# \#pdfjs-express **URL:** https://pdfjs.community/tag/pdfjs-express/1.md [Latest](https://pdfjs.community/latest.md) · [Categories](https://pdfjs.community/categories.md) · [Tags](https://pdfjs.community/tags.md) --- ## [Tried to go to invalid bookmark destination](https://pdfjs.community/t/tried-to-go-to-invalid-bookmark-destination/3816)
**Author:** [@devaraju.kaliappan](https://pdfjs.community/u/devaraju.kaliappan)\ **Replies:** 1\ **Last updated:** [March 3, 2026, 4:57pm UTC](https://pdfjs.community/t/tried-to-go-to-invalid-bookmark-destination/3816 "2026-03-03T16:57:14Z")
Dear Team, I am experiencing an issue with hyperlink navigation in the viewer outline section. When I click on a hyperlink that is supposed to take me to another page or a specific position within the same document, it … --- ## [Uncaught (in promise) TypeError: Cannot set properties of undefined (setting 'i18n') at setLanguage.js:44:12](https://pdfjs.community/t/uncaught-in-promise-typeerror-cannot-set-properties-of-undefined-setting-i18n-at-setlanguage-js12/2271)
**Author:** [@alexb](https://pdfjs.community/u/alexb)\ **Replies:** 26\ **Last updated:** [November 19, 2025, 6:15pm UTC](https://pdfjs.community/t/uncaught-in-promise-typeerror-cannot-set-properties-of-undefined-setting-i18n-at-setlanguage-js12/2271 "2025-11-19T18:15:07Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version UI version ‘8.7.0’ Core version ‘8.7.0’ webviewer.min.js ‘8.7.0’ Build ‘Ny8yMC8yMDIyfDJhMWM5ZWYwOA==’ Detailed description of is… --- ## [Colours on Drawn Signatures not saving](https://pdfjs.community/t/colours-on-drawn-signatures-not-saving/3804)
**Author:** [@tomc](https://pdfjs.community/u/tomc)\ **Replies:** 3\ **Last updated:** [October 28, 2025, 6:22pm UTC](https://pdfjs.community/t/colours-on-drawn-signatures-not-saving/3804 "2025-10-28T18:22:08Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version UI version ‘8.7.0’ Core version ‘8.7.5’ Detailed description of issue I’m saving signatures that the user draws. If the user creates a signatu… --- ## [Full version of PDFNetJS has not been loaded](https://pdfjs.community/t/full-version-of-pdfnetjs-has-not-been-loaded/2163)
**Author:** [@alex](https://pdfjs.community/u/alex)\ **Replies:** 8\ **Last updated:** [October 17, 2025, 1:28pm UTC](https://pdfjs.community/t/full-version-of-pdfnetjs-has-not-been-loaded/2163 "2025-10-17T13:28:12Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.0 Detailed description of issue We are seeing the following error without any code changes on our side: Uncaught (in promise) Error: Full … --- ## [PDF.js Express Viewer shows 'pdfjs.express' watermarks always?](https://pdfjs.community/t/pdf-js-express-viewer-shows-pdfjs-express-watermarks-always/3786)
**Author:** [@y-masuda](https://pdfjs.community/u/y-masuda)\ **Replies:** 1\ **Last updated:** [August 26, 2025, 5:30pm UTC](https://pdfjs.community/t/pdf-js-express-viewer-shows-pdfjs-express-watermarks-always/3786 "2025-08-26T17:30:11Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version v8.7.5 Detailed description of issue I obtained a free license using my company email address, but during development on localhost, a waterma… --- ## [Merge API returning 500 error response](https://pdfjs.community/t/merge-api-returning-500-error-response/3780)
**Author:** [@jon.anders](https://pdfjs.community/u/jon.anders)\ **Replies:** 3\ **Last updated:** [August 20, 2025, 3:06pm UTC](https://pdfjs.community/t/merge-api-returning-500-error-response/3780 "2025-08-20T15:06:50Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.5 