Opening HRZ Files

The HRZ file type is primarily associated with Slow Scan Television (SSTV).

HRZFile Extension HRZ
File extension: HRZ
File type:  Slow Scan Television (SSTV) files

What is an HRZ file?

HRZ files mostly belong to Slow Scan Television (SSTV). Use our "Online HRZ File Viewer" below to open and view your HRZ file directly in your browser.

How do you open HRZ files?

You need a suitable software like Slow Scan Television (SSTV) to open an HRZ file. You need a suitable software like Slow Scan Television (SSTV) to open an HRZ 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 HRZ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HRZ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HRZ File Viewer

Choose your .hrz file to view this image

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

You can extract texts from HRZ file or capture a preview screenshot using our online HRZ file viewer:
  1. To do this, click the button "Choose your .hrz file to view this image" on this page.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Download the converted file.

Trouble Opening a .HRZ File? These Steps Will Help

HRZ files can originate from different programs and aren't universally openable by standard image viewers.

  1. Identify the Source: These files are most often received from amateur radio operators using Slow Scan Television (SSTV) workflows, suggesting specialized radio imaging software.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • Raw binary data often indicates a proprietary SSTV image format.
    • Standard image signatures (like "BM" or "JFIF") suggest a renamed standard image.
  3. Use the Original Software: The original program is usually required; try SSTV applications like MMSSTV or RX-SSTV, or ask the sender if uncertain.
  4. Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text or metadata, and preview when possible.

Technical Data for HRZ File Extension

Program ID:
GraphicsConverterPro.hrz, SlowView HRZ
Related links:
Mime type:
image/hrz

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: TheGIMP13
EXEFile: C:\GIMP-1.3\bin\gimp-1.3.exe %1

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


an hrz Slow Scan Television (SSTV) file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with HRZ files

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