Opening an HDRU File

The HDRU file type is primarily associated with Apollo HDRU.

HDRU	File extension: HDRU
	File type:	Apollo HDRU files

What is an HDRU file?

HDRU files mostly belong to Apollo HDRU. Use our "Online HDRU File Viewer" below to open and view your HDRU file directly in your browser.

How do you open HDRU files?

You need a suitable software like Apollo HDRU to open an HDRU file. You need a suitable software like Apollo HDRU to open an HDRU file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HDRU file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HDRU file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HDRU File Viewer

Choose your .hdru file to view this image

or drag and drop it here

Online File Viewer

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How to extract texts from HDRU files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

If you want to extract texts from HDRU file or capture a screenshot, you can use our free Online HDRU File Viewer:

To do so, click the "Choose your .hdru file to view this image" button above.
After your file is opened in browser,
click "Save as..." in the menu.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Trouble Opening a .HDRU File? These Steps Will Help

HDRU files can come from different programs and aren't universally openable.

Identify the Source: These files often come from scientific researchers or imaging workflows, suggesting Apollo HDRU software or data logging tools.
Check the Header: Open the file in a hex viewer or text editor to inspect the first bytes.
- Readable XML or JSON indicates a structured text file.
- A "PK" signature means it is a ZIP archive.
- Unreadable binary data suggests a proprietary format.
Use the Original Software: The original program is usually required. Try Apollo HDRU, a compatible DICOM viewer, or ask the sender if uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for HDRU File Extension

Related links:

XnView

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: GraphicsConverterPro.hdru, FileType: Apollo HRDU, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

an hdru Apollo HDRU file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with HDRU files

Associate the HDRU file extension with the correct application.
Update your software that should actually open Apollo HDRU files. Because only the current version supports the latest HDRU file format. Search, therefore, e.g. on the manufacturer website after an available Apollo HDRU update.
To make sure that your HDRU file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .HDRU file online - secure, fast, and no downloads needed.