Image Resizer — Set the Width and Height, Download in Seconds
Resize an image without uploading it anywhere. Drop a photo into this image resizer, type the pixel width and height you want, and download the result in seconds. Aspect ratio stays locked by default so nothing stretches. Free, in your browser, no signup.
Also works if you searched resize image online, image size reducer, change image size, or image resizer free.
To resize an image, open this image resizer, drop or paste a photo, type the width and height you want (aspect ratio stays locked unless you unlock it), and download. Everything runs in your browser on a canvas, so the file never leaves your device. Free, no signup, up to 15 MB.
- 01
Add your image
Drop a file onto the image resizer, paste from the clipboard with Ctrl+V, or click to browse. The image loads instantly and stays on your device.
- 02
Read the original size
The image resizer shows the original pixel dimensions so you know your starting point before you change anything.
- 03
Set the new width and height
Type the width or height you want. Lock aspect ratio is on by default, so the other value updates automatically and the photo never stretches. Uncheck it if you need an exact non-proportional size.
- 04
Download the resized image
Click Download to save the resized file. The canvas re-samples at high quality, so the smaller image stays sharp.
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Optional: get a shareable link
Click Get shareable link to upload the resized image and copy a URL, handy when you need to send it to someone or paste it into a doc.
Why use an in-browser image resizer?
A browser-based image resizer keeps your photo on your own machine. Most online resizers upload your file to a server, process it there, and hand back a download, which means your image sits on someone else hardware for a while. This image resizer does the whole job on a canvas in your browser, so the file never leaves your device and there is nothing to delete afterward. It is also faster, because there is no upload-then-download round trip. Drop the photo, type the new width and height, and the resized image is ready in a second. The image resizer is free, has no signup, and handles JPEG, PNG, GIF, and WebP up to 15 MB.
Keeping the resized image sharp
When you shrink an image, the resizer re-samples the pixels with high-quality smoothing so edges and text stay clean rather than turning jagged. Lossless sources like PNG stay lossless after resizing. Enlarging an image past its original dimensions cannot add detail that was never captured, so for big upscales an AI upscaler is the better fit. For everyday tasks like fitting a photo to an upload limit, a forum avatar, or a fixed display size, the image resizer gets you an exact pixel size without quality loss you would notice.
Runs in your browser
The resize happens on a canvas on your device. Nothing is uploaded, so the photo stays private and the result is instant.
Lock aspect ratio
Keep proportions automatically while you set one dimension, or unlock for an exact non-proportional size.
Exact pixel control
Type the precise width and height you need in pixels. No guessing with a slider.
High-quality resampling
Downscaling uses high-quality smoothing so the resized image stays sharp rather than blocky.
Every common format
JPEG, PNG, GIF, and WebP up to 15 MB. PNG transparency is preserved.
Free, no signup
No account or watermark, and no upload cap beyond the 15 MB per file limit.
Fitting an upload size limit
A form wants an image under certain dimensions. Resize it to the exact pixels required and download, all without uploading the original anywhere first.
Making a profile picture or avatar
Resize a photo to the square or fixed size a site expects so it is not awkwardly cropped or rejected on upload.
Shrinking a screenshot for a doc
A full-resolution screenshot is too big for a slide or a doc. Resize it down to a sensible width so it fits the layout cleanly.
Preparing images for a faster page
Serving a 4000 pixel photo where 1200 pixels would do wastes bandwidth. Resize to the display size to keep a page light.
Is this image resizer free? +
Yes, completely free. No account, no watermark, and no upload cap beyond the 15 MB per file limit. Resize as many images as you want.
Does the image resizer upload my photo? +
No. The resize runs entirely in your browser on a canvas, so the file never leaves your device. The only time anything is uploaded is if you choose to click Get shareable link.
How do I keep the proportions when resizing? +
Lock aspect ratio is on by default. Type one dimension and the other updates automatically so the photo never stretches. Uncheck it if you need an exact non-proportional size.
What formats can I resize? +
JPEG, PNG, GIF, and WebP. PNG transparency is preserved through the resize. The result downloads in the same family, lossless where the source was lossless.
Is there a file size limit? +
Yes, 15 MB per image. Most photos and screenshots are well under that. If you are over the limit, compress the file first and then resize.
Will resizing reduce the quality? +
Shrinking an image uses high-quality resampling, so the smaller version stays sharp. Enlarging beyond the original size cannot invent detail that was not there, so big upscales are better handled by an upscaler.
Can I resize images on my phone? +
Yes. Open the image resizer in a mobile browser, tap to pick a photo from your library, set the dimensions, and download. It works the same as on desktop.
Can I resize by percentage? +
Set the dimensions directly in pixels. To halve an image, enter half the original width while aspect ratio is locked and the height follows automatically.
Does resizing change the file format? +
No. The resized image keeps its format. If you also need a different format, use the converter to switch to JPG, PNG, or WebP after resizing.