Version History

Version 7.0 (October 6, 2025)

  • Faster OCR performance: Multitasking with SIMD optimization is now enabled by default (OCR SIMD: Yes), delivering faster image decoding and processing for text recognition (Note: Available for 64-bit Windows systems only)
  • Improved accuracy with noise removal: The new OCR noise removal feature (OCR remove noise: Yes) reduces artifacts in scanned images for cleaner text recognition
  • New OCR languages: Korean and Arabic
  • Fixed PDF rotation issue: Corrected an issue where rotated PDF pages affected OCR accuracy
  • Redesigned Advanced Settings tab interface featuring improved search speed and a tree-based structure for better UI and easier navigation
  • Added new Grayscale operation (with adjustable image dithering) offering two modes: 256 shades of gray and Black and white
  • CAD to PDF conversion: ability to use eDrawings Viewer to convert CAD drawings (DXF, DWG) to PDF if Microsoft Print to PDF printer is installed
  • New Excel file loading settings allowing to show/hide gridlines, headers, and change page orientation when converting XLS/XLSX/CSV files
  • Downscaling shapes to fit page size: DocuFreezer can automatically shrink large embedded images in Outlook EML, MSG, and Word files if they exceed the page size
  • New ability to convert multiple Outlook PST messages with the same subject. To ensure that multiple message files having the same subject are successfully converted, turn off the setting Unique content in file list (Settings Advanced Unique content in file list: No)
  • Option to select code page for output TXT files — including Unicode (UTF-8), Unicode (Big-Endian), US-ASCII, or other formats (Advanced SettingsOutput formats TEXT Code page) and include a Byte Order Mark (BOM) at the beginning of the text file (Write BOM)
  • Quickly verify whether you're using the latest version — now you can click the DocuFreezer logo on the program's main window and choose Check for updates… 
  • Backward compatibility — now you can load Settings INI-files created in older DocuFreezer versions
  • New file modification date and time macros: {SrcFileDate} (Source file last write date), {SrcFileTime} (Source file last write time)
  • Fixed behavior of the {ContainerName} macro when used in output folder paths
  • New PDF Text annotation operation as an alternative to a regular Text watermark. It can speed up the processing, since it doesn't need document re-rendering and reduces file size increase. This operation is available for PDF documents only
  • New ability to apply Bates numbering either as a Text watermark or in output filenames
  • New ability to set Text watermark offset dimensions: Centimeter (cm), Millimeter (mm), Inch (in)
  • Fixed application of Russian or Chinese text as a source for QR-code Barcode watermark
  • Improved components for processing Microsoft Excel and Word files
  • New supported formats: Lotus Word Pro Document LWP (.lwp) files (via OpenOffice engine), Comic book file CBR and CBZ (.cbr, .cbz)
  • Fixed font size issue when set below 1 pt
  • Fixed watermark offset restrictions
  • Fixed applying image watermarks to raster file pages with embedded images (e.g., multipage TIFF)
  • Fixed preserving folder structure when converting PST and ZIP files
  • Fixed Auto Crop operation with 270° page rotation
  • Fixed PDF rasterization issues
  • Fixed removing unused objects in PDF files
  • Fixed Outlook PST extraction
  • Fixed Visio VSDX → PDF conversion
  • Fixed PDF bookmark copying
  • Fixed TXT margin definitions
  • Fixed text shifting when Aspose.Words engine is used
  • Fixed crash when post-processing actions were enabled

Version 6.0 (July 16, 2024)

  • Newly integrated library for better text recognition – Tesseract OCR
  • New OCR languages: Dutch, Chinese Simplified
  • Ability to convert HEIC (HEIF) images by installing the free-to-use ImageMagick application alongside DocuFreezer
  • New supported format: WebP
  • Added Polish localization
  • Updated components for better processing of HTML files and CAD drawings (DWG, DXF)
  • Updated components for better processing of Outlook PST files
  • New Resize operation that allows you to change the size of documents/images during conversion
  • Minor UI improvements
  • Fixed issue related to processing of file attachments
  • Fixed issue when converting HEIC to JPEG
  • Fixed French localization
  • Fixed issue with processing ZPL files
  • Fixed "Sent time" and "Received time" values that appear in the mail headers when MSG or EML email message files are converted
  • Other fixes and improvements

