How do I convert PEF to PNG?

Upload your PEF 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 PEF to PNG lose quality?

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

PEF or PNG: which should I use?

Use PEF 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.

PEF is the RAW format of Pentax DSLRs. It stores the unprocessed sensor data for maximum editing latitude, so most apps can’t show it as a normal picture.

Can I convert PEF to PNG without Photoshop or Lightroom?

Yes. The PEF file is opened on our servers, so you don’t need Photoshop or Lightroom or any other software installed. Upload the file, then download the finished PNG.

Is the PEF 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 PEF to PNG — Free Online PEF Converter

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

Drop your PEF file or click to browse

Why convert PEF to PNG?

PNG is supported far more widely than PEF, 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 PEF to PNG

The RAW file is developed at full resolution with your camera’s white balance. Keep the original PEF to re-edit exposure later.
Your original PEF file isn’t changed: you download a new PNG copy.

PEF vs PNG

功能	PEF	PNG
全名	Pentax camera RAW	Portable Network Graphics
Origin	Written by Pentax cameras	Published as a W3C standard in 1996
压缩	Unprocessed sensor data	Lossless
Transparency	否	Yes — smooth, partial transparency
动画	否	否
颜色	12 to 16 bits per channel from the sensor	Up to 16 bits per channel
Where it opens	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
Main drawback	very large files that most apps can’t open	large files for photographs

In short: choose PEF 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 PEF to PNG?: Upload your PEF 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 PEF to PNG lose quality?: No. Both formats are lossless, so every pixel is kept exactly.
PEF or PNG: which should I use?: Use PEF 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.
What is a PEF file?: PEF is the RAW format of Pentax DSLRs. It stores the unprocessed sensor data for maximum editing latitude, so most apps can’t show it as a normal picture.
Can I convert PEF to PNG without Photoshop or Lightroom?: Yes. The PEF file is opened on our servers, so you don’t need Photoshop or Lightroom or any other software installed. Upload the file, then download the finished PNG.
Is the PEF 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 PEF 转 PNG 可以做什么

在开始之前查看主要功能。

将 Pentax PEF RAW 照片转换为 PNG
将传感器原始文件转换为标准 PNG
无损 PNG 格式，保留精细细节
一次性批量转换多个 PEF 文件
在支持的应用程序中编辑和共享转换后的 PEF 照片

使用这个工具

设置参考

PEF 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: For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).