pdflayer - Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.

PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.

Doczilla - Effortlessly create stunning PDFs and screenshots. Seamlessly store them in your own AWS or Google Cloud Storage bucket, putting the control and creativity right at your fingertips.

DocuPUB - DocuPUB is an online file converter, file merger, file compressor, and file resizing tool.

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.

PDFill - Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat