Released: May 21, 2025

Updates in V25.5

Features

• Implemented export to HTML5 in handout mode.
• Added the ability to detect whether a picture frame is a Cameo object - a special shape in PowerPoint linked to the user’s camera feed.

Fixes

• Some animation effects are missing when creating frames from slides for video.
• Inserting long HTML pages to presentation slides.
• PPTX/PPT to Markdown: HTML-encoded characters should be empty space.
• PPT/PPTX to MD: Export slide name with slide number.
• Position of some elements is changed when cloning an...

Released: Apr 16, 2025

Updates in V25.4

Fixes

• Fixed escape character issue when converting from PPTX/PPT to Markdown.
• Cloning a slide from an existing presentation produces a corrupt PPTX.
• While converting PPTX to PDF, charts are not rendered properly.
• Page numbers are cut off when converting PPTX to PDF.
• Incorrect bullets and numbering after PPT to PPTX conversion.
• Incorrect Chinese numbering and bullet alignment when converting PPT to PDF.
• Text Options tab is missing when saving PPT in PPT/PPTX formats.
• Extracted SVG color mismatch...

Released: Mar 21, 2025

Updates in V25.3

Features

• Added the option to remove JavaScript when converting presentations to HTML.
• Implemented a method for retrieving text based on column settings.
• Added support for extracting captions from videos.
• Added the ability to specify JPEG quality when saving images.
• Implemented support for the 'DisableFontLigatures' property in IHtml5Options.

Fixes

• GetThumbnail method is locked in multi threads while converting slides to images.
• PptxReadException occurs when loading a PPTX file.
• Charts are not...

Released: Feb 10, 2025

Updates in V25.2

Features

• Added support for 'Trim Audio' settings in PowerPoint presentations.
• Added support for getting the volume value from audio frames.
• Added support for extracting Fade In and Fade Out settings from audio frames.

Fixes

• Quality of thumbnails is very poor when converting shapes to images.
• Wrong text box position in exported image.
• Text animation is missing after loading and saving PPTX file.

Released: Jan 21, 2025

Updates in V25.1

Features

• Added support for importing embedded fonts from PDF.
• Added the option to bypass thumbnail generation when saving a presentation.
• Added a permanent method for SVG to EMF conversion.
• Added support for extracting Office documents core, custom and extended properties.
• Added the option to disable the generation of the thumbnail when saving a presentation in PPTX format.
• Added the ability to save a presentation to metafile (EMF).

Fixes

• Dashed borders in SVG images are converted to solid...

Released: Dec 9, 2024

Updates in V24.12

Features

• Added support for the most commonly available spreadsheet functions.

Fixes

• Text is top-aligned when converting SVG to EMF.
• Chart data labels are aligned incorrectly when converting PPTX to PDF.

Released: Nov 14, 2024

Updates in V24.11

Features

• Added support for the Grid and Guides properties which allow you to configure the spacing between grid lines in the background of your document.
  • A new 'GridSpacing' property has been added to the 'IViewProperties' interface and the 'ViewProperties' class.
  • A new 'DrawingGuide' class and its corresponding interface 'IDrawingGuide' have been added. This class and the interface are used to define the settings for drawing guides.
  • A new 'DrawingGuidesCollection' class and its corresponding...

Released: Oct 14, 2024

Updates in V24.10

Features

• Added support for getting the vanishing point option of a zoom animation.

Fixes

• Doughnut charts with one series are broken when converting PPTX to PDF.
• PPTX document with Waterfall charts gets corrupted when editing it.
• Vertical text on EMF image is rotated when converting PPT to PDF.
• Unexpected error calculating shape size.
• Charts are displayed incorrectly when converting slides to images.
• Horizontal lines appear when converting PPTX to PDF.
• WK: Saving presentation hangs.
• WK: Chart...

Released: Sep 25, 2024

Updates in V24.9

Features

• You can now remove cropped areas from images and set the DPI.
• Removed the deprecated AddVideo(Stream stream) method.

Fixes

• Loading the PPTX file with a chart throws PptxReadException.
• Line breaks are replaced with comma when converting PPTX to PDF.
• Chart data table is missing when converting PPTX to PDF.
• OutOfMemoryError occurs while processing PPTX.
• Chart lines pointing to the text are changed when converting slide to image.
• Regression: PPT to XPS - Image quality decrease.
• Failed to...

Released: Aug 14, 2024

Updates in V24.8

Features

• Added support for identifying restricted fonts in PPTX files.
• Added a property to obtain binary content of the font from FontData.
• Added support for "Picture or texture fill" settings.
• Added support for displaying comments in generated HTML5 document.

Fixes

• Summary Zoom does not work in exported PDF documents.
• Slide contents do not match after replacing text portions.
• OutOfMemoryError occurs when converting PPTX to PDF.
• Incorrect background gradient fill when converting slides to images...