The best open source alternative to PDF Compressor is FileOptimizer. If that doesn't suit you, our users have ranked more than 25 alternatives to PDF Compressor and three of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to PDF Compressor are workerPdf and Minimal PDF Compress.
FileOptimizer is a lossless file size optimizer supporting AIR, APK, APNG APPX, BMP, CBZ, DOCX, DLL, EPUB, EXE, GIF, GZ, ICO, JAR, JPEG, MNG, MP3, MPP, PNG, PPTX, ODT, OGG, OGV, PDF, PUB, SCR, SWF, TIF, VSD, WEBP, XAP, XLSX, and ZIP file formats among others.
Graphical interface for PDF compression, merging multiple files, rearranging and rotating pages, creating PDFs from images, converting PDFs to various image formats, as well as encrypting or decrypting documents. Enables batch processing and general editing tasks.
Comprehensive PDF utility enabling advanced lossy, lossless, and archival compression, high-resolution image conversion, page rotation or deletion, merging, splitting, and batch processing, all with a minimal interface, offline operation, and cross-platform support.
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