Mass Image Compressor is a bulk image compression and resize tool open source project hosted on Source Forge which is one of the biggest platform for Open Source software.

Purpose

Mass Image Compressor is for compressing and resizing all image within a folders (and optionally its sub-folders). You can reduce all images in a folder and sub-folders with just single click – saving your time and peaceful life 😌

Why Mass Image Compressor?

• It does what it says, and does it really well! Much better than the highly paid software available in market today. Also, it support raw image format of YOUR camera.
• It’s truly free. It’s published under GNU/GPL license for Open Source Software. Source code is open to see, share and use under this license.
• Unlike other software, you don’t have to go to each image and say ‘compress it’. Just drag a folder to the window and you are all set. We can find all images with in the folder and its sub-folders.
• Compress with control! You have control over quality and dimension (i.e. Compression Parameters) of the output images. You can evaluate and adjust your compression parameters by previewing an image.
• Supports wide range of inputs including most popular JPEG, BMP, WMF, TIFF, PNG. Full list: JPG/JPEG, PNG, BMP, RLE, DIB, GIF, TIF, TIFF, WMF, 3FR, ARI, ARW, BAY, CRW, CR2, CAP, DCS, DCR, DNG, DRF, EIP, ERF, FFF, IIQ, K25, KDC, MDC, MEF, MOS, MRW, NEF, NRW, OBM, ORF, PEF, PTX, PXN, R3D, RAF, RAW, RWL, RW2, RWZ, SR2, SRF, SRW, X3F
  (Note: Output images will be in either JEPG or PNG based on the option selected)
• No Spyware. You cannot make a trojan horse made of glass 🤠 Our source is free for anyone to check. Also, our business model doesn’t require us selling user data.

Recognitions

While Mass Image Compressor has received “Open Source Excellence” award from SourceForge.

Support & Feedback

You may give public feedback (as comment) or contact us.