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.