Learn what gives photographs their character.Understand the style, then create your own interpretation.
About
Photographic analysis and comparison.
Gibbstone is a desktop-style application for comparing photographs, understanding image characteristics, and building practical Lightroom starting points. It is powered by a bundled browser runtime from Gibbstone Style Intelligence.
GSI analyzes more than metadata. It evaluates lighting, tone, colour, white balance, composition, mood, subject emphasis, visual flow, colour harmony, and tonal hierarchy so photographers can understand why an image feels the way it does.
Everything still runs locally in your browser. Your photos are not uploaded, and the analysis exists to explain photographic qualities rather than replace your judgment.
Read this first
How to use Gibbstone.
A one-person side project for matching the color and tone of one photo to another. You're welcome to use it. No one is watching.
How it works, in four sentences
Drop in a reference photo — the one with the color/mood you love.
Drop in your photo — the one that currently looks nothing like it.
Hit Match. Gibbstone reads both images and builds a transform — not a filter slapped on top, an actual analysis of tone, color cast, and saturation.
Drag the sliders, export a Lightroom preset or a LUT, or just download the finished JPEG. Your call.
Photo Intelligence
Gibbstone reads lighting, tone, colour, white balance, mood, composition, subject emphasis, and colour harmony, then summarizes what it sees in plain photographic language.
The part where I reassure you about privacy
Every pixel is processed inside your browser. Nothing uploads anywhere, nothing touches a server, nothing gets stored except in your own device's local storage — which is also where your saved "Looks" live. There is no database with your name on it. There is, in fact, no database. I promise this isn't the "free app" where you're secretly the product — there's no business model here at all, which is its own kind of honesty.
A few things worth knowing
Best references are cropped tight — no phone UI, no black bars, just the photo.
You can feed it multiple references at once for a "mood board" blend instead of one exact photo.
The Batch panel applies one look across an entire folder. Everything still happens on your device—it just repeats the same analysis without making you babysit it.
Saved looks live in your browser only. Clear your browser data and, yes, they're gone — export your library occasionally if you're precious about them.
That's it. That's the whole manual. Go match some colors. And if something breaks, there's a quiet "Report it" link in the footer — I'd rather hear about it than have you assume it's just you. Curious why this exists at all? There's an "About" link down there too.
Optional camera setup
Name exports for your camera.
Gibbstone can use this later for package names, camera-specific files, and export defaults. You can match photos first and change this anytime.
Reference
the look you want one photo, or several to blend
Your frame
the photo to edit JPEG · HEIC · ProRAW/DNG · camera RAW
Look library
saved on this device
Reference Quality
match reliability
Reference-only preset
photo-matching-app
Or copy this and save it as a .xmp file in Files
Built from the reference alone: its fade (black floor), contrast spread, saturation level, and the color cast in shadows, midtones, and highlights — written as absolute Lightroom settings including a tone curve. Without your photo to compare against, it describes the look itself; expect to trim exposure per shot.
Camera & Look Toolscameras, look analysis, batch
Tools for camera calibration, reusable look analysis, and high-volume editing.
Camera harmonization
Lightroom-first
Teach Gibbstone how your camera renders color, then export camera-specific Lightroom profiles and presets. Works with Canon, Nikon, Sony, Fujifilm, Ricoh, Panasonic, OM System/Olympus, Leica, DJI, iPhone, Android, and more—as long as you provide reference images. Use JPEG exports, embedded RAW previews, or reference test frames. The most accurate results come from matching grey card or ColorChecker images captured with the camera you want Gibbstone to learn.
Reference Images
No files selected
Exports
Camera-specific exports become available after Gibbstone learns a camera.
Lightroom Profiles
Lightroom Presets
Look Analysis
local look metadata
Look Analysis stores only the photographic characteristics needed to recreate a look. It does not contain the original image, personal information, or uploads; everything stays on this device.
Batch — apply this look
auto-match each photo
Photos
No files selected
Each photo gets its own full analysis against the current reference — not one fixed recipe stamped across the set — using the Color and Tone slider values above. Gibbstone builds thumbnails for long-press saving and a single ZIP so Safari does not block a pile of automatic downloads. Pick a practical output size for fast previews, client selects, or higher-res handoff JPEGs.
Engine instrumentation for validating Gibbstone Style Intelligence. This workspace only exists in Developer Mode.
Developer diagnostics
v3 tuning
No diagnostics available yet. Gibbstone will place advanced engine information here when needed.
This is for tuning Gibbstone v3, not for normal use. It reports what the subject-protection engine sees in the source frame so skin, sky, foliage, and saturated fabric regressions are easier to diagnose.
Original
Matched
Refine Matchcolor, tone, preset
100%
20%
Photo Intelligence
photographic read
The recipe
Est. Lightroom
Export Optionspreset, profile, LUT, text, images
Something went sideways?
Report a bug
Tell me what happened — this opens your email app with the details already filled in, plus some harmless technical bits (browser, screen size) so I'm not troubleshooting blind. Your photos are never included; they never left your device in the first place.