Detailed description of issue For some of our users, when attempting to use the merge API endpoint in Chrome / Edge, they are receiving a… --- ## [Showing Waterark on viewer](https://pdfjs.community/t/showing-waterark-on-viewer/3773)
**Author:** [@crossbim001](https://pdfjs.community/u/crossbim001)\ **Replies:** 4\ **Last updated:** [August 6, 2025, 9:41pm UTC](https://pdfjs.community/t/showing-waterark-on-viewer/3773 "2025-08-06T21:41:30Z")
I received the invoce, #AC28938D-0021, and paid by Visa credit card automatically. However the watermark is show on the viewer. Would you check the payment status? FYI, receipt number is 2765-6779. Which product are yo… --- ## [Is there any alternate way to mention origins instead of mentioning them in configorigin.txt to access config files](https://pdfjs.community/t/is-there-any-alternate-way-to-mention-origins-instead-of-mentioning-them-in-configorigin-txt-to-access-config-files/3770)
**Author:** [@kishan.senjaliya](https://pdfjs.community/u/kishan.senjaliya)\ **Replies:** 5\ **Last updated:** [August 5, 2025, 7:01pm UTC](https://pdfjs.community/t/is-there-any-alternate-way-to-mention-origins-instead-of-mentioning-them-in-configorigin-txt-to-access-config-files/3770 "2025-08-05T19:01:54Z")
We are using pdf js express viewer version. We did host the component files from node modules and the config files to one of our CDN servers and to access those files from different origin we need to keep on adding new o… --- ## [How to remove Watermark](https://pdfjs.community/t/how-to-remove-watermark/3769)
**Author:** [@yashwanth.intern](https://pdfjs.community/u/yashwanth.intern)\ **Replies:** 1\ **Last updated:** [July 21, 2025, 3:26pm UTC](https://pdfjs.community/t/how-to-remove-watermark/3769 "2025-07-21T15:26:50Z")
I want to use pdfjs-express for pdf viewer. I only want to use this a pdf viewer feature. But I am getting watermark on the pdf pages. How can I remove those watermarks. What are steps and process to achieve this. Pleas… --- ## [Sticky Note auto reply](https://pdfjs.community/t/sticky-note-auto-reply/3747)
**Author:** [@dopefakedusername](https://pdfjs.community/u/dopefakedusername)\ **Replies:** 9\ **Last updated:** [July 9, 2025, 6:17pm UTC](https://pdfjs.community/t/sticky-note-auto-reply/3747 "2025-07-09T18:17:19Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version 8.7.4 Detailed description of issue Is it possible to disable the auto reply created by updating annotation state? Is it also possible to dec… --- ## [URGENT - XFDF Merge API giving \[500\] internal server error](https://pdfjs.community/t/urgent-xfdf-merge-api-giving-500-internal-server-error/2331)
**Author:** [@devops1](https://pdfjs.community/u/devops1)\ **Replies:** 3\ **Last updated:** [July 7, 2025, 3:49pm UTC](https://pdfjs.community/t/urgent-xfdf-merge-api-giving-500-internal-server-error/2331 "2025-07-07T15:49:54Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version v8.7.0 Detailed description of issue There is an issue with the merge function provided by @pdftron/pdfjs-express-utils. Some users, using c… --- ## [enableViewportRenderMode() functionality](https://pdfjs.community/t/enableviewportrendermode-functionality/3728)
**Author:** [@kin.jx](https://pdfjs.community/u/kin.jx)\ **Replies:** 3\ **Last updated:** [June 17, 2025, 3:52pm UTC](https://pdfjs.community/t/enableviewportrendermode-functionality/3728 "2025-06-17T15:52:44Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version |UI version|‘8.7.0’| |Core