Version 5.0 (June 9, 2023)

  • New file editing operations: Auto Crop, Crop rectangle, Crop margins
  • Adding barcodes and QR codes as a watermark
  • Saving current DocuFreezer Settings as an .INI file and loading them when needed
  • Ability to apply different settings to individual files or groups of files in the List of Files
  • Ability to enable macros when processing macro-enabled Word documents
  • Plain text (TXT) file format can now be used to save & load file lists
  • CSV spreadsheets can now be used to import file lists
  • New custom file filter for adding files via Add folder button
  • Updated component for better processing of DWG and DXF drawings
  • Ability to skip "Not to Plot" layers
  • New Display line weight and Fonts to bold settings
  • Ignoring attachments of unknown type is now set by default
  • Ability to set up a placeholder instead of an unsupported attachment
  • New ways to extract EML and MSG attachments when processing Outlook emails
  • Ability to use Acrobat as OCR component for better text recognition (Adobe Acrobat must be installed)
  • New OCR languages: Italian and French
  • Correct reading of HTML file encoding if it is not specified in the HTML file code
  • New text watermark and output file name template macros: User name {user} and Computer name {computer}
  • Ability to use JPEG compression when images are converted to PDF (Image to PDF embedding)
  • Only one instance of DocuFreezer is now enabled by default
  • New Knowledge Base and updated DocuFreezer Settings website sections
  • Added German and French localization
  • Improved UI 
  • New supported format: EPUB (E-book file format, .epub)
  • Fixed issue with converting different Excel worksheets to PDF or images
  • Fixed issue with ZPL to JPEG conversion
  • Fixed issue with adding multi-line text watermarks
  • Fixed issue when adding files via drag-and-drop
  • Fixed overcluttering of Temp folder when using Merge into one file feature
  • Fixed issue when converting DWG and DXF files in Split worksheets mode
  • Fixed file naming if a macro contains an extra space in the end
  • Fixed names of some Advanced Settings and new tooltips added
  • Fixed PLT page size detection

Version 4.0 (December 16, 2021)

  • New supported formats: iPhone HEIC images (.heic, .heif), vCard electronic business cards (.vcf)
  • New rotation and auto-rotation operations
  • Ability convert XLS, XLSX files without Microsoft Excel installed
  • Ability to convert DOC, DOCX, RTF files without Microsoft Word installed
  • Ability to convert MSG and EML files without Microsoft Outlook installed
  • Added tooltips for each setting in the Advanced Settings
  • Renewed Settings panel: Page range selection added to the Common tab
  • New updated commercial component for converting DWG and DXF drawings
  • File association with EML is no longer necessary for Apple Mail File Format (EMLX)
  • Updated Features and DocuFreezer Settings website sections
  • Fixed issue with Corel Draw CDR files processing
  • Fixed issue with processing Outlook PST and OST files
  • Fixed issue with the Make PDF Searchable (OCR) function

Version 3.2 (June 17, 2021)

  • New supported formats: iCalendar ICS, Apple Mail EMLX
  • Ability to add image or text watermark automatically
  • Ability to load a list of files from an Excel spreadsheet
  • New OCR languages: Polish and Portuguese
  • New way to split multipage PDF files: X pages per file
  • New Advanced Settings tab with all available settings 
  • Ability to drag'n'drop email message files from Microsoft Outlook to the List of files
  • Ability to sort email files in the List of files by Email delivery time
  • Ability to sort email attachments in the output folder by name, type, size, date
  • Ability to set custom page size for Outlook MSG and EML files
  • Ability to keep original file names when creating a merged PDF/TIFF from email + attachments
  • Updated version of PDF files processing component
  • Updated DWG and DXF files processing component
  • Updated Outlook MSG and EML files processing component
  • Updated HTML files processing improved
  • Improved French localization and GUI
  • Improved logging: new XML-based log files
  • Updated DocuFreezer Settings and Features website sections
  • Fixed an issue with processing Outlook MSG files' headers
  • Fixed an issue with processing obsolete DOC and XLS files
  • Fixed an issue with converting multipage PDF files to JPEG files
  • Fixed an issue with converting Excel files to PDF
  • Fixed an issue with OCRing bitmapped PDF files to TXT
  • Fixed an issue with converting JPEG files with image rotation tag to PDF
  • XPS files processing fixed: the program can handle files with 50+ pages
  • MathCAD MCDX, MCTX files conversion algorithm fixed
  • PDF to TIFF conversion algorithm fixed
  • Word DOC and DOCX files processing fixed
  • Microsoft Publisher PUB files processing fixed
  • Microsoft Visio VSD, VSDX files processing fixed
  • Outlook PST files processing fixed
  • XML files processing fixed
  • TXT files processing fixed

