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