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Exact dimensions • Exact file-size option • Browser-based

Resize Image to 300x300 Pixels

Resize any image to exactly 300 by 300 pixels for profiles, product thumbnails and square web graphics, with Fit, Crop and exact-KB options.

✓ No signup✓ Fit or crop✓ JPG, PNG & WebP✓ Exact KB check

Drop an image here

or click to choose a file

JPG • PNG • WebP • Up to 25 MB

Images are processed in your browser

Target specification

300×300 image specifications

ResizeDock verifies the target after processing and can also validate a maximum file-size requirement.

Width300 px
Height300 px
Aspect ratio1:1
OrientationSquare
Total pixels90,000
Exact file sizeOptional50 KB, 100 KB, 200 KB, 500 KB or custom

How to resize an image to 300×300

  1. Upload your image.Choose a JPG, PNG or WebP file from your device.
  2. Choose Fit or Crop.Crop fills the target frame; Fit keeps the whole image visible.
  3. Set an optional file-size limit.Pick a quick target such as 50 KB or 100 KB, or enter your own value.
  4. Create and verify the result.ResizeDock checks the dimensions, ratio, format, quality and target KB before download.

Fit vs. Crop

Crop

Best when the final canvas must be completely filled. ResizeDock preserves proportions and lets you choose which part of the image stays visible.

Fit

Best when you need to keep the entire original image. Empty space may be added around the image when the aspect ratios differ.

A medium square for everyday web use

300×300 is large enough to remain clear in many profile and card layouts while still being lightweight compared with high-resolution square images.

Common uses for 300×300

  • Profile and account images
  • Product or directory thumbnails
  • Square cards and widgets
  • Exact 300 × 300 upload fields
Related presets

Try nearby image sizes

100×100Square image size512×512Square image size72×72Square image size1:1Aspect ratio converter
FAQ

Questions about 300×300

Can I resize an image to 300×300 without stretching it?

Yes. Use Crop to fill the target frame while preserving proportions, or Fit to keep the whole image visible without distortion.

What aspect ratio is 300×300?

300×300 uses a 1:1 aspect ratio.

Can I set a maximum file size?

Yes. For JPG and WebP, set a maximum KB value and ResizeDock will automatically look for the highest quality that stays under the limit.

Is 300×300 suitable for a profile picture?

It often works well for web profile images, but the required size depends on the service where you plan to upload it.