Syncfusion Essential Studio PDF Viewer SDK

Enable PDF viewing, annotation, form filling, and signing across web, desktop, and mobile platforms.

Published by Syncfusion
Distributed by ComponentSource since 2002

Version: 2026 Volume 1 SP1 (33.2.3) NEW Updated: Apr 21, 2026

Screenshot of Syncfusion Essential Studio PDF Viewer SDK

Syncfusion Essential Studio PDF Viewer SDK 2025 Volume 3 (31.1.22)

Released: Oct 1, 2025

Updates in 2025 Volume 3 (31.1.22)

Fixes

  • Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
    • Resolved an issue where the customContextMenuSelect event was not triggered properly after hovering a nested custom menu.
    • Resolved an issue where the form field background color changed unexpectedly after modifying properties through form designer properties window.
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