Can we merge or Combine or Join PDF files online without using any software?

Yes, this days there are many online websites like Merge PDF online tool where you can merge or join or combine pdf files for free without any use of software or registrations.
You can use this PDF Merge online tool by following below steps:

• Go to the website http://onlinepdfmerge.com/
• Select at least two PDF files
• Then click on Start merging button after processing, your Merged pdf file will be downloaded automatically.
• Please read all the privacy and terms before using it.
• It is completely free service which doesn’t need any registration
• If you want to merge more files you can click on reset button to start merging other files 

Also if you come across any other good online pdf merging tools then please post the details in the below comment section.