version|‘8.7.5’| |webviewer.min.js|‘8.7.5’| Detailed description of issue Is enableViewportRenderMode() integrat… --- ## [Watermark is shown when using Typescript type imports from @pdftron/webviewer](https://pdfjs.community/t/watermark-is-shown-when-using-typescript-type-imports-from-pdftron-webviewer/3719)
**Author:** [@tech.admin](https://pdfjs.community/u/tech.admin)\ **Replies:** 1\ **Last updated:** [June 10, 2025, 3:43pm UTC](https://pdfjs.community/t/watermark-is-shown-when-using-typescript-type-imports-from-pdftron-webviewer/3719 "2025-06-10T15:43:03Z")
Hello, I am using the @pdftron/pdfjs-express library with a license key and on the deployed app the pdfjs-express watermark is not visible, which is good and expected. When I npm install @pdftron/webviewer and use type… --- ## [Annotations not saving to the pdf](https://pdfjs.community/t/annotations-not-saving-to-the-pdf/3712)
**Author:** [@shashikanth.n](https://pdfjs.community/u/shashikanth.n)\ **Replies:** 1\ **Last updated:** [June 2, 2025, 2:51pm UTC](https://pdfjs.community/t/annotations-not-saving-to-the-pdf/3712 "2025-06-02T14:51:53Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7 Detailed description of issue not able to save from back end (Java script) the pdf along with annotations Expected behaviour the saved pd… --- ## [Please use UI.addCustomModal instead](https://pdfjs.community/t/please-use-ui-addcustommodal-instead/3708)
**Author:** [@ufuk](https://pdfjs.community/u/ufuk)\ **Replies:** 1\ **Last updated:** [May 26, 2025, 2:32pm UTC](https://pdfjs.community/t/please-use-ui-addcustommodal-instead/3708 "2025-05-26T14:32:56Z")
Hi, I get this warning on Chrome. Is it ok? I used last version download from. addCustomModal.js:82 'setCustomModal' deprecated since version 8.5. Please use UI.addCustomModal instead Document link Thanks --- ## [Licence validation error](https://pdfjs.community/t/licence-validation-error/3706)
**Author:** [@arielrobert.custrin](https://pdfjs.community/u/arielrobert.custrin)\ **Replies:** 2\ **Last updated:** [May 23, 2025, 8:37am UTC](https://pdfjs.community/t/licence-validation-error/3706 "2025-05-23T08:37:42Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version 8.7.5 Detailed description of issue My app is in dotNet 9 (Blazor) and I’m using the stadalone library installed manually with PDFJSExpress-v… --- ## [Customizing the UI](https://pdfjs.community/t/customizing-the-ui/3699)
**Author:** [@ahmad.chowdhury](https://pdfjs.community/u/ahmad.chowdhury)\ **Replies:** 2\ **Last updated:** [May 18, 2025, 10:05pm UTC](https://pdfjs.community/t/customizing-the-ui/3699 "2025-05-18T22:05:24Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.1 Detailed description of issue 1. Customizing the Comments/Notes Panel We are looking to extend and customize the existing Comments (Note… --- ## [Issue Blazor Hybrid (Android) 'There is no content at lib/ui/index.html#...'](https://pdfjs.community/t/issue-blazor-hybrid-android-there-is-no-content-at-lib-ui-index-html/3701)
**Author:** [@aw.zijderveld1](https://pdfjs.community/u/aw.zijderveld1)\ **Replies:** 3\ **Last updated:** [May 16, 2025, 5:45pm UTC](https://pdfjs.community/t/issue-blazor-hybrid-android-there-is-no-content-at-lib-ui-index-html/3701 "2025-05-16T17:45:51Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version 8.7.5 Detailed description of issue I’m currently working on a .NET 9 Blazor Hybrid + Web App project where I use the PDF.js Express Viewer f… --- ## [Search Stalling After Blank Page in a Document with PDF.js Express