Tcpdf is described as 'TCPDF: Open Source PHP Class for generating PDF' and is an app. There are more than 10 alternatives to Tcpdf for a variety of platforms, including Online / Web-based, SaaS, Linux, Mac and Windows. The best alternative is PDFShift. It's not free, so if you're looking for a free alternative, you could try Docamatic or PDFler. Other great apps like Tcpdf are Document Cyborg, PDFSwitch, html2pdf.it and cloudlayer.io.
Easily generate high quality PDF documents (and images) from HTML or templates. Fast, scalable and privacy focused PDF generation API. Save directly to your own S3 bucket if desired. Send documents via email at the time of creation.