How do I convert MOS to PNG?

Upload your MOS file above. It is converted to PNG 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 MOS to PNG lose quality?

No. Both formats are lossless, so every pixel is kept exactly.

MOS or PNG: which should I use?

Use MOS for adjusting exposure and white balance with maximum latitude. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.

什么是 MOS 文件？

MOS is the RAW format of Leaf medium-format digital backs. It stores the unprocessed sensor data for maximum editing latitude, so most apps can't show it as a normal picture.

Can I convert MOS to PNG without Photoshop or Lightroom?

可以。MOS 文件在我们的服务器上打开，因此您无需安装 Photoshop 或 Lightroom 或任何其他软件。上传文件，然后下载转换好的 PNG。

Is the MOS to PNG 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.

Convert MOS to PNG — Free Online MOS Converter

Convert MOS to PNG online at full resolution. Open camera RAW files without Photoshop or Lightroom; preview one free or batch-convert with Premium.

Drop your MOS file or click to browse

Why convert MOS to PNG?

PNG is supported far more widely than MOS, so the file is easier to open, share and upload.
PNG is made for screenshots, logos, text graphics and cut-outs.
No Photoshop or Lightroom needed: the file is opened on our servers and you download a ready-to-use PNG.

What to expect when converting MOS to PNG

RAW 文件会按您相机的白平衡以全分辨率显影。请保留原始 MOS，以便日后重新调整曝光。
您原来的 MOS 文件不会被更改：您下载的是一份新的 PNG 副本。

MOS 与 PNG 对比

功能	MOS	PNG
全名	Leaf 相机 RAW	便携式网络图形
来源	由 Leaf 相机生成	Published as a W3C standard in 1996
压缩	未经处理的传感器数据	无损
透明度	否	Yes — smooth, partial transparency
动画	否	否
颜色	12 to 16 bits per channel from the sensor	每通道最高 16 位
可用什么打开	RAW editors such as Lightroom; not browsers or most apps	All browsers, phones, computers and image editors
最适合	adjusting exposure and white balance with maximum latitude	screenshots, logos, text graphics and cut-outs
主要缺点	文件非常大，多数应用都打不开	large files for photographs

In short: choose MOS for adjusting exposure and white balance with maximum latitude; choose PNG for screenshots, logos, text graphics and cut-outs.

Frequently asked questions

How do I convert MOS to PNG?: Upload your MOS file above. It is converted to PNG 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 MOS to PNG lose quality?: No. Both formats are lossless, so every pixel is kept exactly.
MOS or PNG: which should I use?: Use MOS for adjusting exposure and white balance with maximum latitude. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.
什么是 MOS 文件？: MOS is the RAW format of Leaf medium-format digital backs. It stores the unprocessed sensor data for maximum editing latitude, so most apps can't show it as a normal picture.
Can I convert MOS to PNG without Photoshop or Lightroom?: 可以。MOS 文件在我们的服务器上打开，因此您无需安装 Photoshop 或 Lightroom 或任何其他软件。上传文件，然后下载转换好的 PNG。
Is the MOS to PNG 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 MOS 转 PNG 可以做什么

在开始之前查看主要功能。

将 Leaf MOS RAW 文件转换为无损 PNG
保留原始拍摄的每一处细节
获取随时随地都能查看的标准 PNG 图片
一次转换多个 MOS 文件
在任意编辑器中打开影楼 RAW 照片

使用这个工具

设置参考

MOS 转 PNG 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）。