We support a wide range of textual and non-textual file types including the following: txt, pdf, docx, doc, rtf, xml, pptx, ppt, odt, chm, epub, odp, ppsx, pages, xlsx, xls, csv, LaTeX
We support URL formats: HTML, TXT(UTF8 encoded) files
Code files are supported in: C#, Java, Python, HTML, XML, GO, C, C++, Javascript, Swift, Ruby, PHP, Perl, Scala
For a complete list and the file sizes that are supported, visit our page on technical specifications here.