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8 Best Free HDR Software Options in 2020

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Related course: Simply Stunning Landscapes

Do you love to shoot dramatic landscapes and beautiful interiors? Or often work in complex lighting conditions? Then HDR is a technique you should learn to use.

Software that helps you produce HDR images can be expensive. But there are some free alternatives. Here are the best free HDR software solutions we could find out there.

brightly colored shot of a city bridge at sunset enhanced using free hdr software

What Is HDR?

HDR is an acronym for High-Dynamic-Range imaging. Dynamic range refers to the range of light between shadows to highlights. Images with a high dynamic range have very bright areas and very dark areas.

So, an image with a lot of contrast has a lot of dynamic range.

Cameras are limited in their dynamic range. This means that you cannot expose for the highlights and shadows at the same time. One of them will suffer.

Exposing for highlights will make your shadows too dark. And exposing for the shadows will make your highlights too bright. It’s not possible to get the settings just right in one image.

HDR image of a beautiful desert landscape at sunset enhanced using hdr software

HDR photography uses technology to overcome this problem. Instead of taking one photo, with high-dynamic-range, you take many pictures of the same scene at different exposures. The images are then combined in post-processing to create a HDR photo. The final image highlights the best parts of each picture.

You need to take at least three photos: One to expose for the shadows, one to expose for the highlights, and one neutral shot right in the middle. This is called “bracketing”. Each exposure should differ by one or two stops (-1 or -2 stops for the darker images and +1 or +2 stops for the brighter images).

Many cameras have a built-in bracketing tool. You can also manually adjust the exposure compensation dial will achieve similar results.

You need three images when creating an HDR picture, but some photographers take five or seven exposures.

A car pulled in by a countryside road, enhanced with free hdr software

8. Lightroom Photo Merge

Let’s start with HDR software tools you may already have. Both Lightroom and Capture One do HDR image processing.

In Lightroom, the tool is very basic, but it does combine exposures and do ghost removal.

Ghost removal aligns the images and reconciles any element that might have moved between the exposures. For instance, clouds or trees.

Simply select the images with varying exposures you want to combine and select the dropdown menu PHOTO. Choose Photo Merge – HDR.

Four photo grid of a city bridge , enhanced with free hdr software

7. HDR Pro

Within Photoshop is a tool called HDR Pro. The tool is located in the FILE dropdown menu. Select AUTOMATE – MERGE TO HDR PRO.

This tool is more advanced than the HDR software in Lightroom. You can adjust edge glow, tone curve, and color. These change how Photoshop layers the exposures.

If you’re new to HDR programs, you might not know how best to edit your HDR photo. Presets like Photorealistic, City Twilight, and Surrealistic will also help guide your choices.

The lavish interior of a classical building , enhanced with free hdr software

6. Luminance HDR

When asking for free high dynamic range programs, Luminance HDR tends to be on the top of everyone’s list.

Sourceforge developed this free, open-source program. They also create other free resources for businesses and e-commerce solutions.

Luminance HDR is an intuitive program with an easy-to-use interface. The most recent 2019 edition features many useful tools to bring out the best in your HDR photography. Sourceforge upgraded the HDR solution with new features like automatic anti-ghosting, FITS support integration with Windows taskbar, improved 1/10 with TIPF 32 bit and redesigned merge algorithms.

Some new sliders have been implemented too, such as Gamma and Saturation.

Luminance HDR reads both JPEG and RAW files. A key benefit to Luminance HDR is the ease at which you can export photographs to additional photo editing software, such as GIMP (a free alternative to Photoshop).

A stunning mountainous landscape over a stream

Luminance is available for Windows and Mac.

5. Picturenaut 3

Picturenaut 3 is another free HDR software tool. Picturenaut is by HDRLabs, a project established to create free software for various processes.

Picturenaut is a very light software program. It’s easy to install and even easier to use. Touted as one of the best free HDR software solutions out there, Picturenaut is just as intuitive as Luminance but functions a little bit differently.

The program has a drag-and-drop feature and supports both PNG and RAW files. The tool also includes Alpha channel view, auto-cropping, and is one of the fastest at tone mapping.

The open-source API is also publicly available for programmers interested in tweaking the program for even better results. This German program is ever-changing with new intelligence added every day.

