AVIF Converter.

Unlimited Batch converts PNG, JPG (and much more!) to AVIF without upgrading.
Unlimited Batch converts AVIF to PNG (to JPEG is enabled by upgrading).
Add a watermark with converting.(In-App Purchase)
# Easy to Use
You can drag & drop images, folders, and directories from web browsers like Safari.
You can output multiple types of images at one time.
※ Encoding to AVIF takes times, please be patient for completion.
I recommend a Speed value of 8 for fast conversion.
# Secure
All processes are done on your mac.
You don't need to upload your important images to the Internet.
# In-App Purchase - Quality, Resize, Preview Pack
- Convert AVIF to JPEG.
- AVIF encoding options. (Quality, Lossless, Chroma Subsampling)
- Resize with maxWidth and maxHeight.
- Preview result.
- Keep the original extension at the filename.
- Adding prefix or suffix at filename.
※ Lossless may be automatically a little lossy for stable encoding depending on the image. Please change the speed option to convert faster.
# In-App Purchase - Unlimited Watermark Image Pack
- No limit to adding a watermark.
# Some of the features are alpha release
- There are experimental features.
- Images with over 8-bit depth may not be decoded/encoded it's color properly.
- Animated images may be decoded/encoded to static images.
※ I'm waiting for your report for use.
# Other
※ If you have any requests, please send an E-mail to sonice.d1v1b[-]gmail.com. ([-]→@)
※ Please note that macOS default apps cannot read correct AVIF images yet.
※ Please restore the purchase after reinstalling the app.
※ Open Help > In-App Purchase to see the details about In-App Purchase.
※ Please refer to https://d1v1b.com/termofuse for the Terms of Use.
※ I appreciate the use of @kyawthutun's image for the app icon.
https://unsplash.com/photos/tp5sz33nBcg