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What is HEIC?

HEIC (High Efficiency Image Container) is a modern image format developed by the HEVC industry group. It uses advanced compression to achieve much smaller file sizes than JPEG.

What is AVIF?

AVIF (AV1 Image File Format) is a new image format based on the AV1 video codec. It provides outstanding image quality and compression efficiency.

When Should You Use HEIC vs AVIF?

Use HEIC When...

Reach for HEIC when your priority is ios photography, mobile devices — its efficient compression makes sharing fast and storage minimal.

Use AVIF When...

Reach for AVIF when your priority is modern web, next-generation web applications — its efficient compression makes sharing fast and storage minimal.

HEIC vs AVIF: Key Differences

  • •HEIC uses lossy compression while AVIF uses lossy compression — both take the same approach to file size management.
  • •Neither format changes compression philosophy — both are lossy compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Transparency: Supports full alpha channel transparency
  • •Storage footprint: 50% smaller than equivalent JPEG for HEIC vs 40-50% smaller than JPEG/PNG for AVIF.
  • •Primary audience: HEIC is built for ios photography, mobile devices scenarios, while AVIF focuses on modern web, next-generation web applications — pick the format that matches your output requirement.

Advantages of HEIC

  • ✓The lossy nature of HEIC means file sizes stay reasonable while handling iOS photography, mobile devices efficiently.
  • ✓From mobile devices to enterprise servers, HEIC is recognized and supported everywhere.
  • ✓Storage and bandwidth costs drop significantly when using HEIC thanks to its efficient compression.
  • ✓HEIC is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of AVIF

  • ✓AVIF uses lossy compression tailored for Modern web, next-generation web applications.
  • ✓AVIF is supported natively on virtually every device, browser, and operating system.
  • ✓AVIF files are compact and quick to transfer, even over slow connections.
  • ✓AVIF integrates seamlessly with all major web development tools and workflows.

Common Use Cases for HEIC to AVIF Conversion

  • Blog and article illustrations
  • Mobile app UI assets
  • Product photography for marketplaces
  • Digital art portfolios
  • Brochure and flyer design
  • Newsletter graphics

Industry Applications

AdvertisingBrand ManagementContent ManagementMedical ImagingReal Estate PhotographyGame Development

Best Practices for HEIC to AVIF Conversion

  • →When converting HEIC to AVIF, check whether AVIF supports transparency — if not, your transparent areas will be filled with a solid color
  • →Use AVIF for maximum quality archival and HEIC for smaller file sizes when quality is less critical
  • →Optimize images for web to reduce page load times — tools like our converter let you adjust quality settings before conversion
  • →Maintain original aspect ratio to avoid distortion during conversion
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

What Is HEIC Format and How to Convert HEIC to JPG

Learn more about HEIC and AVIF formats in our detailed guide.

Troubleshooting HEIC to AVIF Conversion

  • !Converting HEIC to AVIF gives blurry output → increase the quality setting before conversion
  • !Colors look different in AVIF than HEIC → check color profile mismatch (sRGB vs Adobe RGB)
  • !File size changed more than expected → AVIF uses different compression, file size differences of 2-5x are normal
  • !Transparent areas in HEIC turned white in AVIF → AVIF may not support transparency

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Convert HEIC to AVIF Online - Free & Fast

Convert HEIC files to AVIF online for free. High-quality conversion with no registration required.

Image Converter

Upload or enter a URL to convert HEIC to AVIF instantly

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.heic,.HEIC (max 100MB)

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About HEIC and AVIF

HEIC

HEIC is widely used for iOS photography, mobile devices. While it is the go-to format in its domain, converting to AVIF gives you avif - av1 image file format, next-gen compression, making your files more suitable for different workflows and platforms.

AVIF

AVIF is designed for Modern web, next-generation web applications. Converting from HEIC unlocks avif - av1 image file format, next-gen compression, ensuring your files work optimally in modern web, next-generation web applications environments.

Common Use Cases

  • Convert HEIC files to AVIF for better compatibility with modern web, next-generation web applications applications.
  • Leverage AVIF's strengths — avif - av1 image file format, next-gen compression — when working with content originally in HEIC format.
  • Optimize your workflow by switching from HEIC to AVIF when modern web, next-generation web applications is your primary need.
  • Ensure smooth sharing and processing by converting HEIC to the widely supported AVIF format.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from ios photography, mobile devices to modern web, next-generation web applications
File Size~40-50% smaller than JPEG/PNG after conversion

FAQs

Is converting HEIC to AVIF free?

Yes, GoConvertFile offers free conversion of HEIC to AVIF for files up to 100MB. No registration required.

How long does it take to convert HEIC to AVIF?

Most HEIC to AVIF conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is AVIF best used for?

AVIF is ideal for modern web, next-generation web applications. AVIF - AV1 Image File Format, next-gen compression

What file size should I expect after converting HEIC to AVIF?

File size after HEIC to AVIF conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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Tune output for this image conversion
80%
Best compressionBest quality