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Image Resizer

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Resize images to exact pixel dimensions with an optional aspect ratio lock.

Drop an image or click to browse

How to use Image Resizer

1. Paste or type your input in the box above.
2. The tool processes your input instantly — no button click needed in most tools.
3. Copy the output or download the result.

Will resizing reduce quality?

Enlarging an image may reduce sharpness. Reducing size (downscaling) generally maintains quality well.

Crop images online with precise pixel controls. No upload needed — works in your browser.

Compress images to reduce file size without visible quality loss. Shows before/after size savings.

Calculate image aspect ratios, scale dimensions proportionally, and find the CSS padding-top trick.