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darktable is a free, open-source RAW editor for Windows, Mac and Linux that sorts your shoots in a lighttable and develops them non-destructively in a darkroom, covering Lightroom's ground with no subscription and no locked-in catalog.
Adobe Lightroom costs around ten dollars a month for as long as you keep shooting, and that meter never stops.
darktable is free the day you install it, free in year three, and free forever - and your edits are never locked inside a catalog only one company can read.
It covers the same ground as Adobe Lightroom: the same non-destructive RAW workflow, the same depth of colour control, the same library management, with no subscription attached to any of it.
What darktable Actually Does
It splits your work across two screens, and the names are older than the software. The lighttable is where you browse a shoot, compare frames and pick the keepers; the darkroom is where you develop one photo - exposure, colour, contrast, noise, sharpening and lens corrections.
Everything you do is non-destructive, which means your original RAW file is never modified. The edits are written to a small companion file that sits beside the photo, so the untouched original is always one click away and you can keep several different developments of the same frame.
The editing tools are independent modules you stack in whatever order you like, each one able to take a mask so it affects only part of the image. That is how professional colour-grading software is built, and it is why darktable goes deeper than most consumer photo apps.
What Free Actually Means Here
This is the question worth answering before any feature list, because "free photo editor" is usually the opening move in a sales funnel.
darktable is released under the GPL version 3. It is not a trial, not a stripped-down edition of a paid product, and not a free tier with a bigger one behind it - there is no company to sell you the bigger one. It is written by photographers who wanted this tool to exist.
The practical consequence matters more than the licence does. Your edits live in plain sidecar files next to your photos and your catalog is a standard database on your own disk, so nothing you do here becomes unreadable if you stop using it, and nobody can change the terms later.
The AI Tools Arrived in Version 5.6
The strongest remaining argument for paying Adobe used to be AI noise reduction, and that gap has closed. Version 5.6 added an AI subsystem to darktable, with a settings panel that downloads the models, and AI-based noise reduction built on top of it.
It is worth being accurate about the state of it rather than overselling. This is new, it is being refined release by release, and 5.6.1 spent some of its effort on knowing when *not* to apply it - older Fujifilm cameras with Super CCD sensors are now skipped, because the model does not handle that sensor layout.
The models are an optional download rather than something bundled into the installer, which keeps the base program small and means nothing is fetched unless you ask for it.
The RAW Files It Opens
If your camera shoots RAW, darktable almost certainly reads it - Canon CR2 and CR3, Nikon NEF and NRW, Sony ARW, Fujifilm RAF, Panasonic RW2, Olympus and OM System ORF, Pentax PEF, Leica and Ricoh DNG, and a long tail of older and stranger bodies.
The one honest caveat is timing. A camera released last month may need a darktable release or two before its files open properly, because someone has to profile the sensor first. If you are on brand-new hardware, check before you commit a shoot to it.
Converting to DNG sidesteps that wait and tidies a mixed-camera workflow at the same time. Adobe DNG Converter batch-converts a folder of anything into the open DNG standard before you import.
Windows Still Will Not Show Your RAW Thumbnails
Worth separating two different problems, because they get confused constantly. darktable reads your RAW files itself and needs nothing installed to do it - but File Explorer is a different program, and it will still show you a folder of blank grey icons.
The general fix is Microsoft's own Raw Image Extension, which adds RAW previews and thumbnails to File Explorer and Photos across the major brands. Install it once and the blanks become pictures.
Some manufacturers also publish their own Windows codecs, which occasionally handle a format the Microsoft extension does not. There is Canon's RAW codec and Nikon's NEF codec for the two biggest systems.
Panasonic's RW2 codec does the same job for Lumix bodies.
There are separate ones for Olympus ORF and Pentax PEF files as well, both worth trying if Explorer is still showing blanks after the Microsoft extension.
darktable Compared With Lightroom
| darktable | Lightroom | |
|---|---|---|
| Cost | Free, permanently, with no tier above it. | Subscription, for as long as you want access. |
| First week | Busy, dense, and it takes patience before it clicks. | Smoother. This is Lightroom's real advantage. |
| Your files | Plain sidecar files and a local database you own. | A proprietary catalog tied to the application. |
| Phone and cloud sync | None. It is a desktop program. | Built in, and genuinely good. |
| Processing depth | Scene-referred colour, profiled noise reduction, automatic lens corrections, all included. | Comparable, with a friendlier route to it. |
| AI noise reduction | Yes, since 5.6, with models downloaded on request. | Yes, and more mature. |
The honest summary is that Lightroom buys you a gentler first week and phone sync, and darktable costs nothing and keeps your work portable. Which of those is worth more depends entirely on whether you edit on a phone.
