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Professional PDF.js Viewing & Annotations - Try for free


Oct 21, 2021: Version 8.1.1 includes various bug fixes related to annotations and searching.

Global fixes

  • Fixed bug where custom headers were not properly used when loading documents
  • Fixed text search issue where new lines where inserted when they shouldn't be, causing results to be missed in certain scenarios
  • Fixed issue where UI translations could not be loaded in Electron environment

PDF.js Express Plus fixes

  • Fixed bug where exported checkbox appearance state was incorrect in some instances
  • Fixed bug where hidden form fields were still visible

PDF.js Express Viewer fixes

  • Added viewing of form fields in free build
  • Fixed incompatibility warning message


  • Fixed issue where form fields would sometimes be duplicated when merging XFDF.