HEIF to AVIF Converter

Convert HEIF to AVIF with our free online tool. It’s fast, secure, and simple to use – ideal for converting HEIF files to AVIF format with no software needed.

Drop HEIF files here

Support for multiple file formats

Multiple files supported

No file size limit

100% secure

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How to convert HEIF to AVIF Online

Transform your HEIF files to AVIF format in three simple steps with professional-grade quality

Upload HEIF Files

Select your HEIF files using our secure upload interface. Support for batch processing means you can convert multiple files simultaneously.

Convert to AVIF

Our advanced conversion engine processes your HEIF files with enterprise-grade algorithms to produce high-quality AVIF output.

Download AVIF Files

Download your converted AVIF files individually or as a convenient ZIP archive. Files are ready for immediate use.

Why Convert HEIF to AVIF?

Convert your HEIF images to AVIF format for better compatibility, smaller file sizes, and universal support across all devices and platforms

Universal Device Support

AVIF format works on all devices, browsers, and applications. Perfect for sharing images without compatibility issues.

Works everywhere

Optimized File Size

Convert HEIF to AVIF for better compression and smaller file sizes, perfect for web use and faster uploads.

Up to 80% smaller

Easy Photo Editing

AVIF format is supported by all photo editing software, making it easier to edit, enhance, and modify your images.

All editors support it

Web & Social Media Ready

AVIF images load faster on websites and are accepted by all social media platforms for instant sharing.

Convert Multiple Images

Upload and convert hundreds of HEIF images to AVIF format simultaneously. Save time with bulk conversion.

Convert Your HEIF Images Now

Transform your HEIF images to AVIF format instantly. Support for batch conversion - upload multiple files at once.

Start Converting HEIF to AVIF

Learn about HEIF format

What is a HEIF file?

A HEIF file stands for High Efficiency Image Format, a revolutionary container format standardized by the Moving Picture Experts Group (MPEG) in 2015. Built on the foundation of the HEVC (H.265) video codec, HEIF represents a significant leap forward in image compression technology.

Designed as a successor to JPEG, HEIF delivers up to 50% better compression while maintaining superior image quality. This next-generation format supports advanced features like multiple images, image sequences, transparency, and extensive metadata, making it ideal for modern digital photography and mobile devices.

Technical Specifications

Based on HEVC/H.265 video codec
Supports up to 16-bit color depth
HDR and wide color gamut support
Maximum resolution: 8192 x 8192 pixels

File Information

.heif (single image)
.heic (Apple variant)
MIME type: image/heif
ISO/IEC 23008-12 standard

Why Choose HEIF Images?

HEIF represents the future of digital photography, combining cutting-edge compression technology with advanced features that traditional formats simply cannot match. For users within compatible ecosystems, HEIF offers unparalleled efficiency and capability for modern imaging workflows.

The HEIF Revolution

Technical Excellence

Next-generation compression efficiency
Professional-grade color accuracy
Advanced computational photography support

Practical Benefits

Dramatic storage space savings
Faster backup and sync times
Enhanced creative possibilities

Converting HEIF Files

While HEIF offers exceptional capabilities within supported ecosystems, compatibility limitations often necessitate conversion to more universal formats. Understanding when and how to convert HEIF files ensures seamless sharing and integration across different platforms and workflows.

Common HEIF Conversion Options

HEIF to JPEG

For universal compatibility and web sharing

HEIF to PNG

For transparency support and lossless quality

HEIF to WebP

For modern web applications and better compression

HEIF to TIFF

For professional workflows and print applications

When to Convert HEIF

Social media uploads: Most platforms require JPEG/PNG

Web publishing: Browsers don't support HEIF natively

Email attachments: Ensure recipient compatibility

Professional printing: Many services require JPEG/TIFF

Android sharing: Limited native support on older versions

Legacy software: Older applications lack HEIF support

HEIF to AVIF Related Tools

Convert HEIF files to other formats or convert other files to HEIF

Frequently Asked Questions

What is HEIF to AVIF converter and why do I need it?

HEIF to AVIF converter transforms High Efficiency Image Format files into the next-generation AV1 Image File Format, providing superior compression and universal compatibility. AVIF delivers 50% smaller file sizes than JPEG with better image quality and 94% browser support, solving HEIF's compatibility issues across non-Apple platforms.

How does HEIF to AVIF conversion improve my website performance?

Converting HEIF to AVIF dramatically enhances website performance through revolutionary compression technology that reduces file sizes by up to 50% while maintaining superior visual quality. AVIF supports modern web features, including HDR, 10-bit color depth, and faster loading times that improve Core Web Vitals scores and SEO rankings.

Can I batch convert multiple HEIF files to AVIF format online?

Yes, our converter, iformat.io, supports comprehensive batch processing, allowing you to convert hundreds of HEIF images simultaneously with drag-and-drop functionality. Advanced features include processing up to 100 files simultaneously, ZIP downloads, and progress tracking, saving photographers and developers hours of manual work.

Is HEIF to AVIF conversion better than using CloudConvert or FreeConvert?

Our converter offers superior advantages over CloudConvert and FreeConvert, including browser-based processing, unlimited conversions, and no file size restrictions. While competitors charge for usage or limit file sizes, our tool processes locally with faster speeds and specialized AVIF optimization.

Does HEIF to AVIF conversion preserve image quality and metadata?

Yes, professional conversion maintains exceptional image quality while enhancing compression efficiency through advanced AV1 encoding algorithms. The process preserves original color depth, transparency, HDR information, and metadata while delivering better quality than JPEG at significantly smaller file sizes.

What are the main advantages of AVIF over HEIF format for web use?

AVIF provides universal browser compatibility (94% vs HEIF's limited support), open-source licensing, and superior compression efficiency. AVIF is adopted by major platforms, including Netflix and WordPress 6.5+, offering better SEO performance and seamless CDN integration.

Is HEIF to AVIF conversion safe and secure for professional use?

Yes, our converter ensures enterprise-level security through browser-based processing that keeps files on your device with 256-bit SSL encryption. Professional features include local processing without uploads, zero server storage, GDPR compliance, and immediate file deletion options for confidential projects.

Can I convert large HEIF files to AVIF without quality loss?

Absolutely! Our converter handles large files up to 2GB while maintaining or improving image quality through advanced AV1 compression technology. The process preserves full resolution, color accuracy, transparency, and HDR data, while achieving dramatic file size reductions that are ideal for professional use.