PEF to WebP Converter

Convert PEF to WebP online, for free.



选择文件
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  • 来自 Google Drive
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  • 来自网址
最大文件大小 1GB. 升级更多 报名 了解更多

Choose a method if you want to resize the output image.
Enable this option to compress the output WebP image without any quality loss
Lower values yield better compression but lower image quality. Default (92) is a good balance between image quality and compression.
Lower values compress the image faster at the expense of lower compression quality and bigger file size.
Correctly orient the image using the gravity sensor data stored in EXIF
Strip the image of any profiles, EXIF, and comments to reduce size



How to Convert PEF to WebP?

  1. Click the “Choose Files” button to select your PEF files.
  2. Click the “Convert to WebP” button to start the conversion.
  3. When the status change to “Done” click the “Download WebP” button

Easy to Use

Simply upload your PEF files and click the convert button. You can also batch convert PEF to WebP format.

Best Quality

We use both open source and custom software to make sure our conversions are of the highest quality. In most cases, you can fine-tune conversion parameters using “Advanced Settings” (optional, look for the icon).

Free & Secure

Our PEF to WebP Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.


Pentax Electronic File (PEF) is a raw image file format produced by Pentax digital cameras, which stores an unedited and uncompressed image. The benefit of working with a raw image is that it provides high-quality images, the ability to recover information, ease in making corrections, and many other advantages and benefits

How to open a PEF file?

Ricoh Imaging Americas Corporation provides PENTAX PHOTO Laboratory software, which is the default for opening PEF. Another common program for viewing PEF is PENTAX PHOTO Browser. A non-Pentax program for opening PEF is Adobe Photoshop Lightroom.

Many other programs can open this file type successfully. For both Microsoft Windows and macOS, Adobe Photoshop, Adobe Photoshop Lightroom works well for opening and converting PEF. On Linux/Unix, darktable is open source, cross-platform, and free. PEF is usually converted to Adobe Digital Negative Raw Image (DNG), Tagged Image File Format (PEF to TIFF), JPG (PEF to JPEG), or Portable Network Graphics (PEF to PNG) file formats.

Developed by: Ricoh Imaging Company, LTD.

Initial Release: May 2006


WebP is an open-source file type that uses predictive compression to create images that are ideal for web pages and mobile applications. WebP images are as much as 30 percent smaller than JPEG (JPG) and Portable Network Graphics (PNG) files, with similar visual quality. WebP images load quickly on web pages and mobile applications.

How to open a WebP file?

The default program for opening WebP is Google Chrome (Chrome), which works across platforms. WebP files also open automatically on GIMP and Microsoft Paint. Besides Chrome, all other web browsers support the WebP format.

Alternative free viewers to try are Pixelmator and Photopea. Also, try Corel PaintShop Pro. Prior to using IrfanView, Windows Photo Viewer, and Adobe Photoshop, be sure to install the plugins for opening WebP. 

Developed by: Google

Initial Release: September 2010

Useful links:

Google Developer article on WebP compression

Related WebP Tools: 

Use our Color Picker to pick colors from WebP images

FreeConvert.com可以将您的文件转换为以下相关格式:


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