Bulk FITS to AVIF Converter Online — Free HD Quality
Drag and drop your multiple FITS files into this 100% free online FITS to AVIF converter (.fits to .avif), and click the Convert button to bulk convert them to AVIF format in HD quality. Use the quality slider to fine-tune your AVIF output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original FITS files are removed from our servers right after. Also see:Change GIF files to JP2.
Drop your FITS files here to convert to AVIF, or click to browse
Converts .fits to AVIF (.avif) in HD quality — bulk, free, no signup
Choose FilesFITS vs AVIF — File Format Comparison
See how FITS and AVIF compare across file extension, MIME type, compression, and feature support. Related:How to batch convert FITS to GIF?.
| Feature | FITS | AVIF |
|---|---|---|
| File Extension | .fits | .avif |
| MIME Type | image/fits | image/avif |
| Compression Type | Lossless | Lossy & Lossless |
| Transparency Support | No | Yes |
| Animation Support | No | Yes |
| Metadata Support | Yes | Yes |
What Is FITS Format?
Flexible Image Transport System for astronomical data. See also:Get PDF from RAS.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is AVIF Format?
AV1 Image File Format with superior compression for modern browsers.
- Compression: Lossy & Lossless
- Transparency: Supported
- Animation: Supported