How to Resize, Compress, and Convert Images (Free & Online)

Whether you're building a website, sending an email, or just trying to save disk space, large image files can be a real problem. You might need to convert a PNG to a JPG for a smaller file size, or resize a giant photo to fit a blog post, or compress an image to make your website load faster.

This guide shows you how to do all three—resize, compress, and convert—using the free and secure conver.tr Image Toolkit.

Graphic showing resizing, compression, and format conversion of images

What Can The Image Toolkit Do?

The Image Toolkit is your all-in-one solution for common image tasks. And just like our PDF tool, it's 100% private. Your image is never uploaded to a server; all processing happens right on your computer.

  • Resize: Change the dimensions (width and height) of your image. You can lock the aspect ratio to prevent stretching.
  • Convert: Change the file format. Easily convert between JPG, PNG, and WEBP.
  • Compress: Drastically reduce file size by adjusting the quality. This is perfect for web formats like JPG and WEBP.

How to Use the Image Toolkit

In just a few clicks, you can completely transform your image.

Step-by-Step Guide

  1. Go to the Tool

    First, open the Image Toolkit. Click the button below to go straight there (it's the second tab!).

    Go to Image Toolkit
  2. Upload Your Image

    You can either drag and drop your image file (PNG, JPG, WEBP, etc.) directly onto the drop zone, or click the "Choose Image" button. The toolkit handles one image at a time for precise control.

  3. Choose Your Settings

    Once your image preview appears, you can adjust the settings:

    • To Resize: Enter your new Width or Height in the input boxes. Click the lock icon to toggle the aspect ratio lock on or off.
    • To Convert: Select your desired format (JPG, PNG, or WEBP) from the "Convert to:" dropdown menu.
    • To Compress: If you select JPG or WEBP, a "Quality" slider will appear. Drag it to the left to increase compression (smaller file size) or to the right for higher quality (larger file size). A value around 80-90% is usually a great balance.
  4. Convert & Download

    When you're ready, click the green "Convert & Download" button. The tool will process your image with the new settings and your browser will download the new file. It's that simple!

Ready to Optimize Your Images?

Stop sending oversized files or using slow, clunky software. Get your images web-ready in seconds. It's free, secure, and all in your browser.

Try the Image Toolkit Now!