How to Convert HRZ to FAX — Quick & Free
Fast, instant HRZ to FAX conversion. No signup required. Just drop your .hrz file and get .fax in seconds.
Batch Settings
About HRZ to FAX Conversion
Short answer: yes, you can convert HRZ to FAX online for free, and quality is well preserved with the right settings. Just upload your .hrz file to CocoConvert, pick FAX as the output, and click Convert. The whole process takes seconds.
Now for the details. HRZ is a widely used file format. FAX is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your HRZ file is decoded and re-encoded as FAX. Converting HRZ to FAX maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert HRZ to FAX
- 1
1. Upload HRZ
Drop your .hrz file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select FAX
Choose .fax from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .fax file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert HRZ to FAX
Your HRZ file is decoded and re-encoded as FAX.
Your HRZ file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in FAX format
The converted file is ready for download
Format Comparison
HRZ
.hrz file
| Extension | .hrz |
| MIME Type | image/x-hrz |
| Category | Image |
FAX
.fax file
| Extension | .fax |
| MIME Type | image/g3fax |
| Category | Image |
Should You Convert HRZ to FAX?
When to Convert
- ✓When you need a FAX file
Frequently Asked Questions
Is HRZ to FAX conversion free?
Yes. CocoConvert offers free HRZ to FAX conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is HRZ to FAX conversion?
Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded HRZ file and the converted FAX file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting HRZ to FAX lose quality?
Converting HRZ to FAX maintains high quality with CocoConvert's optimised encoder settings.
Can I convert FAX back to HRZ?
Yes, CocoConvert supports FAX to HRZ conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.