How to Convert DPX to FAX — Quick & Free
Fast, instant DPX to FAX conversion. No signup required. Just drop your .dpx file and get .fax in seconds.
Batch Settings
About DPX to FAX Conversion
Short answer: yes, you can convert DPX to FAX online for free, and quality is well preserved with the right settings. Just upload your .dpx file to CocoConvert, pick FAX as the output, and click Convert. The whole process takes seconds.
Now for the details. DPX 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 DPX file is decoded and re-encoded as FAX. Converting DPX 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 DPX to FAX
- 1
1. Upload DPX
Drop your .dpx 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 DPX to FAX
Your DPX file is decoded and re-encoded as FAX.
Your DPX 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
DPX
.dpx file
| Extension | .dpx |
| MIME Type | image/x-dpx |
| Category | Image |
FAX
.fax file
| Extension | .fax |
| MIME Type | image/g3fax |
| Category | Image |
Should You Convert DPX to FAX?
When to Convert
- ✓When you need a FAX file
Frequently Asked Questions
Is DPX to FAX conversion free?
Yes. CocoConvert offers free DPX 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 DPX 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 DPX 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 DPX to FAX lose quality?
Converting DPX to FAX maintains high quality with CocoConvert's optimised encoder settings.
Can I convert FAX back to DPX?
Yes, CocoConvert supports FAX to DPX 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.