The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specification from Adobe

Wicked PDF uses the shell utility wkhtmltopdf to serve a PDF file to a user from HTML. In other words, rather than dealing with a PDF generation DSL of some sort, you simply write an HTML view as you would normally, and let Wicked take care of the hard stuff.

Prawn is a fast, tiny, and nimble PDF generator for Ruby

PDF::Core is used by Prawn to render PDF documents. It provides low-level format support.

Uses wkhtmltopdf to create PDFs using HTML

Font Metrics Parser for the Prawn PDF generator

Super cool PDF templates using iText's PdfStamper. == CAVEAT: Anything super cool must have a caveat. You have to use JRuby or RJB. Plus you can only use Adobe LiveCycle Designer to create the templates. == EXAMPLE: pdf = PDF::Stamper.new("my_template.pdf") pdf.text :first_name, "Jason" pdf.text :last_name, "Yates" pdf.image :photo, "photo.jpg" pdf.save_as "my_output.pdf"

Fill out PDF forms (templates) using iText's PdfStamper. == CAVEAT: You have to use JRuby or RJB. You need Adobe LiveCycle Designer or Acrobat Professional to create the templates. == EXAMPLE: pdf = PDF::Stamper.new("my_template.pdf") pdf.text :first_name, "Jason" pdf.text :last_name, "Yates" pdf.image :photo, "photo.jpg" pdf.checkbox :hungry pdf.save_as "my_output.pdf"

A nifty gem, in pure Ruby, to parse PDF files and combine (merge) them with other PDF files, number the pages, watermark them or stamp them, create tables, add basic text objects etc` (all using the PDF file format).

Super cool PDF templates using iText's PdfStamper. == CAVEAT: Anything super cool must have a caveat. You have to use JRuby or RJB. Plus you can only use Adobe LiveCycle Designer to create the templates. == EXAMPLE: pdf = PDF::Stamper.new("my_template.pdf") pdf.text :first_name, "Jason" pdf.text :last_name, "Yates" pdf.image :photo, "photo.jpg" pdf.save_as "my_output.pdf"

A Ruby frontend to the pdftk binary, including FDF and XFDF creation. Also works with the PDFTK Java port. Just pass your template and a hash of data to fill in.

This library provides a number of PDF::Reader[0] based tools for use in testing PDF output. Presently, the primary purpose of this tool is to support the tests found in Prawn[1], a pure Ruby PDF generation library. However, it may be useful to others, so we have made it available as a gem in its own right. [0] https://github.com/yob/pdf-reader [1] https://github.com/prawnpdf/prawn

An add-on converter for Asciidoctor that converts AsciiDoc documents to PDF using the Prawn PDF generation library.

pdfmult is a command line tool that rearranges multiple copies of a PDF page (shrunken) on one page. It is a wrapper for pdflatex with the pdfpages package.

Shave pages off of PDFs as images. PDFShaver makes iterating PDF pages easy by wrapping Google Chrome's PDFium library in an enumerable interface.

Merge multiple PDFs in to one using iText's PdfCopyFile.

PdfjsViewer provides a simple way to embed a PDF viewer in your Rails app using Mozilla's PDF.js library.

One beautiful Ruby API for GPT, Claude, Gemini, and more. Easily build chatbots, AI agents, RAG applications, and content generators. Features chat (text, images, audio, PDFs), image generation, embeddings, tools (function calling), structured output, Rails integration, and streaming. Works with OpenAI, Anthropic, Google Gemini, AWS Bedrock, DeepSeek, Mistral, Ollama (local models), OpenRouter, Perplexity, GPUStack, and any OpenAI-compatible API. Minimal dependencies - just Faraday, Zeitwerk, and Marcel.

The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specification from Adobe

One beautiful Ruby API for GPT, Claude, Gemini, and more. Easily build chatbots, AI agents, RAG applications, and content generators. Features chat (text, images, audio, PDFs), image generation, embeddings, tools (function calling), structured output, Rails integration, and streaming. Works with OpenAI, Anthropic, Google Gemini, AWS Bedrock, DeepSeek, Mistral, Ollama (local models), OpenRouter, Perplexity, GPUStack, and any OpenAI-compatible API. Minimal dependencies - just Faraday, Zeitwerk, and Marcel.