Supported file formats

Microsoft Office and OpenDocument formats

• Word: DOCX, DOC, DOCM,DOT, DOTM, DOTX, RTX, RTF, TXT
• Excel: XLSX, XLS, XLT, XLTM, XLSB, XLSM
• PowerPoint: PPTX, PPT, POT, POTX, PPS, PPSX
• Outlook: EML, EMLX, MSG
• OneNote: ONE
• OpenDocument: ODT, ODP, OTP, ODS, OTT
• Fixed Page Layout: PDF

Images, Graphics and Diagrams

• Raster images: BMP, GIF, JPG, JPEG, PNG
• Medical Imaging: DICOM
• Microsoft Visio: VSDX, VSD, VSS, VST, VDX
• AutoCAD Drawing: DWG, DXF

Other

• Text: TXT
• Programming Languages: CS, Java, CPP, JS, PY, RB, PL, ASM, GROOVY, JSON, PHP, SQL, LOG, DIFF, LESS, SCALA
• Web: HTM, HTML, MHT, MHTML
• e-Books: MOBI, DjVu
• Delimiter-Separated Values: CSV

GroupDocs.Comparison for Node.js via Java features

• Easy to use document comparison - Analyze and identify differences within two documents.
• Compare multiple documents - Analyze and identify differences within multiple documents simultaneously.
• Supported formats - Supports more than 50 popular document formats from various categories.
• Accept or reject changes - Clear visual representation of identified changes, providing the option to accept or reject modifications.
• Generate previews - Save the results of the comparison as images.
• Content comparison - Compare text content line-by-line, by paragraphs, by words, by characters. Highlight the changes.
• Style comparison - Detect changes in formatting and styles.
• Set metadata - Keep metadata from either the source or target files or allow it to be specified by users.
• Password protection - Analyze the encrypted documents, or secure the resulting document with a password.
• Compare specific pages - Load just the particular sections or pages of the document.
• Display comments - When loading the source document you can choose whether to hide or show comments.