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.
Enhanced Features
Core
・Added support for online license validation using XML license configuration files.
・Added external AI callback interfaces for OCR, layout analysis, and table recognition, enabling integration with custom AI models.
・Added support for scanning system fonts and improved font style matching.
PDF to Word
・Added support for vertical text layout in Word output.
・Added support for merging repeated headers and footers, with improved dynamic footer page number handling.
・Added support for improved export of short hanging-indent paragraphs.
・Improved header/footer, paragraph, table, text box, image, and multi-column layout restoration.
PDF to Image
・Added support for rendering form fields during image conversion.
OCR and AI
・Added an independent configuration option for AI-based table recognition.
・Improved OCR paragraph font sizing and character width estimation.
Issues Addressed
Core
・Improved conversion stability, memory usage, and multi-threaded resource handling.
・Improved handling of generated spaces, CJK text spacing, document transformations, links, SVG resources, path merging, and large image processing.
PDF to Word
・Improved list recognition accuracy and reduced false positives for ambiguous ordered and unordered list markers.
・Fixed issues where regular text, paragraphs, or special reference markers could be incorrectly recognized as list items.
・Improved DOCX layout fidelity for list numbering, line-number paragraphs, CJK fonts, paragraph spacing, line height, indentation, compact tables, and table cell padding.
・Fixed layout issues involving floating images, inline images, rotated images, special page numbers, text boxes, constrained containers, and multi-line headings.
・Improved visual line grouping, paragraph splitting, text scaling, and layout measurement accuracy.
Fonts
・Improved font substitution accuracy for missing glyphs, weight and style matching, width variants, CJK language matching, Japanese font preference, and symbol font normalization.
PDF to Searchable PDF
・Fixed font selection issues in searchable PDF output and improved text layer font consistency.
Table Recognition
・Improved table background extraction and table content alignment accuracy.
Enhanced Features
Core
・Added support for external multi-threaded invocation of conversion APIs.
・Improved recognition accuracy for sparse-line tables.
PDF to Word
・Enhanced layout performance when OCR is enabled.
・Added support for Table of Contents styles with in-document hyperlink navigation.
・Added support for custom font name configuration.
・Improved list conversion accuracy.
・Improved header and footer conversion quality.
PDF to Excel
・Added support for custom font name configuration.
PDF to PowerPoint
・Added support for custom font name configuration.
PDF to Searchable PDF
・Improved layout rendering quality.
・Reduced output PDF file size.
・Added support for transparent text layers.
PDF to Searchable OFD
・Introduced support for converting PDF to searchable OFD format.
OCR
・Added support for text color recognition.
Issues Addressed
Core
・Fixed an issue where Path graphics and text styles were duplicated during conversion.
・Fixed an issue where Path objects were incorrectly merged with image objects.
PDF to Word
・Fixed layout issues in Thai document conversion.
・Fixed an issue where extra blank pages were generated when converting image-only PDFs.
PDF to Markdown
・Fixed incorrect conversion of third-level list items.
Image to Others
・Fixed incorrect table background color recognition when processing BMP images.
New Features
PDF to Markdown
・Added support for converting PDF to Markdown format.
・Added support for table conversion.
Enhanced Features
PDF to Word
・Upgraded the Fixed layout to a Hybrid layout (combining Fixed and Flow layouts), significantly improving the editability of Word documents. The AI-powered hybrid layout ensures that over 80% of the resulting documents retain 100% of the original PDF layout.
・Added support for converting objects like tables of contents, ordered lists, and unordered lists. When these objects are detected and successfully recognized, the layout of the converted Word document will be significantly improved.
・Added support for converting header and footer objects. When headers and footers are detected, regardless of whether their content is text or images, they can be accurately converted into page elements.
・Added support for inserting images into tables in the resulting Word document.
・Added support for converting rotated text in PDF documents.
PDF to Excel
・Enhanced the structural restoration of complex tables using AI layout analysis technology, significantly improving table readability.
・Added support for applying different text styles within a cell in the resulting Excel document.
・Added support for inserting images into tables in the resulting Excel document.
・Enhanced the accuracy of text alignment within table cells in the resulting Excel document.
・Fixed issues related to incorrect table order.
PDF to PowerPoint
・Added support for table conversion.
・Added support for converting ordered lists.
PDF to HTML
・Added support for Flow layout.
PDF to Image
・Added support for TIFF format.
・Added options to configure color modes (color, black & white, grayscale).
・Introduced a new Path enhancement option that improves the display of Path elements in PDF documents (increasing path width and color saturation).
PDF to Text
・Added support for preserving table styles.
PDF to RTF
・Added support for table conversion.
PDF to JSON
・Added support for preserving text content attributes and page number fields in the resulting JSON document.
PDF to Searchable PDF
・Added support for converting TIFF format images to PDF.
・New Features
・Optimized converting PDFs to HTML files with smaller file sizes.
・Issues Addressed
・Fixed issues when converting PDF to HTML that can't jump to specific outlines in some cases and comment loss.
・Fixed the issue that setting negative dpi values would cause a crash when converting PDF to JPG.
・Optimized the slow response issue when clicking cancel when converting PDF to RTF.
・Fixed the issue with getting font names failed on Linux.
・New Features
・Added support for Retain Flowing Text when converting PDF to Word. There are two layout options to choose from: Retain Flowing Text and Retain Page Layout. Retain Flowing Text is more convenient for overall document editing than the Retain Page Layout.
・Added support for a factory method for instantiating conversion classes, making it easier to instantiate other conversion classes through factory methods.
・Added support for multiple languages in OCR (Specific languages are listed in the documentation).
・Issues Addressed
・Fixed an issue that the DPI field was missing after setting the DPI when converting PDF to JPG.
・New Features
・Added support for setting whether to contain images or annotations when converting.
・Added support for setting DPI when converting PDF to image.
・Added support for merging multiple tables into one file when converting PDF to CSV.
・Issues Addressed
・Fixed an issue that the scanned PDF cannot be converted when converting PDF to Excel.
・New Features
・Added support for converting PDF to Rich Text Format documents, including text and images.
・Added support for converting PDF to HTML, including single-page and multiple-page.
・Added support for tables when converting PDF to PPT.