First step—Downloading Advanced PDF Tools
Follow this link you will obtain Advanced PDF Tools
The whole package is just of 3.04 MB, making the download swiftly, do remember to extract it, for it is a zipped package.
Second step—Configuring file “compress.ini“
This step is critical, for it contains the optimizing and compressing options list, details are as follows:
1) open the Advanced PDF Tools folder and find file “compress.ini”
2) open the file “compress.ini” and find [monimage] compressformat=2
- 0: Not change; 1: Flate compression; 2: CCITT Group4 compression
where 0 is the default value.
- Set scale ratio to black and white image, the value is from 1 to 100
where 100 is the default value.
you can find number 1 refers to flate compression, so you have to change 2 to 1
3) save the file “compress.ini”
Third step—Launching MS-DOS command prompt window
You are bound to launch MS-DOS command prompt window. Because theis bound to be operated under the MS-DOS environment. The procedure is easy, and the following pictures will guide you.
start the dialog box of “cmd.exe”: press “start”>choose “Run”>input “cmd”>press “ok”
when the following appears, you will have the MS-DOS command prompt window
input compress command line toto
it goes below
pdfcompress.exe -i C:\input.pdf -o C:\output.pdf
- the option -i is to input a PDF file,
- the option -o is to specify a destination file.
when the input is done, press “enter” key, you will finish the task to use flate monochrome to reduce pdf size