How to Convert OPUS to SMP — Quick & Free
Fast, instant OPUS to SMP conversion. No signup required. Just drop your .opus file and get .smp in seconds.
Batch Settings
About OPUS to SMP Conversion
Short answer: yes, you can convert OPUS to SMP online for free, and quality is well preserved with the right settings. Just upload your .opus file to CocoConvert, pick SMP as the output, and click Convert. The whole process takes seconds.
Now for the details. Opus is a versatile open codec excelling at both speech and music, used in WebRTC and Discord. SMP is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your OPUS file is decoded and re-encoded as SMP. Converting OPUS to SMP 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 OPUS to SMP
- 1
1. Upload OPUS
Drop your .opus file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select SMP
Choose .smp 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 .smp file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert OPUS to SMP
Your OPUS file is decoded and re-encoded as SMP.
Your OPUS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in SMP format
The converted file is ready for download
Format Comparison
Opus
.opus file
| Extension | .opus |
| MIME Type | audio/opus |
| Category | Audio |
SMP
.smp file
| Extension | .smp |
| MIME Type | audio/x-smp |
| Category | Audio |
Should You Convert OPUS to SMP?
When to Convert
- ✓When you need a SMP file
Frequently Asked Questions
Is OPUS to SMP conversion free?
Yes. CocoConvert offers free OPUS to SMP 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 OPUS to SMP conversion?
Most files convert in 2–10 seconds depending on size. Large audio files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded OPUS file and the converted SMP file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting OPUS to SMP lose quality?
Converting OPUS to SMP maintains high quality with CocoConvert's optimised encoder settings.
Can I convert SMP back to OPUS?
Yes, CocoConvert supports SMP to OPUS 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.