AVIF画像コンバーター
無料オンライン画像をAVIF形式に変換して圧縮率を向上、インストール不要
What is AVIF?
AVIF (AV1 Image Format) is a modern image format based on the AV1 video codec. It offers superior compression compared to JPEG and WebP, often achieving 50% smaller file sizes at similar quality levels. AVIF supports HDR, wide color gamut, and transparency.
How to Use This AVIF Converter
Upload images in PNG, JPEG, or WebP format. The converter will transform them to AVIF format. You can adjust quality settings to balance file size and image quality. Download individual images or as a ZIP archive.
▶Is AVIF supported by all browsers?
AVIF is supported by Chrome 85+, Firefox 93+, Safari 16+, and Edge. For older browsers, provide a fallback format like JPEG or WebP using the <picture> element.
▶Should I use AVIF instead of WebP?
AVIF typically achieves better compression than WebP, especially for complex images. However, WebP has wider browser support. Consider using both with fallbacks for maximum compatibility.
▶Does AVIF support transparency?
Yes, AVIF supports alpha channel transparency like PNG and WebP.
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