Other applications to work with PDF on Linux

Metadata allows you to classify PDF documents

En previous articles We made an ordered list of programs to use the best-known format to create, modify and view electronic documents. Now we see other applications to work with PDF on Linux.

In this case, they are programs that fulfill different purposes

Other applications to work with PDF on Linux


One of the most common methods of protecting a PDF document from prying eyes is to encrypt it and add a password as a requirement for decryption.

unlockR allows us to skip this step simply decrypting the file.

Installs with:

flatpak install flathub com.github.jkotra.unlockr

It is uninstalled with:

flatpack uninstall com.github.jkotra.unlockr

PDF Metadata

Es a PDF document metadata editor which allows us to add or change the values ​​of the following parameters

  • Qualification.
  • Author.
  • Affair.
  • Keywords.
  • Creator.
  • Producer.
  • Modification date.
  • Blocking.

Metadata provides descriptive information about the document which helps with its classification, but it can also provide information that affects privacy.

PDF Metadata supports the following formats:

  • Basic: They include title, author and subject.
  • XMP PDF: They are format-specific and include information about the number of pages, paper size, and version of the PDF.
  • XMP Dublin Core: They are metadata that follow a 15-element scheme for describing digital resources in a standardized way.
  • XMP: It is a metadata standard created by Adobe to exchange information and achieve integration between different applications and formats.

PDF Metadata can use the international characters supported by Unicode, it comes with predefined templates ready to complete in case the document does not have metadata and for saving documents with another name.

All these features are free. For an additional payment the following can be enabled:

  • Batch editing to set metadata fields across multiple files.
  • Batch metadata deletion.
  • Batch rename.
  • Export of metadata in JSON or YAML formats for further processing.
  • Use from the command line.

Installs with:

flatpak install flathub me.broken_by.PdfMetadataEditor

And it is uninstalled with

flatpack uninstall me.broken_by.PdfMetadataEditor

Remember that if you have a favorite tool for working with PDF, whether or not it is on this list, you can tell us in the comment form

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