Image Size Reducer and Resizer

Compress and resize images efficiently with our free online tool. Reduce file sizes without losing quality, resize by percentage or specific dimensions, and download in multiple formats including JPEG, PNG, and WEBP.

Drop your image here

or click to browse

Supports: JPEG, PNG, WEBP

Drop multiple images here

or click to browse multiple files

Supports: JPEG, PNG, WEBP � Max 20 files at once

Drop image to convert format

or click to browse

Supports: JPEG, PNG, WEBP, GIF, BMP

The Ultimate Image Compressor & Resizer: Reduce Size Without Losing Quality

Large image files are a common problem in a digital world. They slow down your website, are too big to send over email, and often exceed the upload limits on social media and web forms. The solution is to optimize your images, but how do you reduce file size without turning your beautiful photos into a pixelated mess?

Welcome to the Image Size Reducer, an all-in-one online tool designed to give you complete control over your images. This isn't just a simple compressor; it's a 3-in-1 image optimization suite. You can Resize & Compress a single image with a live preview, Batch Process up to 20 images at once, or quickly Convert Image Formats. Best of all, it's fast, free, and completely private�all processing happens in your browser.

Why Our Image Optimizer is the Best Choice

This tool is built to provide professional-grade results with an easy-to-use interface.

  • Three Tools in One: Get a complete image toolkit. Seamlessly switch between a detailed single Image Resizer & Compressor, a time-saving Batch Processor, and a simple Format Converter.
  • Powerful Batch Processing: Stop editing images one by one. Upload up to 20 images, apply universal settings for resizing and quality, and download all your optimized images in a single, convenient ZIP file.
  • Visual "Before & After" Comparison: Never guess about quality loss again. Our unique comparison slider lets you instantly see the original and processed images side-by-side, so you can find the perfect balance between file size and image quality.
  • Total Control Over Optimization: You decide how your image is processed. Resize by specific pixel Dimensions or by Percentage, fine-tune the compression Quality with a simple slider, and choose your output format from JPEG, PNG, or WEBP.
  • 100% Private and Secure: Your images are your own. This tool works entirely within your web browser. Your files are never uploaded to a server, ensuring your privacy and data are completely secure.

How to Optimize Your Images: A Full Guide

To get started, simply click the tab for the task you need to accomplish.

1. To Resize & Compress a Single Image

  1. Upload Your Image: Drag and drop your image into the upload area or click to browse your computer.
  2. Set Your Options: Resize by Percentage or Dimensions, adjust the Quality slider, and select your output Format.
  3. Preview and Process: Click "Process Image." Use the comparison slider to check the quality and see the new file size.
  4. Download: Once you're happy, click "Download Result".

2. To Batch Process Multiple Images

  1. Upload Your Images: Drag and drop multiple images (up to 20) into the batch upload area.
  2. Apply Batch Settings: Define the universal settings for resizing, quality, and output format.
  3. Process and Download: Click "Process All Images," then click "Download ZIP" to save all optimized images.

3. To Quickly Convert an Image Format

  1. Upload an Image: Drop the image you want to convert into the format converter upload area.
  2. Choose a New Format: Select whether you want to convert to JPEG, PNG, or WEBP.
  3. Convert and Download: Click "Convert Format," then click "Download Converted".

Frequently Asked Questions (FAQ)

1. What is the difference between resizing and compressing an image?

Resizing changes the physical dimensions of an image (its width and height in pixels). Compressing reduces the file size (in kilobytes or megabytes) by intelligently removing unnecessary data, which is controlled by the "Quality" slider. For the biggest size reduction, you often do both.

2. Will I lose image quality?

You have full control. For JPEG and WEBP formats, reducing the quality slider will result in a smaller file but some loss of quality. The "Before & After" slider allows you to find the highest possible quality for the smallest possible file size. PNG is a "lossless" format, so its quality will not degrade, but its file sizes are typically larger.

3. Are my images safe and private?

Yes, 100%. This tool processes all images directly on your computer, in your browser. Your files are never sent over the internet or stored on any server, guaranteeing your privacy.

4. What image formats are supported?

You can upload JPEG, PNG, and WEBP files for resizing and compression. The format converter supports even more, including GIF and BMP. You can export your final images as JPEG, PNG, or WEBP.