AVIF to HEIF conversion is the process of re-encoding images stored in the AVIF container/format into the HEIF container/format so they can be read or edited by devices and apps that prefer HEIF. This conversion maps AV1-based image data (AVIF) into HEVC/HEIF structures or re-compresses the image data while attempting to preserve visual quality and metadata.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
WebP has quietly become the default image format of the modern web, delivering 25-35% smaller files than JPG and PNG with universal browser support. This 2026 guide covers current adoption stats, browser compatibility, WordPress integration, conversion workflows, and when to choose WebP over AVIF for optimal Core Web Vitals performance.
Read guide →Not sure whether to save your image as PNG or JPG? This detailed comparison covers compression, transparency, file size, web performance, and real-world use cases so you can pick the right format every time — with conversion links when you need to switch.
Read guide →Learn how to convert HEIC to JPG for maximum compatibility. This guide explains what HEIC is, why iPhones use it, the key differences between HEIC and JPG, and walks through every conversion method including online tools, iPhone settings, Windows, and Mac.
Read guide →Drag your .AVIF file from your computer or use the browse function.
Confirm .heif as the selected destination format.
Click "Convert" and download your converted .HEIF file once ready.
AVIF files use the image/avif MIME type and are encoded using the AV1 codec, optimized for high compression and quality. HEIF files carry the image/heif MIME type and typically use HEVC (H.265) codec for encoding. AVIF is mainly used for web and online images, whereas HEIF is favored for capturing and storing photos on Apple devices and compatible platforms.
The HEIF (.HEIF) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like AVIF.
While specific technical details aren't available here, HEIF files generally serve the purpose of storing image effectively within their domain.
Our Online AVIF to HEIF Converter provides a seamless way to convert your AVIF images into HEIF format. Designed for photographers, designers, and everyday users, this tool ensures high-quality conversions without the need for software installation. Convert AVIF to HEIF online with ease and improve your images' compatibility across devices.
AVIF is a newer image format known for excellent compression efficiency and royalty-free licensing, ideal for web use. HEIF, meanwhile, is widely adopted on Apple devices and supports advanced features like image sequences and depth maps. While AVIF offers better compression ratios, HEIF provides superior device compatibility and editing support.
Keep target file sizes moderate: for photos, aim for 500 KB–3 MB for web use and 2–10 MB for high-resolution preservation depending on dimensions.
Preserve quality: use a high-quality HEIF/HEVC preset (lower CRF/higher quality value) when image detail or HDR needs to be retained; avoid excessive recompression.
Batch conversion: convert multiple AVIFs together to keep consistent quality and metadata; use command-line tools or batch-capable converters to preserve timestamps and EXIF.
Watch for format limitations: HEIF typically relies on HEVC or other codecs, so alpha/HDR support may vary by player or OS—test on target devices.
This AVIF to HEIF converter saved me hours in my workflow.
Emma R.
Photographer
Fast, reliable, and easy to use—highly recommend it.
Liam S.
Graphic Designer
Perfect for preparing images for my Apple devices without quality loss.
Zoe M.
Content Creator
Start your free AVIF to HEIF conversion now.
Drag your file here to to upload.
Up to 250MB
Metadata and color: verify EXIF/XMP and color profile transfer (ICC) after conversion; some tools require explicit options to copy metadata.