Copyright is a type of legal protection for people who express ideas and information in certain forms. The most common forms are: writing, visual images, music and moving images, and it protects the form or way an idea or information is expressed, not the idea or information itself. The same story goes to pdf file, you are obliged to add copyright information to a pdf to protect your own copyright. The way of adding pdf file copyright information varies differently, you may consider choosing Advanced PDF Tools Command Line, and you deserve to possess it because of its multi functions on editing pdf files.
Step 1 open the following link to download Advanced PDF Tools
https://www.verypdf.com/pdfinfoeditor/advanced_pdf_tools_cmd.zip
please unpack it when download is finished.
Step 2 launch the MS-DOS command prompt window. Because the command line is bound to be operated under the MS-DOS environment. The procedure is easy, the following pictures will guide you.
1) click “start” and then go to “Run”
2) input cmd into as the following picture suggests
3) press “ok”, you will find MS-DOS command prompt window appearing
Step 3 input command line to add copyright information, such as company name, email address and web location, etc..
pdftools -i "C:\input.pdf" -o "C:\output.pdf" -y "/key1(value1) /key2(value2)"
where
- the option -i is to specify a pdf filename or a directory for input
- the option -o to specify the pdf filename for output
- –y to add new custom properties to an existing pdf file and overwrite original custom properties.
key and value are closely related, to the effect, the key is a name and the value will give the detailed full name, such as, OurCompany(VeryPDF Company). both key and value can be replaced or added according to your needs, for example,
pdftools -i "C:\input.pdf" -o "C:\output.pdf" -y "/OurCompany(VeryPDF Company) /SupportEmail(support@verypdf.com) /OurWebURL(https://www.verypdf.com)"
once the input is finished, press “enter” key, you would see
Step 4 open the file to check whether the copyright information was added, look at the screen snap. Because the copyright belongs to custom property, you will find the copyright information under its directory.
This tool is quite useful and easily operated, you can time if you input fast, you will complete the task less than one minute, which greatly saves you precious time. Please visit www.verypdf.com for your favorable tools to edit pdf files.