Resize Your Images

Supported formats: JPG/JPEG, PNG, SVG, WebP, HEIC, AVIF
Insert limit: 10 images,Max: 30MB,Min: 5KB
drop-zone

Load Images

Drag & drop, paste, or click tobrowse

Target File Size

Need a file under 50KB? Just type the target size, and our smart algorithm automatically adjusts compression to fit your limit.

100% Client-Side Privacy

Your photos never leave your device. All processing happens locally in your browser, ensuring 100% privacy and security.

Next-Gen Format Support

Modern support for all major formats. Convert and compress JPG/JPEG, PNG, SVG, WebP, AVIF, and HEIC formats.

Batch Processing

Resize upto 10 images at once. Drag and drop your entire album and watch them process in parallel.

Auto-Save & Resume

Accidentally closed the tab? No problem. Your work is automatically saved locally so you can pick up right where you left off.

No Internet Required

Works completely offline. Once loaded, you don't need an internet connection to resize your images.

How to Use ImgReducer

Optimizing your images for the web has never been easier. ImgReducer provides a seamless, client-side experience that respects your privacy while delivering top-tier compression results. Follow this simple guide to get started.

Step 1: Uploading your images

To begin, simply drag and drop/paste/click to upload your images into the designated drop zone at the top of the page. ImgReducer supports a wide variety of formats including JPG, PNG, SVG, WebP, AVIF, and even HEIC files from iPhones. You can upload multiple files at once for batch processing, making it perfect for photographers and developers managing large assets.

Step 2: Choosing compression settings

Once your images are loaded, you have full control over the output. You can choose to compress by Target Filesize (e.g., "50KB") or by Quality Percentage. If you need images for a specific platform with strict size limits (like email attachments or government portals), simply enter the desired size, and our algorithm will iteratively adjust the quality to match it. You can easily convert image formats, such as changing a heavy PNG into a lightweight WebP, with just one click.

Step 3: Downloading

Once you are satisfied with your compression settings:

  • Click the Download button on an image card. the button will show "Processing..." while the image is being processed.
  • Once processing is successful, the button text will change to "Saved".
  • Your image(s) will be automatically downloaded to your system.
  • Downloaded images will be in the selected size and format.
  • You can click Download on multiple images, they will be downloaded one by one in a queue.

Frequently Asked Questions

Is it safe to use ImgReducer?

Yes, absolutely. Unlike other online tools that upload your photos to a remote server for processing, ImgReducer runs entirely in your browser using modern WebAssembly technology. This means your images never leave your device. You can even disconnect from the internet after loading the page, and the tool will still work perfectly. Your privacy is our top priority.

What image formats are supported?

We support all modern image formats. You can upload JPG/JPEG, PNG, WebP, AVIF, SVG, and HEIC. The tool can convert between these formats as well. For example, you can convert a batch of HEIC photos from your iPhone directly to JPEG or WebP for better compatibility with websites and Windows devices.

Does compression reduce image quality?

It depends on the method you choose. Lossless compression reduces file size without removing any image data, keeping the quality 100% identical to the original. Lossy compression(which we use for high reduction) intelligently removes data that the human eye cannot easily perceive. Our advanced algorithms ensure that even with significant size reduction, your images look crisp and professional to the naked eye.

Is this tool free?

Yes, ImgReducer is 100% free to use for both personal and commercial projects. There are no hidden fees, watermarks, or daily limits. We rely on ads to keep the website running and the tool free for everyone.

Learn About Image Optimization

Why use WebP instead of PNG or JPEG?

WebP is a modern image format developed by Google that provides superior lossless and lossy compression for images on the web. On average, WebP images are 26% smaller than PNGs and 25-34% smaller than comparable JPEGs at equivalent SSIM quality index.

Using WebP makes your website load faster, which is a crucial factor for SEO (Search Engine Optimization) and user experience. Faster sites rank higher in Google search results and have lower bounce rates. ImgReducer makes it incredibly easy to modernize your website by converting your old library of JPEGs and PNGs into highly efficient WebP files.

The difference between Lossy and Lossless compression

Understanding the difference between these two compression types is key to getting the best results.

Lossless compression allows the original data to be perfectly reconstructed from the compressed data. No pixel information is lost. This is ideal for archiving images, medical imaging, or technical drawings where precision is paramount. However, the file size reduction is usually moderate.

Lossy compression significantly reduces file size by permanently eliminating certain information, especially redundant data. This is used for standard JPEG and WebP compression. By adjusting the "quality" slider, you decide how much data to discard. For the web, lossy compression is preferred because it can reduce file sizes by up to 90% with very little noticeable difference to the user, drastically speeding up page loads.