PrimoPDF is developed by Nitro PDF which is an application which can convert more than 300 types of files into PDF format, after conversion, you can combine all the PDFs as well. It also supports encryption. But for more features you need to buy Nitro Pro.
PrimoOnline is also developed by Nitro PDF. But the difference from PrimoPDF is it creates PDF files online; you should enter your Email address for getting your converted files.
3. PDF Converter
It is the same with PrimoOnline, PDF Converter is developed by Balsoft which is used to create PDF document online. You can convert MS Office document, images and other files into PDF by using it.
4. PDF24 online PDF Converter
It is an online PDF converter developed by PDF24, it works the same with PrimoOnline and PDF Converter.
5. PDF Hammer
PDF Hammer is an online using tool as well. But it is used to edit your PDF files. You can quickly rearrange, reorder, and delete the pages from the existed files. And you can also combine and encrypt you PDF document.
6. Some PDF to Word
Some PDF to Word is a free PDF to Word converter created by SomePDF. It can support you to convert a bath of PDF documents into Word format with your original layout; meanwhile, you can choose to have images or delete graphics and pictures from the generated Word document. It also supports to decrypt PDF document.
Download Link: http://www.brothersoft.com/d.php?soft_id=98575&url=http%3A%2F%2Fwww.somepdf.com%2Fpdf2word_setup.exe
7. Simpo PDF to Text
Simpo Technologies created Simpo PDF to Text which can convert PDF document into Text for free, and it will not change your original layout. Additionally, it is compatible with Mac, Unix as well.
Download Link: http://www.simpopdf.com/pdf-to-text.html