Online Searchable Document App and PDF Text Search API Code

Develop powerful Java based PDF document search engine software or utility app. Test online document text finder app for free.

PDF Search via Python PDF Search via C# .NET PDF Search via C++ PDF Search in Android Apps

How to Search in PDF via Online App

  1. Upload PDF file to search by clicking inside the drop area or via drag and drop.
  2. Enter the search criteria by specifying the parameters.
  3. Click the “SEARCH” button to search PDF.
  4. Download the searched PDF to view instantly.

How to Search PDF File via Java

  1. Install ‘Aspose.PDF for Java’.
  2. Add a library reference (import the library) to your Java project.
  3. Open the source PDF file using Document class.
  4. Create TextFragmentAbsorber object to find all instances of the input.
  5. or define the search criteria in Regex.
  6. Accept the absorber for the page using getPages().accept(textFragmentAbsorber).
  7. Get the extracted text fragments collection via textFragmentAbsorber.getTextFragments().
  8. Loop through the fragments to get the output.

Code example in Java to Search Text in PDF Files


Develop PDF File Search Engine via Java

Need to develop a PDF searchable software or utility? With Aspose.PDF for Java a child API of Aspose.Total for Java, any Java developer can integrate the above API code to program text search across documents. Powerful Java library allows programming document search software solution that can support many popular formats including PDF format.

Java library to Search PDF File

System Requirements

  • J2SE 8.0 (1.8) or above (for example Java 10)
  • Support on IBM i (Iseries or As/400)
  • Java package is cross-platform and runs on all operating systems with JVM implementation.
  • Operating systems include Microsoft Windows, Linux, macOS, Android and iOS.

Fore more details please refer to Product Documentation .


  • Can I use above Java code in my application?
    Yes, you are granted permission to download this code or duplicate it for the purpose of crafting Java-based applications specialized in text extraction and retrieval from various file types.
  • Is this document searchable App work only on Windows?
    You have the freedom to initiate searches from virtually any device, regardless of its operating system, be it Windows, Linux, Mac OS, or Android. All that's required is access to a contemporary web browser and a stable internet connection.
  • Is it safe to use the online app PDF Document Search?
    Of course! The files generated as output through our service undergo an automated process of deletion from our servers within a time frame of 24 hours. As a result, the download links associated with these files will cease to remain functional after this specific 24-hour period has elapsed. This approach is implemented to ensure the secure and timely removal of your files from our server environment, safeguarding your data privacy
  • What browser should to use App?
    You can use popular web browsers like Google Chrome, Firefox, Opera, or Safari for online PDF document searches. If you're building a desktop application, we suggest using the Aspose.Total Document Search API for efficient processing.

Explore File Search Options with Java

Search in DOC (Microsoft Word Binary Format)
Search in DOCX (Office 2007+ Word Document)
Search in ODP (OpenDocument Presentation Format)
Search in ODS (OpenDocument Spreadsheet)
Search in ODT (OpenDocument Text File Format)
Search in PDF (Portable Document Format)
Search in PPT (PowerPoint Presentation)
Search in PPTX (Open XML presentation Format)
Search in XLS (Microsoft Excel Binary Format)
Search in XLSX (Open XML Workbook)