Cobalt Tools UploadReady

Upload-ready image tool

Resize Image Online Free

Resize an image by pixels, keep proportions or fill exact dimensions. This is the broad image resizer behind the exact upload presets.

JPGPNGWEBPSVG best-effortGIF static
  1. 1. Select image

    Drop a file or choose one from your device.

  2. 2. Adjust preset settings

    Change KB, dimensions, crop or format if needed.

  3. 3. Download result

    Preview the new file before saving it.

Browser processing

Resize Image

Set width, height or exact dimensions before processing.

Original preview

Upload a file to preview it here.

Result preview

Processed image appears here before download.

How to use this tool

  1. 1

    Upload your image.

  2. 2

    Set width, height or exact dimensions.

  3. 3

    Download the resized file.

Useful for

  • Website uploads
  • Product photos
  • Social images

Preset settings

dimensions
1200px width
output
WEBP

Where are my files and text processed?

Processing takes place locally in your browser. Your selected files and text stay on your device during processing.

Is this tool free to use?

Yes. Use this tool for free, directly in your browser, without an account.

How do I save the result?

Use the download or copy action in the workspace once your result is ready.

Related UploadReady tools

These internal links point to nearby presets that solve similar upload-size, dimension or conversion tasks.

Search all tools