ComPDFKit_Conversion.NetFramework 4.2.0

• .NETFramework 4.6.1

  • No dependencies.

ComPDFKit Conversion SDK v4.2.0 Release Date: 26 August 2026
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Enhanced Features

Core:
- Added support for GIF images as conversion input.
- Improved conversion speed for large and complex documents.
- Reduced peak memory usage when converting image-heavy documents.

PDF to Word:
- Added support for converting PDF vector graphics into editable Word shapes, with fill and line styles preserved.
- Improved editability: the output relies less on paragraph spacing for page layout and uses more natural line spacing, so the layout stays stable after editing.
- Improved recognition of graphically drawn list bullets.
- Added support for restoring fraction equations as Word equations.

PDF to Searchable PDF:
- Improved accuracy and performance of the searchable text layer.
- Reduced output file size.
- Reduced meaningless spaces in the searchable text layer, so complete English words can be searched.

OCR and AI:
- Added document orientation detection and skew correction.
- Improved OCR paragraph font sizing and word-break accuracy.

Table Recognition:
- Improved structure recognition for ruled, sparsely ruled and borderless tables.

Issues Addressed

Core:
- Improved conversion stability and fixed crashes on documents with invalid text objects or circular bookmarks.
- Improved consistency of font selection and color extraction across repeated conversions.
- Improved handling of spaces, character mapping, overlapping text, page orientation and form fields.

PDF to Word:
- Restored natural line spacing for regular paragraphs, using fixed line spacing only where required.
- Improved multi-column layout, including column detection, column spacing and columns spanning sections.
- Improved paragraph alignment, first line indent, hanging indent and right indent accuracy.
- Improved list recognition and reduced false positives from hyphenated words, paired punctuation and tab-separated columns.
- Improved list numbering, indentation, tab stops and nested list levels.
- Improved table recognition, including missing headers, empty columns being split incorrectly, multi-level headers and incorrect cell merging.
- Fixed loss of images, line segments, borders and vertically merged cell content in tables.
- Improved table row height, column width, cell padding, cell background, cell content placement and last row pagination.
- Fixed duplicated text boxes, clipped text in floating text boxes, squeezed rotated labels and list numbering restarting across text boxes.
- Fixed black text being exported as red, and preserved text transparency.
- Improved recognition of superscripts, subscripts, strikethrough, hyphenation, quotation marks and drop caps.
- Improved character and word spacing accuracy, including justified text.
- Improved image and graphic handling, including transparency, text wrapping and object order.
- Improved header, footer, page background and page rotation handling.

Fonts:
- Fixed one source font being replaced by several different fonts in the same document.
- Improved simplified and traditional Chinese detection, Korean font matching, symbol font handling and font name decoding.
- Improved cross-platform font measurement consistency.
- Improved font scaling and character spacing, including narrow characters that were compressed until invisible.
- Fixed missing characters for non-embedded fonts on Linux.

PDF to Excel:
- Fixed multi-line paragraphs being truncated and excessive blank space in cells.
- Fixed cell alignment, indentation consistency and text region misjudgment.
- Fixed Wingdings list icons, highlight backgrounds affecting adjacent cells and annotation image export.
- Fixed conversion failures caused by control characters.

PDF to Searchable PDF:
- Fixed text selection width and character positioning.
- Fixed background residue and plain text layout.

PDF to HTML:
- Fixed the outline table of contents not being generated.

Please refer to the developer_guide_windows.pdf document in the same folder as this file for additional information.

https://www.compdf.com/

Email: support@compdf.com