Image Resizer

Resize to any dimensions.

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Resize to any dimensions.

How to use Image Resizer

  1. Upload a PNG, JPG, WebP, or GIF from your device
  2. Type a new width and height, keeping proportions locked if wanted
  3. Download the resized image as a clean PNG
Want the how & why?Read: How to Resize an Image Without Making It Blurry →
Try next →Image CompressorShrink image file size.

About Image Resizer

Image Resizer changes the pixel dimensions of any photo without opening Canva, Adobe Express, or another editing app. Drop in a PNG, JPG, WebP, or GIF, then set a new size two ways: type an exact width and height in pixels, or scale by a percentage of the original. Aspect ratio stays locked by default, so a resized picture never comes out stretched — change the width and the height follows to match the source proportions.

Because it works from exact numbers, hitting a specific target is easy. Enter the resolution a form or upload field asks for, or type the dimensions a platform expects — for example 1080x1080 for a square Instagram post — and the tool redraws your photo at that size. It always shows the original versus new dimensions side by side, plus both file sizes, so you can confirm you are shrinking the file before you download. Making an image smaller usually reduces its file size; you can also enlarge past the original, though upscaling has to invent pixels and can look soft.

It is a simple, free image resizer with no account, no watermark, and no cap on how many images you run — freeware in the truest sense, with nothing to install and nothing to pay. Every resize happens on your own device using the browser canvas, so your image is never uploaded to a server and stays completely private.

Frequently asked questions

Is the Image Resizer free to use?
Yes, it is completely free with no account, no watermark, and no usage limits. You can resize as many images as you want.
Is my image uploaded to a server?
No. All processing happens locally in your browser using the HTML canvas. Your image never leaves your device, which keeps it private and makes resizing instant.
How do I resize an image to exact dimensions?
Type the width and height you want in pixels and the tool redraws your image at that exact size. With aspect ratio locked, entering one value fills in the other automatically; unlock it if you deliberately need a non-proportional size.
Can I resize by percentage instead of typing pixels?
Yes. You can scale the image to a percentage of its original size — for example 50% to halve it — instead of entering exact pixel numbers. That is handy when you just want the image smaller and have no specific target dimension in mind.
How do I keep my image from looking stretched?
Leave the 'Lock aspect ratio' checkbox on, which it is by default. When you change the width, the height updates automatically to preserve the original proportions, so the image stays undistorted.
Can I change an image's resolution?
This tool resizes the pixel dimensions of the image, which is what most people mean by resolution — the number of pixels wide and tall. Set the width and height you need and it exports at that size. It changes the actual pixel resolution rather than editing print DPI metadata.
What size should an image be for Instagram?
Common Instagram sizes are 1080x1080 pixels for a square post, 1080x1350 for a portrait post, and 1080x1920 for a Story or Reel. Type those numbers into the width and height fields and the tool resizes to match — there are no built-in presets, so you enter the dimensions yourself.
What image formats can I upload?
You can upload any format your browser supports, including PNG, JPG/JPEG, WebP, GIF, and BMP. The resized image is exported as a PNG.
Does resizing reduce the file size?
Often yes. Making the pixel dimensions smaller usually produces a smaller file. The tool shows both the original and resized file sizes so you can compare before downloading.
Can I make an image larger than the original?
Yes, you can enter dimensions larger than the original. Keep in mind that enlarging beyond the source resolution can look soft, since the browser has to interpolate new pixels.
Is this the same as the Canva or Adobe Express image resizer?
It does the same core job of changing an image's dimensions, but with no account, no app, and nothing uploaded to a design platform. It is a single-purpose resizer rather than a full editor, which makes it faster when all you need is a smaller or specific-sized image.
Do I need to install any software?
No. It runs entirely in your web browser, so there is nothing to download or install and it is free with no sign-up. Open the page, pick an image, and resize.