Exact dimensions • Exact KB • Browser-based

Free Online Image Resizer

Resize to exact dimensions and, when needed, a maximum file size — automatically. Crop, fit, verify and download in your browser.

✓ No signup✓ Private✓ Verified result

Drop an image here

or click to choose a file

JPG • PNG • WebP • Up to 25 MB

Images are processed in your browser

Popular Image Sizes

Quick presets for social media, web and more.

Popular Aspect Ratios

Common aspect ratios for any purpose.

View All Aspect Ratios →

Photo Sizes

Standard sizes for print and documents.

How ResizeDock Works

Resize your images in three simple steps.

1

Upload

Choose or drag an image into the tool.

2

Resize

Set a size, aspect ratio or use a preset.

3

Download

Get your resized image instantly.

Why Use ResizeDock

A better way to resize images online.

Fast

Resize images instantly in your browser.

Private

Your images never need to leave your device.

Free

Core image resizing tools are free to use.

Simple

A clean interface focused on the job.

More Tools

More focused image tools are coming to ResizeDock.

Crop Image Trim and crop images with precision.Compress Image Reduce file size while keeping quality.Bulk ResizeResize up to 50 images in one workflow.Convert Image Convert between popular image formats.DPI Tools Check and adjust print resolution.

Frequently Asked Questions

Quick answers to common questions.

Is ResizeDock free to use?

Yes. The core image resizing experience is designed to be free and easy to use.

Are my images uploaded to a server?

Supported images are processed directly in your browser and do not need to be uploaded to our servers.

What formats are supported?

JPG, PNG and WebP are supported by the current image resizer.