Image Tools

Image Resizer

Resize images online in your browser with custom dimensions and aspect ratio controls.

Quick answer

Resize images online without installing software. Upload an image, set custom dimensions, keep the aspect ratio if needed, preview the result, and download the resized file instantly.

Overview

This browser-based image resizer lets you change image width and height quickly and accurately. It is ideal for preparing photos for websites, social media, email, and documents while keeping the workflow simple and private on the client side.

Use cases

  • Resize photos for websites and blogs.
  • Make images smaller for email sharing.
  • Prepare social media graphics in exact dimensions.
  • Adjust product images for ecommerce listings.
  • Create lightweight images for documents and presentations.

How it works

  1. 1

    Upload an image file from your device.

  2. 2

    Enter the desired width and height.

  3. 3

    Lock the aspect ratio to avoid distortion.

  4. 4

    Preview the resized image in your browser.

  5. 5

    Download the output file when it looks right.

Examples

Resize a profile photo

Input: 1200 × 1200 px

Output: 400 × 400 px

Reduce a square image for avatars and profile pictures.

Prepare a web banner

Input: 2400 × 1200 px

Output: 1200 × 600 px

Create a smaller version for faster page loading.

FAQ

Does the image resizer work in the browser?

Yes. The resizing happens client-side in your browser for a fast and private workflow.

Can I keep the original aspect ratio?

Yes. Use the aspect ratio lock to resize without stretching the image.

Will the tool reduce image quality?

You can resize images while preserving visual quality as much as possible, depending on the source file and output size.

Do I need to install anything?

No. The tool works online and does not require any installation.

Image Resizer Online | Resize Images in Browser | ConvertBase.app