HDR image of a stunning mountainous landscape enhanced using free hdr software

Picturenaut 3 is available for Windows and Mac.

4. FDRTools Basic

FDRTools (short for Full Dynamic Range Tools), is a free HDR software tool for those looking to create a more realistic look to a high dynamic range image. There is a free basic version and a more advanced shareware version.

This program is not as advanced as the two previously mentioned. But it’s an excellent choice for a beginner who doesn’t want a complicated interface or too many different options to be confused about.

A big difference between FDRTools and other HDR software is its goal to bridge the gap between merging and tone mapping. The FDRTools tone mapping algorithm is very advanced in comparison to other programs.

The user has full control over the merging process by looking at the tone mapped image. They can then edit the merging of source images in real-time. Users can choose to include or not include a particular source image or adjust the opacity of individual images.

FDRTools has noteworthy customer service and is constantly updating its features.

dramatic HDR portrait of an active volcano in low light enhanced using free hdr software

FDRTools is available for Windows and Mac.

3. Photomatix Pro

Photomatix Pro is a powerful HDR software program. It is available both as a standalone program and as a plugin for Lightroom. The company is developing a plugin for Capture One. The free trial version does not expire, but it does watermark your images. Photomatix offers a license for $99, but there are other options depending on your needs.

Photomatix Pro is a flexible tool for processing high dynamic range HDR photos. It includes plenty of presets to get you started. The tone mapping and color adjustments in Photomatix Pro allow you to adjust the effect.

The program allows you to paint on color effects selectively and blend in the original photo for a more natural effect.

If you want the look of HDR, but don’t have a bracketed set of photos, Photomatix Pro will create a HDR image from a single photo.

For photographers who do a lot of HDR processing, Photomatix Pro includes a customizable batch editing tool.

A mountainous landscape at sunset enhanced with Photomatix hdr software

Photomatix Pro is available for Windows and Mac.

2. Nik HDR Efex Pro

HDR Efex Pro is part of the Nik collection. This tool works as a Lightroom plugin.

The history of the Nik collection is a bit complicated. The collection was free for a time when Google owned it. If you downloaded the collection during this period, it is still useable. Since then, this popular collection has been purchased and expanded by DXO. There is still a free trial version available.

The Nik collection is known for its quality presets. Click through these, and you’ll see various HDR options. The program lets you further control how your image looks and how much of the effect is applied.

Saving the HDR image takes it back into Lightroom.

HDR Efex Pro is an easy-to-use and powerful tool.

A serene lake view at night enhanced using free hdr software

Nik HDR Efex Pro is available for Windows and Mac.

1. EasyHDR

EasyHDR is just as its name suggests – easy. It is available both as a standalone program and as a plugin for Lightroom. The free version does not expire, but it does watermark your images.

The software may be easy to use, but it is powerful.

Drag and drop RAW or JPEG images into the program and use the presets to get started. Then adjust the tone mapping tools to get a realistic effect. Much of the interface looks similar to Lightroom and Photoshop, making tools easy to find and use.

There’s even a clone brush to take out errant dust spots. The software also includes basic layers for masking and color correction.

EasyHDR allows for batch editing, which automatically identifies the HDR sequences. This is great for photographers who do a lot of HDR conversions.

Single photo enhanced with easyHDR 3.13.0: Smokey Mountains Day 2 (406 of 485).ARW
Single photo enhanced with easyHDR 3.13.0: Smokey Mountains Day 2 (406 of 485).ARW

EasyHDR is available for Windows and Mac.

Conclusion

There are many free HDR software options available. But if you can’t find what you’re looking for in the free programs, one of the best HDR software programs on the market is Aurora HDR by Skylum. There is not a free trial, but you can buy Aurora HDR and return it within 30 days.

Real estate, landscape, and artistic photographers use HDR software to adjust images with wide dynamic range.

But be careful! Too much HDR can make an image look cartoony and fake. A level of restraint is necessary to use this process.

There are many free options available. Some work as plugins in programs like Lightroom, others are standalone programs. Programs differ in their flexibility, ease of use, and how realistic the final HRD image is. Try them out, and see which one works best for you!

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1 comment
  1. Your article is a bit wrong. Sourceforge does not create software. Its just a hosting platform for opensource projects.

    Like drop box does not shoot your pictures.

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