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Convert AVIF to HEIF

· Last updated：2025-10-15

Convert AVIF images to HEIF format with modern compression and quality preservation

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Written by the Elysia Tools team
Image355
Compression131
Modern19
AVIF16
HEIF8
HEIC5

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category
Media
Input types
file, range, select, checkbox
Output type
file
Sample coverage
4
API ready
Yes

Overview

Easily convert your AVIF images to the HEIF format while maintaining high visual quality and efficient compression. This tool is designed for users who need to ensure compatibility with Apple devices and modern software ecosystems that prioritize the HEIF/HEIC standard.

When to use

  • When you need to make AVIF images compatible with iOS or macOS native applications.
  • When you want to optimize image storage while preserving high-fidelity visual details.
  • When migrating web-based AVIF assets to a format better suited for local storage and device-native viewing.

How it works

  1. 1Upload your AVIF image file into the converter.
  2. 2Adjust the quality, compression level, and chroma subsampling settings to suit your specific needs.
  3. 3Choose whether to retain original metadata and transparency channels.
  4. 4Click the convert button to generate and download your new HEIF file.

Use cases

  • Preparing image assets for native iOS app development.
  • Standardizing image libraries for better compatibility across Apple devices.
  • Converting web-optimized AVIF files for professional photography workflows on macOS.

Compare alternatives

  • Convert AVIF images to JPEG format with quality control, background options, and web optimization

  • Convert AVIF images to TIFF format with lossless quality, compression options, and professional workflows

  • Convert AVIF images to WebP format with advanced compression options and web optimization

Who it's for

Best for

  • Convert images in the browser.
  • Workflows where Chroma Subsampling matters, such as 4:4:4 (Best Quality) or 4:2:2 (High Quality).
  • Repeatable jobs with images and the same settings every time.

Not ideal for

  • Fully automated batch jobs — this page is built for interactive use; use the API endpoint for scripts.
  • Files in formats this tool does not accept — it works with .avif input.

Edge cases & common failures

  • Very large files

    Large files take longer and can hit browser memory limits — try a smaller sample first.

  • Skipping the output check

    Compare the first rows or pages of the output with the input before using it in production.

  • Files from unusual exporters

    Some files use format variants that do not convert cleanly — if the output looks wrong, re-save the file from the app that created it and try again.

Examples

1. Optimizing Web Assets for iOS

Web Developer

Background

A developer has a collection of high-quality AVIF icons and graphics intended for a web project that also needs to be displayed in a native iOS app.

Problem

The native iOS app does not natively support AVIF, causing display issues.

How to use

Upload the AVIF files, set quality to 90, and ensure 'Preserve Transparency' is checked.

quality: 90, preserveTransparency: true

Outcome

The images are converted to HEIF with transparency intact, allowing them to render perfectly within the iOS application.

2. Archiving Photography Metadata

Photographer

Background

A photographer uses AVIF for web previews but wants to store the final versions in a format compatible with Apple Photos while keeping camera settings.

Problem

Standard conversion often strips away critical EXIF data like camera model and exposure settings.

How to use

Upload the AVIF file and enable the 'Keep Metadata' option.

FAQ

What is the difference between AVIF and HEIF?

Both are modern, highly efficient image formats. AVIF is often used for web delivery, while HEIF is widely supported by Apple hardware and software.

Will I lose image quality during conversion?

You can control the quality level using the slider. Setting it to a higher value minimizes quality loss, though it may result in a larger file size.

Can I keep my EXIF data?

Yes, by enabling the 'Keep Metadata' option, the tool will preserve your original EXIF, IPTC, and XMP data.

Does this tool support transparent images?

Yes, ensure the 'Preserve Transparency' checkbox is selected to maintain the alpha channel in your output file.

What is the best compression level to use?

A level of 6 is the default balance. Use lower numbers for faster processing and higher numbers for smaller file sizes.

Hub

Image Format Conversion Without Losing Transparency or Motion

Convert still images, icons, or animated assets into a delivery-friendly format while protecting transparency, frame behavior, dimensions, and preview compatibility.

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Outcome

A high-quality HEIF file is produced that retains all original camera metadata, ready for import into Apple Photos.

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