Convert JPG to AVIF — Smallest High-Quality Images
Convert JPG to AVIF online for very small, high-quality web images. No software to install. Preview one free or batch-convert with Premium.
Drop your JPG file or click to browse
Why convert JPG to AVIF?
- AVIF files are usually smaller than JPG for the same picture, so pages load faster and uploads finish sooner.
- AVIF is made for the smallest high-quality images for websites and apps.
What to expect when converting JPG to AVIF
- AVIF uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.
- 您原来的 JPG 文件不会被更改：您下载的是一份新的 AVIF 副本。
JPG 与 AVIF 对比
| 功能 | JPG | AVIF |
|---|---|---|
| 全名 | JPEG (Joint Photographic Experts Group) | AV1 图像文件格式 |
| 来源 | 1992 年标准化 | Released by the Alliance for Open Media in 2019 |
| 压缩 | 有损，质量可调 | 有损或无损 |
| 透明度 | 否 | Yes — smooth, partial transparency |
| 动画 | 否 | 是 |
| 颜色 | 1670 万种颜色（每通道 8 位） | 8, 10 or 12 bits per channel, including HDR |
| 可用什么打开 | All browsers, phones, computers and photo apps | Current Chrome, Edge, Firefox and Safari 16+; fewer editing apps |
| 最适合 | photos you share, email, print or upload | the smallest high-quality images for websites and apps |
| 主要缺点 | no transparency, and every re-save loses a little more detail | 它的生成速度慢，许多编辑应用和旧设备都打不开它 |
In short: choose JPG for photos you share, email, print or upload; choose AVIF for the smallest high-quality images for websites and apps.
Frequently asked questions
- How do I convert JPG to AVIF?
- Upload your JPG 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 JPG 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.
- JPG or AVIF: which should I use?
- Use JPG for photos you share, email, print or upload. 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.
- 什么是 JPG 文件？
- JPG is the standard format for photos. It shrinks files by discarding detail the eye barely notices, which suits photographs but blurs text and sharp edges.
- Is the JPG 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.
使用 JPG 转 AVIF 可以做什么
在开始之前查看主要功能。
- Convert JPG files to AVIF online
- Choose AVIF quality or switch to lossless
- Switch to any other output format in Settings
- Batch-convert many JPG files into one ZIP
- Preview the result before you download
设置参考
5 个设置
JPG 转 AVIF 的可用控件。
设置
- 输出格式下拉框
- Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.选项: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
- 质量滑块范围: 20–100 · 默认: 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.
- 无损模式开／关
- For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
- 背景填充取色器
- 适用于无法存储透明度的 JPG、BMP 和图片转 PDF 输出：用于填充透明区域的颜色（默认为白色）。
模式
- 单个文件 / 批量下拉框
- 使用共享设置处理一个文件或一批文件。批量结果下载为一个 ZIP。选项: 单个文件批量
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