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