Software · PDF: read, create, edit

iText RUPS

IText RUPS is a tool to view PDF structure in a Swing GUI.

Completely free
Linux
Open source

Overview

Features described on its official website: debugging.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Diagnostic tool for updating PDF Syntax and debugging PDF code | iText PDF iText’s RUPS is a diagnostic tool that allows you to inspect and correct PDF syntax and debug your PDF code.” — official website, 10 November 2026

At a glance

iText RUPS is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (AGPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

RUPS is an abbreviation 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.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Facts collected from LicitPro automatic classification () — 9 November 2026
Last technical check: 9 November 2026
Description from Flathub — AppStream (Flathub)

How listings are built →

Do you develop iText RUPS?

Correct this listing with the report form, or cite it with this optional badge (it shows the verified free status and changes nothing in the ranking):

<a href="https://licitpro.fr/en/resource/itext-rups"><img src="https://licitpro.fr/badge/itext-rups.svg?l=en" alt="Listed on LicitPro" height="20"></a>

Developers and publishers →