Download Mass Image Compressor

Mass Image Compressor is a free batch image compression tool that lets you reduce the file size of hundreds or thousands of images at once while preserving the best possible visual quality. It supports JPEG, PNG, WebP, and TIFF formats, making it ideal for web developers, photographers, and bloggers who need to optimize large image libraries.

With Mass Image Compressor, you can set a target quality level or file size, choose output formats, and resize images — all in one batch process. Its intelligent compression algorithms deliver impressive size reductions (often 60-80%) with minimal visible quality loss, significantly improving website loading speeds and reducing storage usage.

The drag-and-drop interface and folder-based batch processing make it simple to compress entire photo libraries or website image directories in minutes, without needing any image editing expertise.

Key Features

• Batch compress hundreds of images in JPEG, PNG, WebP, and TIFF formats
• Adjustable quality slider for fine control over size vs. quality trade-off
• Optional image resizing during compression to target dimensions
• Preserves EXIF metadata or strips it to further reduce file size
• Drag-and-drop folders for easy batch processing
• Before/after size comparison for each compressed image
• Free for personal and commercial use

How to Install

1. Click the download button above to get the Mass Image Compressor installer.
2. Run the setup file and follow the on-screen instructions to install.
3. Launch Mass Image Compressor and drag your image folder into the window.
4. Set your desired quality level, output format, and optional resize dimensions.
5. Click “Compress” to start the batch process and save the optimized images.