Image Resizer
Resize an image to exact dimensions, preserve its aspect ratio and export as JPG, PNG or WebP.
Your images are processed locally in your browser and are never uploaded to our servers.
25 MB · 40 megapixels maximum
PNG uses lossless encoding; the quality slider has no effect. JPEG transparency is replaced by white. Metadata is not retained.
How to use this tool
Upload an image, enter its width or height and choose whether to keep proportions. Select a format and resize.
What to know
Enlarging a small image cannot recover missing detail. JPEG removes transparency; transparent pixels are placed on white.
Frequently asked questions
How do I use Image Resizer?
Upload an image, enter its width or height and choose whether to keep proportions. Select a format and resize.
What should I check before using the result?
Enlarging a small image cannot recover missing detail. JPEG removes transparency; transparent pixels are placed on white.
Is an account required?
No. This tool is free and the calculation takes place in your browser.