Image Tools

Image Resizer

Resize an image online and change its dimensions to exact pixels. Use ready made social media presets or set your own size, all processed locally in your browser without losing quality.

Drag and drop your image here

Or tap to browse. Your file stays on this device.

About Image Resizer

Image Resizer lets you resize an image online and change its dimensions to an exact pixel width and height in seconds. Use the built-in presets to resize a photo for social media platforms, or type in custom dimensions for a website hero image, thumbnail, or print layout.

Unlike server-based resizers that copy your files to a remote machine, this tool processes everything locally in your browser using the Canvas API. Your photos stay on your device and are never uploaded or seen by anyone else.

Features and Benefits

Aspect Ratio Lock

Prevent stretching and distortion by keeping width and height perfectly proportioned.

Social Media Presets

Jump straight to common sizes for Instagram, X, and Facebook without looking up pixel dimensions.

Before and After

Switch the preview between the original and the resized file to check quality before you download.

Format Conversion

Export as PNG, JPG, or WebP in the same step, so resizing and converting happen together.

Who Should Use This

This tool is useful for:

Developers preparing exact pixel assets for responsive websites.
Designers fitting images to precise layout dimensions.
Content creatorsresizing photos to match each platform's recommended dimensions.
Businesses keeping product photos consistent across a storefront.
Students resizing images for reports, presentations, and portfolios.

Privacy First

This tool is built on a strict privacy-first approach using a client-side architecture. Your images and chosen settings are processed entirely inside your browser. Nothing is uploaded, stored, or transmitted to a server, so your workflow stays fast, secure, and private.

How to Resize an Image

Add your image. Drop your photo or graphic into the upload area, or tap to browse for it on your device.
Set the dimensions. Enter a target width or height in pixels, or pick a quick preset such as Instagram Post or X Post.
Keep the proportions. Leave Lock aspect ratio on so the image resizes without stretching or distorting.
Resize and download. Tap Resize Image, check the result in the preview, and download the new file.

Frequently Asked Questions

Yes, this image resizer is completely free with no registration, watermarks, or hidden charges. You can resize as many photos as you need at no cost, directly in your browser.

No, your files never leave your device. This tool resizes photos locally using your browser's Canvas API, so nothing is uploaded, stored, or seen by anyone else while you change image dimensions.

Pick one of the built-in presets for Instagram, X, or Facebook, or type in exact pixel dimensions yourself. The tool then scales your photo to those pixels while keeping the output sharp.

Turn on Lock Aspect Ratio before you change the width or height. The other dimension then updates automatically to match the original proportions, so you resize image without losing quality or distorting it.

You can resize JPG, PNG, and WebP images, and export the result in any of those three formats. This makes it easy to resize photo for social media and switch formats in the same step.

Yes, the resizer is built for touch. The preview stays on screen while you adjust the dimensions, and the Resize button stays pinned within thumb reach at the bottom of the screen, so you never have to scroll back and forth to apply a change.