ToolsNest / Free browser tools
Resize images to exact pixel dimensions
Set a target width or height, preserve the original proportions when needed, and export a resized picture.
Open Image Resizer →Runs in your browser. Keep a copy of original files and check downloaded results.
Resize a picture step by step
- Open the resizer and select one JPG, PNG or WebP file.
- Enter your target width or height in pixels.
- Choose Maintain aspect ratio for natural-looking results or Stretch to fit only when distortion is acceptable.
- Process the image, download it, and check the output dimensions before uploading it elsewhere.
Pixels versus file size
Pixel dimensions describe an image's width and height, such as 1200 × 800. File size, such as 240 KB, reflects how those pixels are stored. Reducing dimensions commonly helps reduce file size, but the export format and content are also important.
| Your goal | Suggested approach |
|---|---|
| Smaller image for a website | Reduce pixel dimensions to the expected display size; consider WebP compression separately. |
| Fit a fixed-size graphic box | Resize while preserving proportions, then crop in Photo Studio if required. |
| Keep a logo transparent | Prefer a format that supports transparency, such as PNG or WebP. |
Avoiding stretched images
If a picture originally measures 1600 × 900, changing it to 800 × 450 preserves its 16:9 proportions. Changing it to 800 × 800 without cropping will stretch the content. For logos, faces or text, use proportional resizing and crop later if you need a square.
What resizing cannot do
Increasing the width and height does not restore missing detail. Enlarging a low-resolution photo may make individual pixels or blur more obvious. For advanced image overlays, cropping, layers and text, open Photo Studio.
Common questions
Can I change width and height independently?
Yes. Choose the stretch option if you want two independent dimensions, but that can distort the image.
How do I make a square without stretching?
Keep the aspect ratio while resizing, then crop to a square in Photo Studio.
Is enlarging the same as improving quality?
No. Increasing dimensions does not create reliable missing detail.