SoftNexi

Windows · Graphics & Image Editing

RawTherapee for Windows

Free, open-source RAW photo development tool with extensive, precise controls over exposure, color, and detail processing.

Updated August 9, 2026 · Reviewed by SoftNexi Editorial Team, Software research and documentation

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Overview

RawTherapee is a free, open-source RAW photo processor aimed at photographers who want extensive, precise control over how a RAW file is developed into a finished image. It is a non-destructive editor: adjustments are stored as instructions applied to the original RAW data rather than baked into pixels until export.

Its tool set goes deep on exposure, tone curves, color management, noise reduction, and detail/sharpening controls, with many parameters exposed directly rather than hidden behind simplified sliders. This makes it powerful but also denser than more streamlined RAW tools.

Compared to darktable, RawTherapee and darktable cover much of the same ground — both are free, open-source RAW processors — but they differ in processing pipeline design and interface conventions; many photographers pick based on which workflow and tool layout feels more natural, or use both for different images.

It suits photographers who shoot RAW and want fine-grained, non-destructive control over development without a subscription, particularly those comfortable exploring a dense set of technical controls.

Key features

  • Non-destructive RAW processing with an editable history of adjustments
  • Extensive exposure, tone curve, and color management tools
  • Detailed noise reduction and sharpening controls
  • Support for a wide range of camera RAW formats
  • Batch processing for applying the same edit to multiple files
  • Color management with ICC profile support
  • Local adjustment tools for targeted edits within an image

System requirements

Operating system
Windows 11 and Windows 10 (64-bit)
Architecture
64-bit only

How to install RawTherapee

  1. 1. Download from the developer

    Go to rawtherapee.com/downloads and choose the Windows installer or portable ZIP.

  2. 2. Run setup

    Approve the UAC prompt and complete installation with default options.

  3. 3. Point it at your photos

    Use the file browser panel to navigate to your RAW files and start a session.

How to use it

  1. 1. Open a RAW file

    Select a photo in the file browser to load it into the editor with its default processing profile applied.

  2. 2. Adjust exposure and tone

    Use the Exposure tab's tools, including the tone curve, to set overall brightness and contrast.

  3. 3. Correct color

    Use white balance and color management tools to adjust color temperature and tint.

  4. 4. Reduce noise and sharpen

    Use the Detail tab's noise reduction and sharpening tools, checking a 100% zoom preview as you adjust.

  5. 5. Batch process and export

    Apply a saved processing profile to multiple selected files, then use Queue to batch-export them.

Safety and privacy

  • We link only to rawtherapee.com, the project's official site.
  • RawTherapee is open source with publicly reviewable source code.
Bundled software
The official installer does not bundle third-party offers.
Privacy
RawTherapee runs entirely locally and does not require an account.

Known risks

  • New camera RAW formats sometimes require a RawTherapee update before they are supported; check compatibility if using a very recent camera model.

What's new

  • 5.x series

    Recent 5.x releases have updated camera RAW format support and refined processing tools. Check the developer's release notes on rawtherapee.com for the current version.

Pros and cons

Pros

  • Free and open source with no subscription
  • Very deep, precise RAW processing controls
  • Non-destructive editing with saved processing profiles
  • Strong batch processing support

Cons

  • Dense interface with a real learning curve
  • Less streamlined than some commercial RAW tools for quick edits
  • Newest camera RAW formats sometimes need a version update first
  • No cloud sync or mobile companion app

Verdict

RawTherapee gives photographers serious, free control over RAW development, matching much of what commercial RAW tools charge for. Its dense interface rewards photographers willing to learn it, more than those wanting one-click results.

Frequently asked questions

Is RawTherapee free?

Yes, RawTherapee is free and open source.

Is RawTherapee better than darktable?

Both are free, capable, open-source RAW processors with different interfaces and processing pipelines; which is 'better' often comes down to personal workflow preference.

Does RawTherapee support my camera's RAW format?

It supports a wide range of camera RAW formats, but very new camera models sometimes require a RawTherapee update before they're supported — check the developer's supported camera list.

Is RawTherapee non-destructive?

Yes, edits are stored as instructions applied to the RAW data, so the original file is preserved and adjustments remain editable later.