Resize Image (Dimensions & %)
Resize image dimensions in pixels or percentage with aspect ratio lock and background fill.
About this tool
Scale images to exact dimensions required for social media, avatars, banners, or email newsletters.
How to use this tool
- Upload image
- Enter width/height or adjust percentage slider
- Download resized image
How it works
Renders the source image onto a target canvas sized to exact user specifications.
When to use this tool
- Social media profile picture sizing
- Reducing image resolutions for web forms
Frequently asked questions
Can I lock aspect ratio?
Yes, locking aspect ratio automatically adjusts height when width changes.
Does resizing reduce quality?
Yes. Scaling to smaller dimensions loses detail. Use the background fill option when you need a specific canvas size.
Are my images uploaded?
No. The image is resized in your browser, and the result is downloaded from your device.
Limitations
Max dimension is 8,192 pixels.
Privacy
The work happens in your browser, and the input is not sent to us.