Post-Processing Advice

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Essential Links for Beginners

  • Post-Processing FAQ: A step by step walkthrough of the entire PP process and FAQ that cover a wide range of subjects. If you need a great place to start your journey as PPer, this is it.
  • Getting your PP Project ready for PPV
  • Beginner PP advice: Not intended to replace the PP FAQ / Guidelines, this gives a brief overview of the PPing process, with a few helpful links. It doesn't cover HTML or tool use.
  • How to download and install Post-Processing Software: A step-by-step guide to help you with the installation of two of the most used PPing tools, guiguts and gutwrench.
  • How do I ...? This is an excellent reference guide to quickly check how to do various tasks with the PP software. Mainly covers guiguts and gutwrench.
  • 'No Dumb Questions' Threads for PPers This is where experienced PPers give quick advice to beginners on every possible problem from installing the PP tools to uploading the final file for PPV -- ask any question here!
  • Projects for New PPers: this is a forum thread which recommends good books for starting PPers -- a good place to start if you're not sure what to pick as your first book.
  • PP_guide_to_cover_pages: A guide on preparation of covers for books that do not include a cover image.
  • PP Mentoring -- this explains how to get personal, one-to-one help from one of our experienced PP Mentors.

What happens in PPV

  • PPV Check List This is the checklist PPV-ers use to verify a project meets all the required standards, but very handy to use as a checklist for PPers as well.
  • Tips for PPers Trying for DU is a list of tips and information for PPers striving to gain Direct Upload access.

Tool Specific Links

Guiguts (Introduction)

These are tutorials and walkthroughs for people who use guiguts.


  • GutWrench suite This is an overview of the various tools that make up Gutwrench.

Self-evaluation tools

This is obsolete as there no longer appears to be a nor any tools there. All the tools below can be used online at For background information and instructions on how to use these tools, visit the related forum thread.

  • pptxt will run several automated checks on your text file to identify common errors, such as inconsistent ellipses, html tags that were not removed etc.
  • pphtm can be used for your HTML version.
  • ppsp can be used in addition to your own spellchecker.

Creating HTML

Image Processing

Validating HTML

Files uploaded to Project Gutenberg must pass the three validators marked official.

  • Validating your HTML This explains the steps required to make sure your HTML file meets the PG standards.
  • HTML Validator This is the official HTML Validator. Three options: Upload from your computer, paste in text or give URL.
  • CSS Validator This is the official CSS Validator. Three options: upload (HTML or CSS only via browse button), paste in text or give URL.
  • Link Checker This is the official Link Checker. URL only; no upload or direct input.
  • HTML Tidy: An online HTML Tidy tool, to help iron out errors in your HTML.
  • PG HTML FAQ Project Gutenberg's Official Guidelines for HTML.

Best Practices and Easy Epub

  • DP's HTML Best Practices This shows you how to use HTML effectively so it will display on a range of devices, including e-readers.
  • Easy Epub This is an easy-to-digest version of four Best Practices, and advice on how to view your file in e-reader formats.


Formats and Encoding




  • Music Guidelines: an overview of how to process music in your books, which contains useful advice for post-processors on a wide range of subjects such as how to deal with typo's, how to PP music in your text version, links to example editions and references to other sources of advice and support.
  • Team Music focuses on how to process music files, and are always willing to answer your questions.


If advertisements appear in the book, please do not remove them. If the ads appear at the beginning of the book, however, it is acceptable to move them to the back of the book (provided you mention the change in your Transcriber's Note. There are numerous discussions on the best ways to process ads in The Official "No Dumb Questions" thread for PPers.

Post-Processing in LOTE


  • Post-Processing German books provides an overview of issues which you might come across when PPing German books, and suggestions on how to solve them.


  • Regex is an article that summarises what regexes are, with links to more information outside the DP website.
  • The Regex Cookbook contains a list of standard regexes which are frequently used as part of the PP process.
  • The Regular Expression Clinic provides help in the forums for anyone who needs help in pulling together an appropriate regex for their particular project.

Miscellaneous Helpful Links

Where and How to Get Help from Other Volunteers

  • Language Skills List: Check here for help if your project has unexpected sections / phrases / words in another language you are not familiar with. Or, if you are willing to help in a particular language, please add yourself to the list.
  • PP Mentors: this is a list of experienced Post-Processors who have volunteered to mentor new PPers.
  • HTML mentors: this is a list of experienced HTML Post-Processors who have volunteered to mentor new PPers through generating good HTML eBooks.
  • [Reading FAQ]: Instructions on how to make your file available for smoothreading, where volunteers will read your file as they would any other eBook and provide you with feedback.
  • Regular Expression Clinic Regexes work like macro's and can be used to make bulk changes into a text file which would otherwise take a lot of time to change manually. Think of it as an advanced form of 'search and replace'. They are easy to use, but you may want help from our regex specialists to create the right one for the job. Ask here!

Fun links