Instantly Search Terabytes

Includes dtSearch's own document filters

Supports a wide variety of data types

PDF: PDF through PDF 2.0; PDF Portfolio
MS Office: Word, Excel, PowerPoint, Access, OneNote files, including files saved from Office 365
Other "office": OpenOffice; certain international office formats; XBASE, CSV, RTF, SPL, etc.
Compression formats: RAR, ZIP, GZIP and TAR
Emails: Exchange, Outlook, Thunderbird, etc. with multilevel nested attachments
Web data: HTML, XML/XSL, PDF, ASP.NET, CMS, PHP, WordPress, SharePoint, etc.
Through APIs: NoSQL / SQL data including BLOB data, other non-file data like network data streams
Also through APIs: Azure-specific data stores and AWS-specific data stores

Over 25 full-text and metadata search features

Efficient multithreaded searching with no limit on the number of concurrent search threads
Federated searching with integrated relevancy-ranking across multiple data types
Easy multicolor hit-highlighting (where document filters convert to HTML for display)
Forensics-oriented search options (hash support, credit cards, etc.)
Extensive international language support
Faceted search or “drill down” category searching (through APIs)
Granular search results filtering with multiple classification options (through APIs)

Developers:  add instant search and data support

Cross-platform APIs for C++, Java and .NET with .NET Standard / .NET Core; ASP.NET Core faceted search live demo plus tutorial
SDKs for Windows, Linux, macOS
The dtSearch Engine also works on cloud platforms like Azure and AWS.
Document filters "only" licenses available
The Smart Choice for Text Retrieval® since 1991