– How to edit PDF, edit a PDF, edit PDF files – Adobe Acrobat
There are sites that allows you to upload a file for conversion.
– Convert Color to Grayscale in Adobe Acrobat – Imaging Center
That would remove all color and replace it with greyscale. Please upgrade to continue processing up to links at once. Skip to content Sometimes it can be useful to convert a color PDF to grayscale. Combine Files. Convert PDF to Grayscale.