PDFOptim vs Viber
A side-by-side look at PDFOptim and Viber. For an in-depth review of either product, follow the links below.
PDFOptim
Office & Productivity
PDFOptim is a free open source software that optimizes PDF files by reducing the file size. It works by analyzing the internal structure of the PDF, removing unnecessary metadata, compressing images and fonts, and performing other size reduction optimizations.
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Viber
Social & Communications
Viber is a free messaging and calling app for smartphones. It uses your phone number to connect you with people in your contacts and allows free calls, texts, photos and video messages over WiFi.
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