Optimize – Resize – Convert Images in Bulk

Download Mass Image Compressor on Mac App Store

Quickly compress and resize multiple images while keeping quality intact. Mass Image Compressor drastically reduces file size for easy sharing without losing details

Quickly compress, resize, and optimize images for various purposes. Bulk compress images, reduce size without sacrificing quality, and maintain metadata.

High-quality, bulk image compression for photographers. Reduce file sizes, maintain EXIF data, and deliver photos quickly with no loss in quality.

Optimize images for web, email, and social media. Drastically reduce size, convert to web-friendly formats, and preview before compression.

Best on macOS

Download Mass Image Compressor on Mac App Store

The most reliable way to Optimize – Resize – Convert Images in bulk

Mac App Features

  • Bulk Image Compression in matter of clicks
  • Drag and drop images and folders! No fuss.
  • Extensive support for input image formats: jpg/jpeg, jp2, tiff/tif (Tagged Image File Format), gif, png, bmp, heif/heic (High Efficiency Image Format), webp, cr2/cr3 (Canon Camera), nef (Nikon Camera), orf (Olympus Camera), arw (Sony Camera), raf (Fujifilm Camera), rw2 (Panasonic Camera), dng (Digital Negative), psd (Photoshop Document), srw (Samsung Raw)
  • Unmatched output format list: JPEG, PNG, HEIC, WebP, GIF
  • Supports input and output of animated PNG, GIF, WebP and multi-framed HEIC
  • Blazing fast and high quality compression
  • Preserves image Metadata (EXIF Tags)
  • Pro subscribers can use keyboard short-cuts, advanced filtering options and resize the image based on target print sizes
Main window of Mass Image Compressor (Windows)

Award Winning

Windows App

Download Mass Image Compressor
Download Mass Image CompressorDownload Mass Image Compressor

Mass Image Compressor is proud to have received the ‘Open Source Excellence’ award by SourceForge. This award reflects our commitment to delivering valuable tools. Commercial products exist, but focus remains on accessible, high-quality solutions, prioritizing people over profit.

Windows App Features

  • Easy to use UI: Everything on one window – everything visible
  • Reduces considerable (>90%) image size by adjusting Image dimensions and quality.
  • Extremely Ease of use: Drag & Drop
  • Reduce all images in a folder with just single click. macOS version supports adding multiple images/folders.
  • Can recursively resize/compress files in given folder and sub-folders.
  • Blazing fast and high quality compression
  • Preserves image Metadata (EXIF Tags)
  • Support RAW formats of most cameras
  • Saves progressive JPEG for faster page load and higher page rank

It’s hard to find difference!

Move the switch to look at sample compression.

Original
Compressed

Original 345 KB

Compressed 89 KB (74% Reduction)