hdrmerge ☆
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Description:
Creates raw images with extended dynamic range
Type: Cask  |  Latest Version: 0.5.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Multimedia
Tags: hdr photography raw image-processing command-line
Install: brew install --cask hdrmerge
About:
HDRMerge is a command-line tool that merges multiple bracketed exposure shots into a single high dynamic range (HDR) DNG raw file. It preserves the raw data characteristics while extending the dynamic range beyond what a single exposure can capture. This results in a flexible DNG file that can be processed in standard raw development software like Lightroom or darktable.
Key Features:
  • Merges bracketed exposures into a single HDR DNG file
  • Preserves raw sensor data for maximum post-processing flexibility
  • Command-line interface for batch processing and automation
  • Supports common raw formats from various camera manufacturers
Use Cases:
  • Creating HDR raw files from landscape photography with high contrast scenes
  • Combining exposure brackets to capture detail in both shadows and highlights
  • Automating HDR workflow for large photo sets via command-line scripts
Alternatives:
  • Luminance HDR – GUI-focused HDR tool with tone mapping, while HDRMerge outputs raw DNGs
  • Adobe Lightroom – Commercial software with HDR merging, requires subscription vs open-source HDRMerge
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:19pm 0.5.0 0 VERSION_BUMP 20a05da1
Jul 13, 2024 9:33am 0.5.0 0 VERSION_BUMP 19fa4272
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