Supported file formats

Microsoft Office and OpenDocument formats

• Portable: PDF
• Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX, RTF
• Excel: XLSX, XLS, XLT, XLTM, XLSB, XLSM
• PowerPoint: PPTX, PPT, PPTM, POTX, POTM, PPSM, PPSX
• OpenDocument: ODT, ODP, ODS

Images and Graphics

• Popular image formats: BMP, JPG, JPEG, PNG
• Multi-page images: GIF, WEBP, TIFF

Other

• Outlook: EML, EMLX, MSG, OFT
• Microsoft Visio: VSDX, VSTX, VSSX, VSDM, VSSM, VSTM, VSD, VDX, VSX, VTX, VSS, VST, VDW

GroupDocs.Watermark for Node.js via Java Features

• Precise Watermarking Control - Precisely manipulate watermarks by adding or removing them from specific sections, entire documents, or individual attachments and shapes within different file formats.
• Customization of Watermark Appearance - Exert fine-grained control over watermark aesthetics by modifying attributes like color, font, opacity, rotation, and positioning within the document.
• Print PDF Watermarking - Deploy a stealthy watermark that remains invisible during regular document viewing but becomes apparent only during the printing process, enhancing document security discreetly.
• Specific Image Watermarking - Watermark specific images within a document using our solution. Choose to embed watermarks in a designated section (e.g., page, slide) or across the entire document.
• Multi-Frame Images Watermarking - Apply watermarks selectively to specific frames within a multi-frame image format, ensuring granular control over watermark placement.
• Comprehensive Content Protection - Extend protection to various document elements like attachments within Excel documents and image shapes within Presentations, providing an additional layer of security.
• Advanced Watermarking in PDF - Watermark different areas of PDFs, including Bleed Box, Art Box, Crop Box, Trim Box etc.
• Background Image Watermarking - Manage watermarks within the background images of Spreadsheets and Presentations, offering additional customization options for visual security measures.
• Text Watermark with Unreadable Characters - Employ unreadable characters within text watermarks embedded in Presentations, bolstering security by making unauthorized watermark extraction significantly more challenging.
• Advanced Watermark Search - Utilize comprehensive search capabilities to locate watermarks within documents based on specific parameters or by combining various criteria, enabling efficient retrieval and management.
• Similar Image Watermark Detection - Find similar watermark images within documents that visually resemble an source image.
• Programmatic Document Information Extraction - Extract valuable metadata programmatically, including page setup details and other document information for supported file formats.