Plus](https://pdfjs.community/t/search-stalling-after-blank-page-in-a-document-with-pdf-js-express-plus/3501)
**Author:** [@ashokkumar.kunchala](https://pdfjs.community/u/ashokkumar.kunchala)\ **Replies:** 5\ **Last updated:** [April 3, 2025, 4:25pm UTC](https://pdfjs.community/t/search-stalling-after-blank-page-in-a-document-with-pdf-js-express-plus/3501 "2025-04-03T16:25:11Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version Core: 8.7.5, UI: 8.7.0 Detailed description of issue I am experiencing an issue with the search functionality in PDF.js Express Plus. I have a … --- ## [POST https://pi.pdfjs.express/events net::ERR\_CERT\_DATE\_INVALID](https://pdfjs.community/t/post-https-pi-pdfjs-express-events-net-err-cert-date-invalid/2795)
**Author:** [@duongxuanhieu1999](https://pdfjs.community/u/duongxuanhieu1999)\ **Replies:** 2\ **Last updated:** [August 23, 2023, 1:54pm UTC](https://pdfjs.community/t/post-https-pi-pdfjs-express-events-net-err-cert-date-invalid/2795 "2023-08-23T13:54:54Z")
Hi can you fix this issue --- ## [Text selection highlight misalignment during zoom operations](https://pdfjs.community/t/text-selection-highlight-misalignment-during-zoom-operations/3648)
**Author:** [@harald](https://pdfjs.community/u/harald)\ **Replies:** 3\ **Last updated:** [March 24, 2025, 7:21pm UTC](https://pdfjs.community/t/text-selection-highlight-misalignment-during-zoom-operations/3648 "2025-03-24T19:21:34Z")
Which product are you using? PDF.js Express Viewer v8.7.5 Detailed description of issue When zooming in and out after selecting text in the document viewer, the highlight layer becomes misaligned with the underlying t… --- ## [loadDocument does not load linearlized PDF correctly](https://pdfjs.community/t/loaddocument-does-not-load-linearlized-pdf-correctly/3636)
**Author:** [@ttdat](https://pdfjs.community/u/ttdat)\ **Replies:** 5\ **Last updated:** [March 19, 2025, 4:53pm UTC](https://pdfjs.community/t/loaddocument-does-not-load-linearlized-pdf-correctly/3636 "2025-03-19T16:53:57Z")
Which product are you using? PDF.js Express Viewer PDF.js Express Version 8.7.5 Detailed description of issue When loading a linearlized PDFs with loadDocument method, the viewer doesn’t show the pdf immediately b… --- ## [Dangerously SetNote Transform Function api executed just hovering mouse on annotation](https://pdfjs.community/t/dangerously-setnote-transform-function-api-executed-just-hovering-mouse-on-annotation/3633)
**Author:** [@chethan.a](https://pdfjs.community/u/chethan.a)\ **Replies:** 0\ **Last updated:** [March 13, 2025, 12:08pm UTC](https://pdfjs.community/t/dangerously-setnote-transform-function-api-executed-just-hovering-mouse-on-annotation/3633 "2025-03-13T12:08:43Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.5 Detailed description of issue why the dangerouslySetNoteTransformFunction api executed multiple times just hovering mouse on the annotat… --- ## [Can we add new options in the ellipse notes panel , where edit and delete are present](https://pdfjs.community/t/can-we-add-new-options-in-the-ellipse-notes-panel-where-edit-and-delete-are-present/3632)
**Author:** [@chethan.a](https://pdfjs.community/u/chethan.a)\ **Replies:** 0\ **Last updated:** [March 13, 2025, 12:04pm UTC](https://pdfjs.community/t/can-we-add-new-options-in-the-ellipse-notes-panel-where-edit-and-delete-are-present/3632 "2025-03-13T12:04:17Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.5 Detailed description of issue Can we add new options of our own under the ellipse in the notes panel where edit and delete comment are