In this video tutorial we will show you how to grayscale in GIMP.
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Adobe Acrobat provides with various tools for review and editing of documents, form, tables etc. as a Portable Document Format (PDF). It is an effective way of presenting information in a fixed form close to its publishing results. You can also convert Grayscale PDF in case the document has to be used as such. This then makes the document ready for printing. To learn how to convert a PDF to Grayscale, follow this step by step tutorial.