Adds core features so other engines can hook into the framework.

A no frills gem that does one thing and only one thing. Checks whether two given PDF files are identical or not. PDF comparison done in pure Ruby.

Ruby binding to typst, a new markup-based typesetting system that is powerful and easy to learn.

This gem is very efficient for the case when we need to replace any text with image within the pdfs. This gem also allows to replace multiple texts with any image in single call.

Gem responsible for joining 1 or more PDF in the same file.

Assine PDFs em Ruby/Rails usando HexaPDF. Preview no browser, marcação do local e assinatura PAdES.

Library to abstract multiple courier web services.

Ruby implementation of core file-format operations used by DistorteD-Jekyll.

a collection of gems

[WIP] Document Structure Recognizer -- currently a collection of common routines I use to build A.I.s

EN 16931-compliant e-invoicing for Ruby. Generates Factur-X (PDF/A-3 + CII XML), UBL 2.1, and CII D16B. Validates French B2B requirements (SIREN, SIRET, TVA). Rails concern for ActiveRecord models. Targets French September 2026 mandate.

This tool shows invocies issuers, and summarizes which invoices are downloaded

Faster implementation of some HexaPDF algorithms in C for still more performance

Additional functionality for HexaPDF

mergepdfs combines multiple PDF files into one output PDF file. Empty pages are added to ensure that each merged PDF file starts at an odd page number in the output file. When printed double-sided, pages of the merged PDF files are never printed on the same sheet.

A tool to combine PDF tools, OCR tools and image processing into a single interface as both a CLI and a library.

pdfsplit is a command-line utility that splits a multi-page PDF into multiple smaller PDF files. You can specify how many pages should be included in each output part.