AnyConvert

Convert AVIF to HEIF Online

AVIF is a cutting-edge image format built on the AV1 video codec. HEIF is a versatile container for images, sequences, and auxiliary data. AnyConvert converts AVIF to HEIF securely without installing desktop software.

AVIF to HEIF Converter

Convert your AVIF files to HEIF format quickly and easily. Upload your file and download the result.

Max file size: 50MB

Why convert AVIF to HEIF?

Switching from AVIF helps you avoid encoding is computationally expensive compared to legacy formats. HEIF excels at high compression efficiency with visual quality comparable to or better than jpeg at half the size, making it a better fit when clients or platforms expect storing photos captured on modern ios devices or flagship smartphones.

High Efficiency Image File Format also offers supports alpha transparency, hdr, image sequences, and depth maps in a single container. That means your converted files stay useful for storing photos captured on modern ios devices or flagship smartphones and delivering high-quality imagery with reduced storage requirements.

AVIF strengths

  • Significant savings over JPEG and often WebP for photographic content
  • Supports HDR, wide color gamuts, alpha transparency, and animation
  • Royalty-free and engineered for efficient delivery on modern hardware

HEIF advantages

  • High compression efficiency with visual quality comparable to or better than JPEG at half the size
  • Supports alpha transparency, HDR, image sequences, and depth maps in a single container
  • Extensible metadata model suitable for modern photography workflows

Key differences

FeatureAVIFHEIF
CompressionLossyLossy or lossless
Transparency / AlphaSupports alpha channelSupports alpha channel
Typical file sizeCompact (lossy compression)Varies (depends on chosen codec)
Best suited forHigh-quality hero imagery with HDR on modern websites and Mobile applications that need pristine visuals at minimal bandwidth costStoring photos captured on modern iOS devices or flagship smartphones and Delivering high-quality imagery with reduced storage requirements
StandardOpen, royalty-free specificationOpen, royalty-free specification

Before you convert

  • Keep a backup of your original file before converting so you can roll back if needed.
  • Review known pain points: Still limited support in some design tools and CMS pipelines. Adjust your source file accordingly.

Quality tips

  • Use the resize controls to match the pixel dimensions your project actually needs.
  • Preview the background fill—set it to white, black, or brand colors so transparent elements look intentional.
  • Download the result immediately and open it in the target application to verify everything matches expectations.

Where HEIF fits best

Once you have the converted file, you can plug it straight into storing photos captured on modern ios devices or flagship smartphones, delivering high-quality imagery with reduced storage requirements, and archiving burst photos, live photos, and depth-enhanced captures. HEIF is the format teams expect in those environments, so you spend less time re-exporting or explaining compatibility issues.

Common HEIF use cases

  • Storing photos captured on modern iOS devices or flagship smartphones
  • Delivering high-quality imagery with reduced storage requirements
  • Archiving burst photos, live photos, and depth-enhanced captures

Tools that open HEIF

  • Apple Photos
  • Adobe Lightroom (with HEIF support enabled)
  • GIMP with libheif plugin

Frequently asked questions

Does converting AVIF to HEIF reduce quality?

No—HEIF preserves the original fidelity. You still want to open the converted file once to confirm fonts, colors, or audio loudness survived the transfer.

Is there a file size limit for converting AVIF?

Yes—uploads up to 150 MB convert reliably in the browser. For larger assets, split them into smaller segments first so the process stays responsive.