Mass Image Compressor is an open source bulk image optimization software. You can convert image format, resize/compress/watermark photos of an entire folder in single click. \nThis software is around for 15+ years supporting and evolving overt time to support latest image formats and improved based on community feedback. \nWe can achieve up to 90%+ reduction in RAW to JPEG conversions, and 50%+ reduction for PNGs. Supports advanced compression for WebP and AVIF. Handles formats like Canon CR2/CR3, Sony ARW, Nikon NEF, Fuji RAF, Panasonic RW2, and many more.\n\nPixel-perfect Preview: Compare original vs compressed image preview to adjust your compression settings. State of the art interface supports pixel to pixel comparison of original and compressed output so you can optimize your images with confidence. \n\n*** Supported output formats *** \n - JPEG, PNG, WebP, AVIF, GIF.\n - Resize, Optimize and Convert animated images with ease. \n\n*** Supported input formats ***\n jpg, jpeg, png, webp, gif, tif, tiff, avif, heic, jp2, bmp, arw (Sony), dng (Adobe and many other camera models), nef (Nikon), cr2/cr3/crw (Canon), dcr (Kodak), mrw (Minolta), orf (Olympus), raf (Fujifilm), pef (Pentax), raw, rw2 (Panasonic), srw (Samsung), erf (Epson), 3fr (Hasselblad), kdc/mos/mef.\n\n\n*** Smart Output Options ***\nReplace originals, keep next to source, output to custom folder, or auto-sort into “Compressed” directory with file renaming support.\n\n** How to Use **\nDrag & drop files or folders, configure simple yet powerful settings, and you're done.\n\n** Power Features **\n - Metadata Control: Copy EXIF, IPTC, XMP – or exclude sensitive info like GPS & camera serials.\n - File Selection Flexibility: Use GUI toggles or RegEx filters on name/size.\n - Output Naming: Add suffix/prefix or replace text dynamically.\n - Resizing Mastery: Percentage, long edge, print dimensions, or generate 1x/2x/3x assets for apps/web.\n - Watermark Images \n\nPrivacy Policy: https://mic.cognirush.com/privacy-policy-mic-windows-os/\nTerms & Conditions: https://mic.cognirush.com/terms-and-condition-for-windows-version/\nFor Source and Credits: https://github.com/Cognirush-Labs-LLP/icompress-win