If the density is too much on day one, RapidRAW is a far lighter free editor with AI masking that opens quickly on a modest laptop, and it is a reasonable place to start before working up to this.
Stable 5.6.1 or the 5.7 Nightly
The download page offers both, and they are not two flavours of the same thing.
| Build | Who it is for |
|---|---|
| 5.6.1 stable | Everyone. This is the tested release and the one to take unless you have a reason not to. |
| 5.7.0 nightly | Testers only. An in-progress build of the next version, published so people can try features before they are finished. |
A nightly can upgrade your library so the stable version will not read it. That is the risk that matters here, and it is not reversible by reinstalling - darktable's database gets migrated forward, not backward. If you want to try 5.7, back up your darktable configuration folder along with your database first, and keep the backup until you are sure.
Installing on Windows, Mac and Linux
On Windows it is a normal 64-bit installer for Windows 10 and 11. There is no registration, no online account and nothing running in the background afterwards.
On macOS it needs 13.5 Ventura or newer, with native builds for both Apple Silicon and Intel machines. On Linux, check your package manager or software centre first - most distributions carry it - with the project's own builds and an AppImage available if yours does not.
Processing runs on your graphics card where one is available, which makes a real difference on large RAW files. An older machine without a usable GPU will still work, just more slowly, and there is no minimum you need to meet before installing.
If macOS refuses to open it, that is expected and there is a documented fix. You may see "darktable can't be opened because it was not downloaded from the Mac App Store" or, less helpfully, "darktable.app is damaged" - neither means anything is wrong with your download. Right-click the app in Finder and choose Open, which offers a button the normal double-click does not, or run xattr -dr com.apple.quarantine /Applications/darktable.app in Terminal to clear the quarantine flag for good.
Exporting, and What Comes After
darktable exports to JPEG, PNG, TIFF, AVIF and WebP, with control over colour profiles, watermarks, resizing and file naming, so a client set and a web set can come out of the same session with different rules.
Two of those formats have a Windows problem rather than a darktable problem. A WebP export will not open in the built-in viewer until you install the free WebP Codec, and AVIF has the same trouble - our guide to viewing AVIF on Windows covers the three fixes that work.
For reviewing a folder of finished exports, FastStone Image Viewer handles slideshow review and photo info well, and nomacs can sync two windows so you can compare two developments of the same frame side by side at full zoom.
For bulk work, XnView covers over 700 formats with batch tools and IrfanView with its plugin pack is the fastest batch converter on Windows.
Beyond that, Light Image Resizer is good for bulk-resizing a delivery folder, and if you do 3D or product work, Blender takes darktable's TIFF and EXR output straight into its render pipeline.
For a stray DNG or two that you just want as a JPG without opening the editor at all - emailing a proof, say - convertico's DNG to JPG converter does it in the browser in seconds.
Other Free RAW Editors Worth Knowing
darktable is not the only strong free option, and the right one genuinely depends on your camera and your patience. RawTherapee offers the most precise colour and detail controls of any free tool and pairs well with darktable for difficult frames.
Fujifilm shooters have a special case in Fujifilm X RAW Studio, which pushes your RAF files back through the camera's own processor over USB for true Film Simulation colour that no third-party editor reproduces exactly.
Sony owners can use Sony RAW Viewer for native ARW handling. And if you would rather pay for a friendlier catalog-style interface, ACDSee Photo Studio is the gentlest commercial starting point.
Quick questions
Is darktable really free, with no paid version?
Yes. It is open source under the GPL version 3, written by a community of photographers and developers rather than a company. There is no trial period, no paid tier and nothing to upgrade to.
Can it replace Lightroom completely?
For desktop RAW editing and library management, yes. The one thing it does not do is sync to a phone app, so if mobile editing is part of how you work, that gap is real and no free tool closes it.
Should I download 5.6.1 or the 5.7 nightly?
5.6.1. The nightly is an unfinished build of the next version, and it can upgrade your photo library into a format the stable release cannot read afterwards.
Does it have AI noise reduction like Lightroom?
Yes, since version 5.6, with the models downloaded on request rather than bundled. It is newer than Adobe's and still being refined, but it is there and it is free.
Will it change my original RAW files?
No, never. Edits are written to a small separate file beside the photo, so the original stays exactly as the camera wrote it and you can keep several different developments of one frame.
Why does my Mac say darktable is damaged?
It is not. macOS flags applications that did not come from its own store, and the fix is to right-click and choose Open the first time, or clear the quarantine attribute from Terminal.
Is it hard to learn?
Harder than Lightroom for the first week, and there is no point pretending otherwise - the screen is dense and the module list is long. Most people who push through that week stop noticing it.
More editors, viewers and image tools are in the rest of Graphics.
Download darktable 5.6.1 and give it the first week it asks for, or tell us how you got on - this page has no reviews yet.
