.NET API to Manipulate Metadata

Build .NET Applications to Read, Edit, Remove, Search, Compare, Replace and Export Meta Information of all Popular Document Formats.

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.NET metadata API

GroupDocs.Metadata for .NET


GroupDocs.Metadata for .NET API, easily integrates with your C#, ASP.NET and other .NET based applications to help your end-users manipulate metadata of documents, images, archives, torrents and various other file formats. It makes reading, editing, replacing, removing of metadata a very quick and easy process. Through GroupDocs.Metadata for .NET API, you can also compare two documents to identify differences and similarities present in their metadata properties. You can also export metadata of required documents to Excel, CSV or DataSet.

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GroupDocs.Metadata for .NET Features



Identify Built-in & Custom Metadata


Retrieve & Remove Hidden Data in Microsoft Word, Excel, PowerPoint & PDF


Run-time Recognition of Document File Type


Ability to Detect/Remove Digital Signatures


Identify Password Protection & Support for the Matroska Multimedia Container


Retrieve Thumbnails & Render Image Previews for Supported Formats


Detect MIME Type of a Specific File or File Stream


Enumerate any Type of Metadata


Use Defined Key to Read Metadata Property of Supported Formats


Read Metadata of Email Messages & Parse OpenType Font Files


Read Matroska subtitles and retrieve Metadata of Audio & Video Files


Get Metadata of Archive formats & Torrents


Compare Metadata Properties of Supported Formats & Identity Differences or Similarities


Search Metadata Properties of Files


Replace Metadata Properties of Supported File Formats


Extract Metadata from Microsoft Excel Files Starting from Excel 95


Find Photos Made on Specific Camera


Import Images Metadata Properties & Remove Location Info from Photos


Remove Metadata From All The Reports/Documents


Remove All The Comments From The Reports/Documents


Reducing Memory Consumption of Documents & Images

Quickly Fetching Metadata Properties

Using GroupDocs.Metadata for .NET API, manipulating any sort of metadata for supported file formats is pretty straight forward business. Following piece of code demonstrates how easy it is to remove Photoshop metadata from a JPEG file using C#:

Remove Photoshop Metadata from JPEG Image using C#

// Initialize JpegFormat
using (JpegFormat jpegFormat = new JpegFormat("sample.jpeg"))
// Remove photoshop metadata
// Commit changes

Retrieval and Manipulation of Hidden Data

GroupDocs.Metadata for .NET provides a handy mechanism to fetch and remove hidden data in PDF as well as Microsoft Word, Excel, and PowerPoint documents. Following is a list of metadata information that you can manipulate using GroupDocs.Metadata for .NET:

  • Microsoft Word (Comments, Hidden Text, Merge Fields)
  • Microsoft Excel (Comments, Hidden Sheets)
  • Microsoft PowerPoint (Comments, Hidden Slides)
  • PDF Documents (Attachments, Annotations, Bookmarks, Form Fields)

Support and Learning Resources


GroupDocs.Metadata offers file metadata APIs for other popular development environments as listed below: