The top 5 PDF optimizer tools to compress files are Adobe Acrobat Pro, Smallpdf, iLovePDF, Nitro PDF Pro, and PDF24 Creator, chosen for their balance of file-size reduction, image preservation, and processing speed. PDF optimizers lower document size by downsampling heavy images, stripping embedded metadata, and discarding unnecessary document objects. Overview of Top 5 PDF Optimizers
Top PDF compression solutions: Quality meets efficiency – Blog