How to Convert FAX to DDS — Quick & Free
Fast, instant FAX to DDS conversion. No signup required. Just drop your .fax file and get .dds in seconds.
Batch Settings
About FAX to DDS Conversion
Short answer: yes, you can convert FAX to DDS online for free, and quality is well preserved with the right settings. Just upload your .fax file to CocoConvert, pick DDS as the output, and click Convert. The whole process takes seconds.
Now for the details. FAX is a widely used file format. DDS is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your FAX file is decoded and re-encoded as DDS. Converting FAX to DDS 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 FAX to DDS
- 1
1. Upload FAX
Drop your .fax file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select DDS
Choose .dds 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 .dds file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert FAX to DDS
Your FAX file is decoded and re-encoded as DDS.
Your FAX file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in DDS format
The converted file is ready for download
Format Comparison
FAX
.fax file
| Extension | .fax |
| MIME Type | image/g3fax |
| Category | Image |
DDS
.dds file
| Extension | .dds |
| MIME Type | image/vnd.ms-dds |
| Category | Image |
Should You Convert FAX to DDS?
When to Convert
- ✓When you need a DDS file
Frequently Asked Questions
Is FAX to DDS conversion free?
Yes. CocoConvert offers free FAX to DDS 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 FAX to DDS 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 FAX file and the converted DDS file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting FAX to DDS lose quality?
Converting FAX to DDS maintains high quality with CocoConvert's optimised encoder settings.
Can I convert DDS back to FAX?
Yes, CocoConvert supports DDS to FAX conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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