Vertopal — Free Online Converter
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Convert SFW to HDR

Convert SFW images to HDR format, edit and optimize images online and free.

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Seattle FilmWorks Image (.sfw)

SFW Converter

Radiance HDR (.hdr)

Radiance HDR, also known as RGBE or Radiance Picture is a lossless raster image format for high-dynamic-range imaging, invented by Gregory Ward Larson and Randolph Fritz. It was first introduced as part of the Radiance Lighting Simulation and Rendering System in 1989.

HDR Converter More About HDR

How to convert SFW to HDR?

  1. Upload SFW File

    Drag & drop or browse your device to select and upload your SFW file.

  2. Select SFW Tools

    To customize SFW to HDR conversion, use the available tools before clicking the Convert button.

  3. Download Your HDR

    After the convert is complete, click on the Download button to get your HDR image.

Convert SFW to HDR

Frequently Asked Questions

How to change SFW format to HDR?

To change SFW format to HDR, upload your SFW file to proceed to the preview page. Use any available tools if you want to edit and manipulate your SFW file. Click on the convert button and wait for the convert to complete. Download the converted HDR file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert SFW to HDR on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to SFW file location or include path to your input file.
  3. Paste and execute the command below, substituting in your SFW_INPUT_FILE name or path. $ vertopal convert SFW_INPUT_FILE --to hdr

Convert SFW to HDR on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to SFW file location or include path to your input file.
  3. Paste and execute the command below, substituting in your SFW_INPUT_FILE name or path. $ vertopal convert SFW_INPUT_FILE --to hdr

Convert SFW to HDR on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to SFW file location or include path to your input file.
  3. Paste and execute the command below, substituting in your SFW_INPUT_FILE name or path. $ vertopal convert SFW_INPUT_FILE --to hdr

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