MMegaConvert

Convert HEIC to AVIF

Free online HEIC to AVIF converter. No signup required.

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Max file size: 100 MB

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How to Convert HEIC to AVIF

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .heic file

    Drag and drop your .heic file into the upload area, or click "Browse" to select it from your device. Your file is uploaded securely and processed on our servers.

  2. 2

    Click "Convert to AVIF"

    Once your file is uploaded, press the convert button to start the HEIC to AVIF conversion process.

  3. 3

    Wait for the conversion to complete

    The conversion usually takes just a few seconds. You can see the progress in real time while your file is being processed.

  4. 4

    Download your converted .avif file

    When the conversion is finished, click the download button to save your new .avif file. The file is ready to use immediately.

Understanding HEIC and AVIF Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

HEIC Image

image/heic

HEIC (High Efficiency Image Container) is a container format based on the HEIF standard that stores images compressed with the HEVC (H.265) codec. It is the default photo format on Apple devices running iOS 11 and later, offering roughly 50% file size reduction compared to JPEG at similar quality. HEIC supports advanced features including image sequences, depth maps, and auxiliary data.

Advantages

  • Approximately 50% smaller file sizes compared to JPEG at equivalent quality
  • Supports 16-bit color depth, alpha transparency, and depth maps
  • Can store multiple images, live photos, and burst sequences in a single file

Limitations

  • Limited support on Windows and Android without additional codecs
  • HEVC codec is subject to patent licensing requirements
  • Not supported by most web browsers for direct display

Common Uses

  • Default photo format on iPhones and iPads
  • Space-efficient photo storage on Apple devices
  • Live Photos and burst sequences on iOS

Target Format

AVIF Image

image/avif

AVIF (AV1 Image File Format) is a modern image format based on the AV1 video codec, offering significantly better compression than JPEG and WebP. It supports both lossy and lossless compression, HDR, wide color gamut, alpha transparency, and animated sequences. AVIF is developed as a royalty-free open standard by the Alliance for Open Media.

Advantages

  • Superior compression efficiency, often 50% smaller than JPEG at equivalent quality
  • Supports HDR, wide color gamut (10-bit and 12-bit), and alpha transparency
  • Royalty-free and open standard with growing browser support

Limitations

  • Encoding is significantly slower than JPEG or WebP
  • Not yet universally supported in all browsers and image editors
  • Maximum image dimension limitations in some implementations

Common Uses

  • Next-generation web image optimization for bandwidth savings
  • High-quality HDR image delivery on supporting platforms
  • Progressive replacement for JPEG and WebP in web applications

Frequently Asked Questions

Common questions about converting HEIC to AVIF.

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