Sites and apps similar to KissPDF include Sejda, which has a free version. Other options are Smallpdf, iLovePDF, Online2PDF.com and CleverPDF. You can choose from more than 10 PDF Editors like KissPDF for Windows, Mac, Android, iPhone and iPad.
Here you can convert files into pdf format and merge pdf files and split the pdf files. The advantage of this site is you may convert any number of files with free of cost. there is no paid membership.
CIB PDF Standaline is an online service to work with PDF files completely free and easy to use. Compress PDF, split PDF, merge PDF, PDF to JPG and many more! All is done without uploads and downloads directly by pdf processing in the website.