Version 3.1 (July 17, 2019)

  • New ability to convert MathCAD Prime MCDX and MCTX files
  • New ability to set page range and extract PDF pages
  • New ability to reduce output PDF file size when converting Word DOC and DOCX files
  • New ability to save output files to the source folder
  • New ability to select compression method for output TIFF files
  • New ability to arrange multiple document pages on one sheet
  • Improved TIFF to PDF conversion algorithm
  • Improved conversion of AutoCAD DWG, DXF to PDF and image files
  • Improved JPEG to PDF conversion for increased performance and optimized output PDF file size 
  • Fixed conversion of XPS to PDF and XPS to images 
  • Fixed conversion of XML to PDF and XML to TEXT 
  • Fixed issue with converting PDF files with javascript-based forms
  • Fixed combining documents and images to a single multipage PDF
  • Minor improvements and fixes

Version 3.0 (January 24, 2019)

  • New ability to OCR scans, images, and other data to searchable PDF or TXT
  • New output file format: plain text TXT
  • New ability to convert DWG and DXF drawings to searchable PDF and images
  • New ability to split Excel files into separate worksheets
  • New ability to convert to monochrome TIFF and PNG
  • New ability to add text watermarks
  • New ability to process an unlimited number of files per one session
  • Faster file conversion to PDF
  • Faster file conversion to JPEG, PNG, TIFF
  • Improved processing of high-resolution files with large DPI
  • Improved conversion of EML and MSG with attachments to a single PDF
  • Improved processing of archives with a multi-hierarchical structure
  • Minor improvements and fixes

Version 2.0 (June 15, 2018)

  • All-new interface
  • New file formats: PDF Portfolio, CSV, MHT (MHTML) and XPS
  • Ability to merge files into one PDF or TIFF and split multi-page PDF or TIFF into single pages
  • Ability to combine PDF or TIFF files (add pages to existing documents)
  • Ability to convert files in RAR, ZIP and 7-ZIP archives
  • Ability to convert Outlook MSG and EML files with attachments
  • Ability to instantly get error reports on files which failed to convert
  • Other minor fixes and improvements

Version 1.5 (September 28, 2015)

  • Added support for WordPerfect WPD format to convert it to PDF
  • Updated Outlook MSG to PDF file conversion module
  • Updated Adobe PDF to PDF/A file conversion module
  • Fixed issues that occasionally appeared while converting Word, Excel and OpenOffice documents to PDF
  • Fixed issues that occasionally appeared while converting Word documents to JPG
  • Other minor fixes and improvements

Version 1.4 (June 10, 2015)

  • Added support for OpenOffice ODT, ODF, ODP, ODS and ODG documents, PostScript (*.PS), Encapsulated Postscript Vector graphics (*.EPS) files and SVG image files
  • Ability to split multi-page documents into separate TIFF pages
  • Other improvements and fixes

Version 1.3 (March 11, 2015)

  • Added support for Microsoft PowerPoint PPS and PPSX files
  • Ability to convert TXT to PDF or image files without Microsoft Office Word installed
  • Improved algorithms for plain text TXT and Microsoft Word DOCX files processing
  • Other improvements and fixes

Version 1.2 (October 15, 2014)

  • Ability to batch convert JPG to PDF
  • Improved algorithms for converting images to PDF files
  • Other improvements and fixes

Version 1.1 (August 4, 2014)

  • Ability to convert XPS to PDF in batch mode
  • Ability to convert HTML to PDF in batch mode
  • Other improvements and fixes

Version 1.0 (May 5, 2014)

  • First public release of DocuFreezer
  • Ability to convert multiple documents to PDF, JPG, TIFF or PNG
  • Ability to drag and drop files to the main window