FITS to AVS — Format Comparison & Online Converter
Fast, instant FITS to AVS conversion. No signup required. Just drop your .fits file and get .avs in seconds.
Batch Settings
About FITS to AVS Conversion
FITS and AVS are both image formats, but they differ in important ways. FITS is a widely used file format. AVS is a widely used file format.
When you convert FITS to AVS, the goal is to convert between formats quickly. Converting FITS to AVS maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your FITS file is decoded and re-encoded as AVS. The conversion involves 4 steps: (1) your fits file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in avs format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a AVS file. For the opposite direction, CocoConvert also supports AVS to FITS conversion.
How to Convert FITS to AVS
- 1
Upload .fits file
Select your FITS file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .avs
Set AVS as the output format. The converter uses optimal settings based on the FITS→AVS conversion profile.
- 3
Convert
The server-side engine decodes your FITS file and re-encodes it as AVS. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .avs file. Multiple output files can be downloaded together.
What Happens When You Convert FITS to AVS
Your FITS file is decoded and re-encoded as AVS.
Your FITS file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in AVS format
The converted file is ready for download
Format Comparison
FITS
.fits file
| Extension | .fits |
| MIME Type | image/fits |
| Category | Image |
AVS
.avs file
| Extension | .avs |
| MIME Type | image/x-avs |
| Category | Image |
Should You Convert FITS to AVS?
When to Convert
- ✓When you need a AVS file
Frequently Asked Questions
What is the difference between FITS and AVS?
FITS is a widely used file format. AVS is a widely used file format.
Does FITS to AVS conversion affect quality?
Converting FITS to AVS maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, FITS or AVS?
FITS is a common image format. AVS is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does FITS to AVS conversion take?
Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is FITS or AVS better for long-term storage?
Both formats use lossy compression, so consider keeping your original source file for long-term storage.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.