How to convert PNG to AVIF
- 1. Add your PNG file
Drag a PNG file onto the box above, or click to browse. - 2. Choose AVIF
AVIF is already selected as the output — just confirm. - 3. Convert & download
Hit Convert and your new file is ready to save in a second.
PNG and AVIF explained
PNG (Portable Network Graphics): A lossless image format with transparency support, ideal for logos, graphics and screenshots.
AVIF (AV1 Image File Format): A next-generation image format offering very small file sizes at high quality.
Frequently asked questions
Is it free to convert PNG to AVIF?
Yes. Converting PNG to AVIF on SwiftConvert is completely free, with no sign-up, no watermark and no limits.
Are my files uploaded to a server?
No. The conversion runs entirely in your browser, so your files never leave your device — nothing is uploaded, which keeps your data private.
Will I lose quality converting PNG to AVIF?
Converting to AVIF applies light compression to keep the file small. A high default quality is used, and you can fine-tune it with the quality slider before downloading.
Can I convert multiple PNG files at once?
Yes. Drop several PNG files together and convert them in one go; the results download together as a ZIP.