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Request a Feature Report a Bug
Unplanned
Last Updated: 27 Jun 2025 14:39 by Marc
Marc
Created on: 10 Nov 2023 08:16
Category: PDFViewer
Type: Feature Request
6
Pinch to zoom the document
I want to be able to pinch the document in the PDFViewer and zoom it. Similar to how PDF is fluently zoomed in and out on pinch if opened in a web browser.
9 comments
Marc
Posted on: 27 Jun 2025 14:39

Also see this:
https://feedback.telerik.com/aspnet-core-ui/1481051-zoom-in-out-file-using-the-build-in-zoom-functionality-of-the-pdfviewer-when-zooming-with-two-fingers

 

Marc
Posted on: 27 Jun 2025 14:28

Hai all,

For me it is still complete not understandable that standard pinching zoom for the Blazor PDF viewer for mobile devices is not implemented yet. Just try your own demo on a mobile device and try to zoom the PDF. Totally unusable...

https://demos.telerik.com/blazor-ui/pdfviewer/overview

The standard pdf.js implementation does support pinching, so please, add this to the list so the PDF viewer is usable on mobile. devices. We had to buy another component and check the viewport width so we can present a usable PDF viewer with pinching support for our customers. It is a pity we had to move that road away from Telerik regarding PDF's...

To see what I mean, check: https://bettertyped.github.io/react-zoom-pan-pinch/?path=/story/examples-big-image--big-image

Can I exchange some of my Telerik points for this?

ADMIN
Hristian Stefanov
Posted on: 04 Jun 2025 08:21

Hi Marc,

So far, we haven’t received feedback from other customers regarding the use of the PDFViewer on mobile devices. If any feedback is shared in the future, it will be publicly visible here.

Regards,
Hristian Stefanov
Progress Telerik

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Marc
Posted on: 29 May 2025 23:43

Hai Hristian,

Do you have any clue how other customers use the Blazor PDF viewer on mobile devices since PDF's are not readable by default since it requires extensive zooming before reading is possible?

Regards, Marc

ADMIN
Hristian Stefanov
Posted on: 28 May 2025 15:30

Hi Marc,

Thank you for showing your interest in this feature.

The item is still open. It wasn’t addressed yet as higher-priority items took precedence during that period. While the next quarter’s planning is not finalized, the item remains unplanned—so please keep an eye on it for any updates.

If any workaround comes up, I’ll promptly share it in the item’s comments. This is the current information I can provide for orientation.

Regards,
Hristian Stefanov
Progress Telerik

Love the Telerik and Kendo UI products and believe more people should try them? Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher.

Marc
Posted on: 28 May 2025 03:47

We are now 1.5 years later.. And still the PDF viewer cannot pinch.

When will this be fixed so the PDF viewer can act as a worthy PDF viewer, also suitable for mobile devices?

Marc
Posted on: 15 Dec 2024 19:20

Pinching of PDF on mobiles is essential...

Please vote!

ADMIN
Hristian Stefanov
Posted on: 20 May 2024 15:44

Hi Marc,

I confirm that the feature request status is still "Unplanned". That means no specific time frame has been assigned yet. As soon as we move a task to the short-term backlog, the status will change to "Planned", and most likely a release month will appear as well.

Regards,
Hristian Stefanov
Progress Telerik

Stay tuned by visiting our public roadmap and feedback portal pages! Or perhaps, if you are new to our Telerik family, check out our getting started resources!
Marc
Posted on: 13 May 2024 20:56

Hai, is this also fixed in the upcoming release where the Blazor PDF viewer has been rewritten bij Progress?

Megards, Marc

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