Image Conversion
Convert JXL to AVIF Online — Free
Fast, free JXL to AVIF converter. No registration required.
またはインポート元
200万以上のファイル変換
数千人のユーザーに信頼されています
安全な転送
HTTPS暗号化アップロード
プライバシー優先
処理後にファイルを自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
変換方法
1
Upload your .jxl file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .avif file when it's ready.
JXLとは？
JPEG XL is a next-generation image codec offering superior compression and quality. Supports both lossy and lossless compression.
形式の詳細
- 正式名称
- JPEG XL
- 拡張子
- .jxl
主な特徴
- Next-gen compression
- Lossy and lossless
- HDR support
- Progressive decode
AVIFとは？
AVIF is a modern image format based on the AV1 video codec. It offers the best compression available, outperforming both WebP and JPEG.
形式の詳細
- 正式名称
- AV1 Image File Format
- 拡張子
- .avif
主な特徴
- Best compression
- HDR support
- Transparency
- Modern browsers
JXLとAVIFの比較
| 特徴 | JXL | AVIF |
|---|---|---|
| 正式名称 | JPEG XL | AV1 Image File Format |
| 拡張子 | .jxl | .avif |
| 最適な用途 | Next-gen compression | Best compression |
よくある質問
Converting between lossless formats (PNG, BMP, TIFF) preserves perfect quality. For lossy formats like JPG and WebP, you can adjust the quality slider to control compression. Default settings prioritize visual quality.
Transparency is preserved when converting to formats that support it (PNG, WebP, TIFF, GIF). If the target format doesn't support transparency, a white background is applied.
Yes. Upload your HEIC files and convert to JPG, PNG, or WebP instantly. Perfect for making iPhone photos compatible with any device or platform.
No resolution limit. We handle images of any size — from small icons to high-resolution photos and print-ready images.
Pro users can batch convert multiple images at once. Free users can convert one image at a time. All conversions are processed on our servers, so even large files convert quickly.