Xem trước kết quả từ “HEIF to AVIF”

Convert HEIF to AVIF — Smallest High-Quality Images

Convert HEIF to AVIF online for very small, high-quality web images. No software to install. Preview one free or batch-convert with Premium.

Drop your HEIF file or click to browse

Why convert HEIF to AVIF?

  • AVIF is supported far more widely than HEIF, so the file is easier to open, share and upload.
  • AVIF is made for the smallest high-quality images for websites and apps.

What to expect when converting HEIF to AVIF

  • AVIF uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.
  • High-dynamic-range and wide-colour detail is converted to standard 8-bit colour.

HEIF vs AVIF

Tính năngHEIFAVIF
Họ và tênHigh Efficiency Image File FormatAV1 Image File Format
OriginDeveloped by MPEG and finalised in 2015 (ISO/IEC 23008-12)Released by the Alliance for Open Media in 2019
NénLossy (usually HEVC)Lossy or lossless
TransparencyRarely used in camera photosYes — smooth, partial transparency
Hoạt hìnhKhôngCó
Màu sắc8 or 10 bits per channel, wide colour8, 10 or 12 bits per channel, including HDR
Where it opensRecent phones and cameras; many PCs, apps and websites need extra softwareCurrent Chrome, Edge, Firefox and Safari 16+; fewer editing apps
Tốt nhất chostoring high-quality photos in less space on phones and camerasthe smallest high-quality images for websites and apps
Main drawbackmany computers, apps and websites can’t open itit is slow to create and many editing apps and older devices can’t open it

In short: choose HEIF for storing high-quality photos in less space on phones and cameras; choose AVIF for the smallest high-quality images for websites and apps.

Frequently asked questions

How do I convert HEIF to AVIF?
Upload your HEIF file above. It is converted to AVIF automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting HEIF to AVIF lose quality?
AVIF is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.
HEIF or AVIF: which should I use?
Use HEIF for storing high-quality photos in less space on phones and cameras. Use AVIF for the smallest high-quality images for websites and apps. Keep in mind the main drawback of AVIF: it is slow to create and many editing apps and older devices can’t open it.
What is a HEIF file?
HEIF is the open standard behind HEIC. Samsung phones and several Canon, Sony and Fujifilm cameras can save HEIF photos, which are compact but not yet widely accepted.
Is the HEIF to AVIF converter free?
Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Bạn có thể làm gì với HEIF to AVIF

Xem lại các khả năng chính trước khi bạn bắt đầu.

  • Convert HEIF files to AVIF online
  • Choose AVIF quality or switch to lossless
  • Switch to any other output format in Settings
  • Batch-convert many HEIF files into one ZIP
  • Preview the result before you download

Tham khảo cài đặt

Các điều khiển có sẵn cho HEIF to AVIF.

Cài đặt

định dạng đầu raDanh sách thả xuống
Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.Tùy chọn: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
Chất lượngThanh trượtPhạm vi: 20–100 · Mặc định: 90
For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
Chế độ không mất dữ liệuBật / Tắt
For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
Màu nềnBộ chọn màu
For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).

Chế độ

Tệp đơn lẻ / Hàng loạtDanh sách thả xuống
Xử lý một tệp hoặc một loạt với các cài đặt được chia sẻ. Tải xuống hàng loạt kết quả dưới dạng một ZIP.Tùy chọn: Tệp đơn lẻHàng loạt
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