The Need for PDF Compressors
PDF or Portable Document Format has revolutionized the way we view and share files across the web. PDF has now become a widely accepted standard due to its device-independent features. Almost every presentation or document that we create is converted into PDF. Often these files increase in size due to a number of images, colors, fonts, styles, audio and video that we embed in the pages. This is unavoidable at times due to the nature of the document. Large files are slow to transfer over the web and a sure way to deter any prospective clients. To reduce files to a convenient size we need to use a PDF compressor, which will also address the issue of storage. PDF compressors are software programs that compress PDF files without any loss to data.
Types of PDF Compressors
PDF compressors adopt lossless or lossy compression methods. In lossless compression, no data is lost and the quality of the images remains the same. Lossy compression involves loss of resolution to a certain extent. Images are reduced to about half their original size but do not retain their format on decompression. Depending on the type of document there are various techniques of compression, which involves the use of algorithms such as Flate, RunLength Encoding (RLE), JPEG, and Zip. The level of compression depends on the technique used. Apart from a large number of business users, healthcare and legal professionals, and government agencies also make extensive use of PDF compressors.
Evaluating PDF Compressors
The ideal place to find a PDF compressor is online. Download and take advantage of free trials that most developers offer. Test them on your documents so that you will get a better idea of their capabilities. If you need to compress a large number of documents at a time, choose one that allows batch processing and merging of multiple documents into a single PDF. Security settings in the form of passwords and permissions are essential. There are also several free PDF compressors available online. Your choice totally depends on the number of files you need to compress. Make sure you test the ability of the program to retain the format on decompression.