Image resizer
Modify width and height dimensions with pixel-perfect accuracy and aspect ratio preservation.
Editor
Adjust size, preview, and export directly in the browser.
Target size
Output size in pixels.
Higher values usually create larger files.
Preview
Check the result before downloading.
No image yet
Upload an image to see the resized preview here.
How this tool is meant to help
Modify width and height dimensions with pixel-perfect accuracy and aspect ratio preservation. This page keeps one task in focus so you can move from input to output without jumping between tabs.
Typical workflow
Start with clean source data, review the live result, and export only after the output matches your goal.
Quality checks
Look for edge cases, confirm the formatting, and compare the result with a related utility when you need a second pass.
Related Utilities
Image compressor, Image cropper, Image to WebP converter. This page keeps one task in focus so you can move from input to output without jumping between tabs.
Related Utilities
Image compressor
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Select specific regions of an image to remove unwanted edges or focus on a particular subject.
Open Toolarrow_forwardImage to WebP converter
Modernize your assets by converting JPG or PNG files to the highly efficient WebP web format.
Open Toolarrow_forwardPrecision
Resize images entirely in the browser with precise width and height controls. Lock the aspect ratio for faithful scaling or unlock it when you need an exact custom box.
Pixel-accurate scaling
Resize with high-quality canvas resampling so the output stays sharp, stable, and on size.
Local processing
All processing runs locally in your browser, so your file never needs to be uploaded to a server.