the image, but quality will not improve beyond the original image data.

Is my image uploaded?

Yes. It is sent to a ProntoUso server for resizing, processed in memory for that single request, and never stored or logged.

Can I choose the output format?

Yes. You can export as JPEG, PNG, or WebP using the backend image library.

Will it upscale small images?

No. The fit calculation caps the scale at 1, so images only shrink to fit the target box.

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