What's new in v1.9.0

Convert HEIC to AVIF on Mac

AVIF offers even better compression than HEIC with broader web support. Ideal for optimizing iPhone photos for the web.

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Why convert HEIC to AVIF?

  • Convert HEIC to AVIF in seconds with batch processing
  • All processing happens locally on your Mac, files never leave your device
  • Drag and drop files or entire folders for instant conversion
  • Reduce file sizes significantly with modern compression

How to convert HEIC to AVIF on Mac

  1. 1

    Open Picmal

    Download and open Picmal on your Mac.

  2. 2

    Add your HEIC files

    Drag and drop your HEIC files or entire folders into Picmal.

  3. 3

    Select AVIF and convert

    Choose AVIF as the output format and click Convert.

HEIC vs AVIF

.heic

HEIC

High Efficiency Image Container

Apple's default photo format since iOS 11. Based on the HEVC (H.265) codec standardized by ISO/IEC 23008-12, HEIC offers up to 50% better compression than JPEG at equivalent visual quality.

Best for

iPhone photos and Apple ecosystem storage

.avif

AVIF

AV1 Image File Format

Next-generation image format based on the royalty-free AV1 video codec developed by the Alliance for Open Media (AOMedia). Netflix's 2020 research showed AVIF achieves 50% better compression than JPEG at equivalent perceptual quality.

Best for

Web performance optimization and modern websites

Frequently Asked Questions

Something not covered here? Write to support@picmal.app

How do I convert HEIC to AVIF on Mac?

Open Picmal, drag and drop your HEIC files, select AVIF as the output format, and click Convert. Picmal processes everything locally on your Mac, no uploads needed.

Does converting HEIC to AVIF lose quality?

AVIF uses lossy compression, so there may be a slight quality reduction. Picmal lets you adjust the quality slider to find the right balance between file size and quality.

Can I batch convert multiple HEIC files to AVIF?

Yes. Picmal supports batch conversion. Drag and drop hundreds of HEIC files or entire folders and convert them all to AVIF at once.

Is it free to convert HEIC to AVIF with Picmal?

Picmal is free for 7 days, then a one-time purchase of $29, no subscription. 14-day money-back guarantee after you buy.

Format standards & sources

Need to compress instead?

If you don't need to change formats, Picmal can also compress your files to reduce size:

.avif Compress AVIF

Related conversions

HEIC to JPG HEIC to PNG HEIC to WebP JPG to AVIF PNG to AVIF
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Convert HEIC to AVIF with Picmal

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