All paper certainly has citation list. However it is hard to extract reference list cuz part of citation list locate lowest part in pdf and all browser is so slow to show pdf file of paper that we get tired to fetch paper. Moreover using pdftohtml or pdftotext, this command cannnot parse multi-co...

Prawn::Table provides tables for the Prawn PDF toolkit

Creates a PDF for each page from a PDF with multiple pages. Uses Ghostscript for the actual bursting. You'll need the following commands available on your system: gs (Ghostscript), pdfinfo (Poppler), grep and convert (ImageMagick) if you want thumbnails.

Ruby Library for the pdflayer API, a web service that automates HTML to PDF document conversion, https://pdflayer.com

Simple Ruby wrapper for seding requests to pdf-rendering-srv.

PdfMatcher is a gem to compare two PDFs and output the differences using diff-pdf

wrapper command of pdftk-java

Use pdftk to split pdfs on bookmark level. Limited functionality, see README.md for more info.

Counts the pages in single and multiple PDFs. Capable of recursively finding PDFs in directories.

A gem for plugging pdf.js into a Rails application

PDF content extraction tool and library.

a library that can read structured and positional text from PDFs. Ideal for asembling structured data from invoices and the like.

This gem provides a wkhtmltopdf binary and configures wisepdf, wicked_pdf, and pdfkit for ruby based applications running in Heroku

Uses command-line pdftohtml tools to convert PDF files to HTML.

Generate awesome PDF with web technologies at pdfmonkey.io

Get metadata about PDFs and extract full-quality images. Wrapper around `pdfimages` and `pdfinfo`.

A delightful Ruby way to work with AI. Tired of juggling different SDKs? RubyLLM provides one beautiful, Ruby-like interface for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama, and any OpenAI-compatible API. Chat (with text, images, audio, PDFs), generate images, create embeddin...

Client to intereact with the pdfTH.AT services

An Adobe PDF Services Ruby SDK provides APIs for creating, combining, exporting and manipulating PDFs.

This RubyGem is intended to be used with Adobe XFA/Acroform PDFs and relies heavily on both Nokogiri and Origami. It returns an XML object, that can be used throughout your application.