PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
ClangFormat - A tool to format C/C++/Java/JavaScript/Objective-C/Protobuf code.
DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
Artistic Style - astyle, code formatting
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Code Beautifier - Code Beautifier CSS Formatter and Optimiser - Online CSS parser and Optimiser