So you want to modify the text of a PDF by hand

• Apache PDFBox

  26 2,632 9.7 Java

  Mirror of Apache PDFBox

  

  If you don't mind using java, you can use the open source Apache PDFBox library

  https://pdfbox.apache.org/

  It's relatively performant and it's a mature and supported codebase that can accomplish most pdf tasks.

• SaaSHub

  www.saashub.com featured

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

• i7j-rups

  4 282 7.8 Java

  RUPS is an acronym for Reading and Updating PDF Syntax. RUPS is a tool built on top of iText® that allows you to look inside a PDF document and browse the different PDF objects and content streams.

  

  Great post. I've spend a lot of time reading through the PDF specification over the last ~5 years while building DocSpring [1], and I still feel like I've barely scratched the surface. qpdf is a great tool. One of my other favorites is RUPS [2], which really lets you dig into the structure of a PDF.

  [1] https://docspring.com

  [2] https://github.com/itext/i7j-rups

• PDF-to-JPG-to-PDF

  1 2 3.9 JavaScript

  Convert PDF to JPG images, convert JPG images to PDF, extract select pages from a PDF into a new PDF

  Semi-related(?) - I created a repository to convert PDF to JPG and back to PDF:

  https://github.com/whyboris/PDF-to-JPG-to-PDF

  A government form didn't have editable fields that needed to be filled out. And editing the PDF was impossible (password protection). This was my solution.

Suggest a related project