MMegaConvert

Convert HEIC to APNG

Free online HEIC to APNG converter. No signup required.

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Max file size: 100 MB

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How to Convert HEIC to APNG

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 APNG"

    Once your file is uploaded, press the convert button to start the HEIC to APNG 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 .apng file

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

Understanding HEIC and APNG 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

Animated PNG

image/apng

APNG (Animated Portable Network Graphics) is an extension of the PNG format that enables frame-based animation similar to GIF but with full 24-bit color and 8-bit alpha transparency. It was developed by Mozilla and stores animation frames as additional PNG chunks within the file. APNG files degrade gracefully in applications that do not support animation, displaying the first frame as a static PNG.

Advantages

  • Full 24-bit color and 8-bit alpha transparency in animated images
  • Backwards compatible with static PNG viewers showing the first frame
  • Significantly better visual quality than GIF for animated content

Limitations

  • Larger file sizes than GIF for simple animations with few colors
  • Not an official W3C standard, though widely supported in browsers
  • Limited tooling and editor support compared to GIF

Common Uses

  • High-quality animated stickers and emojis
  • Animated web graphics requiring transparency and full color
  • Animated favicons and UI elements with smooth gradients

Frequently Asked Questions

Common questions about converting HEIC to APNG.

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