100% local
IMAGE

Convert AVIF
to JXL

Lossless baseline for further work.

JXL preserves every detail of the source AVIF, which prevents additional quality loss during subsequent edits or re-encoding. The original AVIF compression cannot be undone, but no new artifacts will be introduced.

— Drop area

为什么要转换

Why convert AVIF to JXL

01

Lossless baseline for further work

JXL preserves every detail of the source AVIF, which prevents additional quality loss during subsequent edits or re-encoding. The original AVIF compression cannot be undone, but no new artifacts will be introduced.

02

Broader cross-platform support

JXL is accepted by a wider range of image viewers, editors, and content systems than AVIF. The conversion removes a recurring compatibility friction without changing what the file actually contains.

03

Portable, predictable file format

JXL is well documented and decodable by long-lived tooling, which matters for archives, deliverables, and any file that needs to outlive the software that created it.

— 如何转换

三步将 AVIF 转为 JXL.

  1. 01

    打开 LocalConvert

    在任意现代浏览器中访问本页面 —— 无需安装、无需注册、无需插件。

  2. 02

    拖入或选择你的 AVIF 文件

    将 AVIF 文件拖到放置区域,或点击从设备中选择一个。

  3. 03

    点击转换

    转换完全在你的浏览器中进行。完成后,JXL 文件会自动下载到你的设备。

质量与保真度

质量与保真度

  • Lossy source to lossless target: existing artifacts are preserved but no new loss is added.
  • Transparency is preserved.
  • Metadata (EXIF/tags) is preserved where the source provides it.
  • JXL can be lossy or lossless — switch modes for pixel-perfect output if needed.
透明度 AVIF ✓ JXL ✓
颜色深度 10/12-bit RGBA, HDR 16-bit RGBA, HDR
保留元数据

格式规范

格式规范

AVIFJXL
扩展名.avif.jxl
MIME 类型image/avifimage/jxl
推出时间20192021
维护者Alliance for Open MediaJPEG Group / ISO
魔数FF 0A
规范查看规范 ↗查看规范 ↗

兼容性

这些格式可用的地方

AVIF

Windows
应用
macOS
原生
iOS
原生
Android
原生
Chrome
原生
Firefox
原生
Safari
原生
Edge
原生

为什么选 LocalConvert

LocalConvert 的对比

CategoryLocalConvert云端转换器
隐私Files never leave your device. The whole pipeline runs in your browser via WebAssembly.Files travel to a remote server, sit in queue storage, and may be retained for analytics or moderation.
费用Free, no signup, no daily quotas.Often free for small files; paid tiers for batch / large / commercial use.
限制Limited only by your device's memory and CPU. Multi-GB files OK on desktop.Typical 100 MB to 1 GB per-file caps, plus rate limits.
— The formats
From · AVIF

AV1 Image File Format

A next-generation image format with exceptional compression, alpha, and HDR support. Roughly half the size of comparable JPEG.

Typical uses
Optimized web delivery, modern browsers, photography portfolios.

To · JXL

JPEG XL

A modern image format with state-of-the-art compression for both lossy and lossless workflows. Supports HDR and lossless JPEG transcoding.

Typical uses
Photography archives, web (where supported), future-proof storage.

— FAQ

常见问题.

AVIF 转 JXL 是免费的吗?

是的。LocalConvert 完全免费,无需注册,没有每文件或每日的限制。

我的文件会被上传到任何地方吗?

不会。AVIF 到 JXL 的转换完全在你的浏览器内通过 WebAssembly 完成 —— 文件永远不会离开你的设备。

最大文件大小是多少?

没有固定上限 —— 实际限制取决于设备的可用内存。在低内存设备上,非常大的文件可能耗时较长或失败。

可以离线使用吗?

可以 —— 页面加载后,AVIF 到 JXL 的转换无需联网即可工作。重新打开页面一次即可缓存。

转换会保留质量吗?

LocalConvert 使用业界标准工具(FFmpeg、ImageMagick、Pandoc)—— 质量与专业人员在命令行中使用的相当。有损格式在每次重新编码时仍会损失一些质量。

— Related

或转换这些.

浏览所有转换
参考资料

格式参考资料

Last verified:

100% 本地转换.

AVIF to JXL is processed in your browser with WebAssembly. No upload, no tracking, no limits. Your file never leaves your device.