pr… --- ## [net::ERR\_CERT\_DATE\_INVALID on auth pdfjs.express](https://pdfjs.community/t/net-err-cert-date-invalid-on-auth-pdfjs-express/233)
**Author:** [@ipquants](https://pdfjs.community/u/ipquants)\ **Replies:** 2\ **Last updated:** [March 11, 2025, 5:40am UTC](https://pdfjs.community/t/net-err-cert-date-invalid-on-auth-pdfjs-express/233 "2025-03-11T05:40:26Z")
Detailed description of issue The auth call gets a net::ERR\_CERT\_DATE\_INVALID error and as a result the watermark is added on the viewer. When the call is made from the browser, https://auth.pdfjs.express/?key=… one c… --- ## [PDF rendering issue in pdfjs express plus](https://pdfjs.community/t/pdf-rendering-issue-in-pdfjs-express-plus/3606)
**Author:** [@ons.othmen](https://pdfjs.community/u/ons.othmen)\ **Replies:** 3\ **Last updated:** [March 10, 2025, 7:35pm UTC](https://pdfjs.community/t/pdf-rendering-issue-in-pdfjs-express-plus/3606 "2025-03-10T19:35:53Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.5 Detailed description of issue We are experiencing an issue with text rendering using PDF.js Express Plus. Some text does not render ful… --- ## [Event to handle on select of a status in Status bar in comment section](https://pdfjs.community/t/event-to-handle-on-select-of-a-status-in-status-bar-in-comment-section/3627)
**Author:** [@chethan.a](https://pdfjs.community/u/chethan.a)\ **Replies:** 1\ **Last updated:** [March 10, 2025, 1:44pm UTC](https://pdfjs.community/t/event-to-handle-on-select-of-a-status-in-status-bar-in-comment-section/3627 "2025-03-10T13:44:37Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.5 Detailed description of issue Is there any event to handle on selection of a value at status bar in comment section --- ## [To understand the licensing part](https://pdfjs.community/t/to-understand-the-licensing-part/3624)
**Author:** [@sura.manohar](https://pdfjs.community/u/sura.manohar)\ **Replies:** 1\ **Last updated:** [March 7, 2025, 7:20pm UTC](https://pdfjs.community/t/to-understand-the-licensing-part/3624 "2025-03-07T19:20:12Z")
Hi Team, We have a requirement to do annotations on the PDF & explored PDF JS Express. Seems it is matching with our requirements. Now we would like to understand more on the pricing part & at the same time want to unde… --- ## [When creating complex shape annotations, getting the error "\_super is not defined"](https://pdfjs.community/t/when-creating-complex-shape-annotations-getting-the-error-super-is-not-defined/3614)
**Author:** [@schoolio](https://pdfjs.community/u/schoolio)\ **Replies:** 1\ **Last updated:** [March 3, 2025, 4:20pm UTC](https://pdfjs.community/t/when-creating-complex-shape-annotations-getting-the-error-super-is-not-defined/3614 "2025-03-03T16:20:13Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.0 Detailed description of issue Got a complain from the user on our platform, who got the error “\_super is not defined”, when trying to mer… --- ## [PDF search highlight issue](https://pdfjs.community/t/pdf-search-highlight-issue/3609)
**Author:** [@pavel.shvets](https://pdfjs.community/u/pavel.shvets)\ **Replies:** 1\ **Last updated:** [February 25, 2025, 4:03pm UTC](https://pdfjs.community/t/pdf-search-highlight-issue/3609 "2025-02-25T16:03:32Z")
Which product are you using? PDF.js Express Plus PDF.js Express Version 8.7.5 Detailed description of issue Search result is not highlighted in PDF view. It works in PDF.js demo. It doesn’t work in PDF.js Express … [Next page](https://pdfjs.community/tag/pdfjs-express/1.md?match_all_tags=true&page=1&tags%5B%5D=pdfjs-express)