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Convert HEIC to AVIF Online Free

Fast, free, and private High Efficiency Image to AVIF Image converter. Get SD and HD quality versions — no upload, no registration required.

Drop your HEIC file here

or click to browse files

.heic accepted

Why Convert HEIC to AVIF?

Converting High Efficiency Image (HEIC) to AVIF Image (AVIF) helps with compatibility, file size optimization, and meeting format requirements. AVIF is widely supported and ideal for web, sharing, and archival purposes.

How to Convert HEIC to AVIF

  1. Drag and drop your HEIC file onto the upload area above, or click to browse
  2. Adjust SD and HD quality settings if needed (optional)
  3. Click "Convert to AVIF" to process your image
  4. Compare the SD and HD results side by side
  5. Download your preferred AVIF version

About HEIC Format

High Efficiency Image (HEIC) is a widely used image format. HEIC is Apple's default photo format, offering JPEG-comparable quality at roughly half the file size.

About AVIF Format

AVIF Image (AVIF) is a popular image format. AVIF is a next-generation format based on AV1 video codec, offering up to 50% better compression than JPEG with similar quality.

Frequently Asked Questions

Is it free to convert HEIC to AVIF?

Yes, FxtImg is 100% free. No hidden fees, watermarks, or file limits. Convert as many HEIC files to AVIF as you need.

Are my HEIC files uploaded to a server?

No. All conversion happens in your browser using client-side technology. Your images never leave your device.

What is SD vs HD quality?

SD (Standard Definition) uses lower quality and smaller dimensions for compact files — great for web and social media. HD preserves maximum quality and original dimensions for professional use.

What is the max file size?

Processing is client-side, so there is no server limit. Very large files (50MB+) may be slower depending on your device.

Can I batch convert HEIC files?

Currently FxtImg processes one image at a time for best quality. Convert, download, then click "Convert Another" for the next.

Why convert HEIC to AVIF?

Converting High Efficiency Image (HEIC) to AVIF Image (AVIF) helps with compatibility, file size optimization, and meeting format requirements. AVIF is widely supported and ideal for web, sharing, and archival purposes.

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