ITFree Image Toolkit

Free Image Toolkit

Image Resizer

Resize images to the exact width and height you need, and calculate new dimensions while keeping the same aspect ratio. Useful for social posts, blogs, product images, and thumbnails.

No sign-up or payment is required, and files are processed in your browser whenever possible.

Upload images

Click or drop files here

Large images may slow down your browser.

Files are processed in your browser whenever possible and are not stored on a server.

JPG does not support transparent backgrounds. Transparent areas are filled with the selected background color. PNG quality settings are limited.

Original Preview

Upload an image to see the preview.

Result Preview

Adjust the options and check the result before downloading.

Resized results

Resize images to see results.

Resize first, then compress for a smaller final file.

How to use

  1. 1.Upload an image or enter the original width and height manually.
  2. 2.Calculate a new width or height while keeping the same ratio.
  3. 3.Choose the resize width, height, percentage, or preset for the actual image file.
  4. 4.Preview the result.
  5. 5.Download it as JPG, PNG, or WebP.

Cautions

  1. 1.Processing time can vary by browser and device performance.
  2. 2.Upscaling can make an image look softer because resizing cannot add original detail.
  3. 3.Check the preview before downloading the result.

FAQ

Where did the aspect ratio calculator go?

The aspect ratio calculator has been merged into the Image Resizer tool. You can now calculate ratios and resize actual images on the same page.

Can I calculate ratios without uploading an image?

Yes. Enter the original width and height manually to calculate ratios and new dimensions without uploading a file.

Are files stored on a server?

Files are processed in your browser whenever possible and are not stored on a server.

Can I use large files?

Upscaling can make an image look softer because resizing cannot add original detail.

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