Luminance HDR vs HDRMerge

LHLuminance HDR9.0Visit HDRMerge6.6Visit

Higher score LH Luminance HDR #1 in HDR Software 9.0/10 Free plan Free plan✓ 2 of 2 features Visit Luminance HDR

vs

HDRMerge #10 in HDR Software 6.6/10 Free plan Free plan✓ 2 of 2 features Visit HDRMerge

• Luminance HDR fits best

  Free, full-featured HDR workflows

• HDRMerge fits best

  Free RAW-to-DNG HDR merging

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Side by side

Feature	LHLuminance HDR 9.0/10 Visit ↗	HDRMerge 6.6/10 Visit ↗
At a glance
Editor score	9.0	6.6
Ranking	#1 in HDR Software	#10 in HDR Software
Best for	Free, full-featured HDR workflows	Free RAW-to-DNG HDR merging
Pricing model	Free	Free
Starting price	Not published	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows, macOS, Linux
Support	Community, Docs	Community
Built for	Solo, Small business	Solo, Small business
Features Luminance HDR 2/2 · HDRMerge 2/2
Batch processing	✓	✓
RAW file support	✓	✓
Specs
HDR merge mode	Both	Both
Tone mapping controls	Multiple	Not published
HDR output formats	OpenEXR, Radiance RGBE, LogLuv TIFF, 16/32bpc TIFF, PFS, FITS	DNG 1.4
Supported platforms	Windows, macOS, Linux	Windows, macOS, Linux
Maximum input images	Not published	Not published
Our review
Pros	Supports bracketed JPEG, TIFF, and RAW exposures Multiple tone-mapping operators with adjustable settings Batch processing and command-line HDR workflows	Free and open source on Windows, macOS, and Linux Graphical ghost-removal masks and automatic small-translation alignment Command-line batch processing with 16-, 24-, and 32-bit output
Cons	Desktop software limited to Windows, macOS, and Linux Advanced controls may require a more technical workflow Output formats are focused on HDR and imaging pipelines	Output is centered on DNG 1.4 Automatic alignment handles small image translations Best suited to users with a compatible RAW or HDR editor
Our verdict	Luminance HDR is open-source desktop software for creating, editing, and tone-mapping high dynamic range images. It is aimed at photographers and imaging users who need a free workflow for bracketed exposures, direct RAW processing, HDR… Read the review →	HDRMerge is desktop software for photographers who want to combine multiple camera RAW exposures into one high-dynamic-range RAW image. It merges exposure-bracketed RAW files, supports certain single RAW files containing multiple bracketed… Read the review →

Strengths and trade-offs

• Luminance HDR — where it wins

  • Supports bracketed JPEG, TIFF, and RAW exposures
  • Multiple tone-mapping operators with adjustable settings
  • Batch processing and command-line HDR workflows

  Where it doesn't

  • Desktop software limited to Windows, macOS, and Linux
  • Advanced controls may require a more technical workflow
  • Output formats are focused on HDR and imaging pipelines

• HDRMerge — where it wins

  • Free and open source on Windows, macOS, and Linux
  • Graphical ghost-removal masks and automatic small-translation alignment
  • Command-line batch processing with 16-, 24-, and 32-bit output

  Where it doesn't

  • Output is centered on DNG 1.4
  • Automatic alignment handles small image translations
  • Best suited to users with a compatible RAW or HDR editor

• LHLuminance HDR9.0/10 · Free plan

  A free, full-featured HDR toolkit for photographers on Windows, macOS, and Linux.

  Visit Luminance HDRFull verdict →
• HDRMerge6.6/10 · Free plan

  A free, open-source tool for merging bracketed RAW exposures into floating-point DNG.

  Visit HDRMergeFull verdict →