ESSENTIAL STUDIO® 2025 VOLUME 3
What's New in Essential Studio® Document SDK
The Volume 3 release gives users of the Document SDK enhanced redaction for PDFs, advanced charts and multilingual page numbers for the Word Library, and faster chart rendering when exporting Excel files.
.NET PDF Library
Enhanced redaction annotation with quad point
Quad point capabilities have been added to PDF redaction annotations, allowing more accurate and adaptable redaction. It is particularly beneficial for handling multi-line text selections and intricate document layouts, ensuring precise coverage and improved flexibility.

.NET Word Library
Treemap, Sunburst, Histogram, Box and Whisker, and Funnel charts in DOCX
Provided support to create and preserve advanced visualizations including Treemap, Sunburst, Histogram, Box & Whisker, and Funnel charts directly within your DOCX documents. This enhancement empowers users to deliver richer, data-driven reports with seamless chart integration.

Multilingual page numbering
Create page numbers in Arabic, Hebrew, Chinese, Thai, and several other language formats. This ensures numbering styles remain accurate and culturally appropriate in multilingual documents like global reports, contracts, and educational materials.
Text Composition
Provided text composition support in Word-to-PDF and image conversions to preserve the diacritic characters as they appear in the Word document. This ensures the accurate representation of multilingual (Vietnamese, French, Portuguese, Spanish, German, and more) content in professional documents.

Picture enhancements
- Crop to shape: Preserves shape-based cropping applied to pictures during Word-to-PDF or image conversion. Cropped pictures like circles, rounded rectangles, stars, and custom remain intact across formats. This ensures design consistency and eliminates the need for post-export adjustments in professional documents.
- Picture transparency: Preserves transparency (opacity) applied to pictures during Word-to-PDF or image conversion. This enhancement is ideal for maintaining visual layering and design integrity in professional documents.
.NET Excel Library
Chart to image conversion
The Syncfusion® Excel Library supports the following chart types in chart-to-image conversion. This enhancement ensures that these charts are accurately preserved during Excel to PDF and Excel to image conversions, maintaining visual fidelity and data clarity.
- Stacked Line
- Stacked Line with Marker
- Volume High Low Close
- Volume Open High Low Close
Performance improvement
The Syncfusion® Excel Library renders charts significantly faster during Excel to PDF conversion, and processing speed has improved across all chart types, making operations on large datasets more efficient.
| Conversion Scenario | Time Taken (Before) | Time Taken (After) |
|---|---|---|
| Excel to PDF with 80 charts | 10 seconds | 4.5 seconds |
Java Word Library
Multilingual page numbering
Create page numbers in Arabic, Hebrew, Chinese, Thai, and several other language formats. This ensures numbering styles remain accurate and culturally appropriate in multilingual documents like global reports, contracts, and educational materials.