Resize Image
Change any image to the exact dimensions you need. Aspect-ratio lock keeps proportions, optional format conversion on the way out. All local, no upload.
Runs locally in your browser
Drop an image, paste, or click to choose
Ctrl/⌘V to paste from clipboard
How to use Resize Image
- Open the image you want to resize.
- Enter a new width or height — the aspect-ratio lock keeps proportions.
- Pick the output format (original, WebP, JPEG or PNG) and download.
Common use cases
- Shrink photos to meet an upload size limit.
- Produce exact pixel dimensions for a marketplace listing.
- Downscale screenshots before embedding them in docs.
- Convert the format while resizing in one pass.
Good to know
- Upscaling cannot invent detail that is not in the original.
- Resizing works one image at a time; use the compressor for batches.
- Output formats are WebP, JPEG, PNG or the original.
What you can do next
FAQ
Is my image uploaded?
No. Resizing uses your browser's Canvas — the image never leaves your device.
Does enlarging improve quality?
Upscaling can't add real detail. For sharp results, start from a larger original; to shrink files, try the Image Compressor.
Which output format should I pick?
Keep original if unsure. WebP is smallest for the web, JPEG for compatibility, PNG for transparency.