Resize Image
Change dimensions instantly - Width, Height, or Percentage
Click or drag image here
JPG, PNG, WEBP, BMP up to 50MBWhy Resize an Image?
Resizing changes an image's actual width and height in pixels — unlike compression, which only changes file size while keeping the same dimensions. You need this when a form asks for an exact pixel size (for example, "200x230px for passport photo" or "1080x1080 for Instagram"), or when a photo is simply too large to display or upload sensibly.
If your goal is a specific passport or ID photo size rather than a general resize, our Passport Photo tool handles the exact country-specific presets for you automatically.
How to Resize an Image on ToolMyPic
- 1. Upload your photo — Click the upload area above or drag your JPG, PNG, WEBP, or BMP file in. Processing happens entirely in your browser, so nothing is uploaded to a server.
- 2. Choose your method — Resize by exact width/height in pixels, or scale the whole image up or down by a percentage.
- 3. Keep aspect ratio (optional) — Leave "Keep aspect ratio" checked to avoid stretching or squashing the image when you only set one dimension.
- 4. Download — Preview the resized result, then download it straight to your device.
Frequently Asked Questions
Does resizing reduce file size too?
Usually yes, since fewer pixels generally means a smaller file — but if you need a specific file size limit (like under 100KB), use our Compress tool after resizing for precise control.
Will resizing make my image blurry?
Shrinking an image rarely causes visible quality loss. Enlarging it significantly beyond its original dimensions can introduce blurriness, since new pixels are being generated rather than captured.
What's the difference between resizing and cropping?
Resizing scales the entire image up or down while keeping all of it visible. Cropping cuts away parts of the image to change its shape or focus. Use our Crop tool if you want to remove part of the image rather than shrink the whole thing.
Is it safe to resize images online?
Yes — on ToolMyPic your image never leaves your device. Resizing happens entirely in your browser, so there's no upload and no privacy risk.