Image Conversion
Convert SK1 to AVIF Online — Free
Fast, free SK1 to AVIF converter. No registration required.
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How to Convert
1
Upload your .sk1 file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .avif file when it's ready.
What is SK1?
SK1 is the native vector graphics format of the sK1 open-source illustration program. It is the successor to the Skencil SK format with improved features and CMYK support.
Format Details
- Full Name
- sK1 Vector
- Extension
- .sk1
Key Features
- sK1 native
- Vector graphics
- CMYK support
- Open source
What is AVIF?
AVIF is a modern image format based on the AV1 video codec. It offers the best compression available, outperforming both WebP and JPEG.
Format Details
- Full Name
- AV1 Image File Format
- Extension
- .avif
Key Features
- Best compression
- HDR support
- Transparency
- Modern browsers
SK1 vs AVIF
| Feature | SK1 | AVIF |
|---|---|---|
| Full Name | sK1 Vector | AV1 Image File Format |
| Extension | .sk1 | .avif |
| Best For | sK1 native | Best compression |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.