Image Edit Analysis Tool

Beta

Primary viewer

Original / Edited comparison

Waiting for analysis

Diagnostic maps

Diagnostic workstation

Overview diagnostics

Practical guide

Use image edit analysis to understand a visible photo change

Image edit analysis is useful when you have an original image, an edited version, and a practical question: what changed? The answer is rarely a single slider. A finished photo can combine exposure adjustment, contrast adjustment, saturation adjustment, white balance adjustment, hue shift, gamma response, sharpening, blur, vignette, and local color work. This tool treats the pair as a visual comparison problem. It looks for estimated edit settings, shows diagnostic maps, and can prepare a 3D LUT for applying a similar look in the browser.

What image edit analysis can tell you

A good image edit analysis starts with two same-composition photos. The before image acts as the reference and the after image shows the visible result. When the alignment is reasonable, the analyzer can estimate whether the edited photo is brighter, warmer, more saturated, flatter, punchier, or shifted toward a different color balance. It is not trying to read hidden editor history. It is estimating the visible relationship between the two images.

That distinction matters. Photo edit analysis can suggest that exposure moved upward, that photo color correction pushed shadows cooler, or that photo edit settings likely added contrast. It cannot honestly promise the exact settings used in a particular app. The useful output is a set of estimated edit settings that gives a direction, a range, and a confidence level. For many workflows, that is enough to learn from a reference, rebuild a consistent look, or decide whether a color correction is too strong.

Before and after editing review

Before and after photo editing is easiest to judge when the pair can be inspected visually and numerically. The comparison slider helps you check the obvious change first: face tone, sky density, product color, shadow lift, highlight recovery, or overall mood. The diagnostic maps then make the review more specific. Luma difference highlights brightness movement. Chroma difference and the color difference map show where hue or saturation changed. A photo difference map can reveal areas that do not follow the global edit model.

This kind of before after photo editing review is especially helpful for portfolios, retouching handoff, ecommerce images, presets, and color grading before and after studies. If an edited photo before after pair contains local masking, replacement, relighting, skin retouching, or background cleanup, the image residual map will usually stay active in those regions. That is a useful warning: the pair may still be valuable, but a single global recipe or color grading LUT will not explain every pixel.

Reading the estimated edit settings

The estimated edit settings are the center of image edit analysis. Exposure adjustment describes a scene-wide brightness shift in EV-style language. Brightness and gamma help separate midtone lift from a simple exposure move. Contrast adjustment describes whether tonal separation increased or softened. Saturation adjustment, hue shift, temperature, and tint describe photo color adjustment. Sharpness and blur are treated cautiously because global tone, gamma, and contrast changes can make edges look different without a true texture edit.

For photo editing settings, the range matters more than a single number. A value such as warmer temperature or magenta tint should be read as an estimate of direction and strength, not as a promise that another editor would use the same numeric control. The tool also reports confidence, fit quality, coverage, alignment, and noise. If the fitted model explains most of the sampled change, image edit analysis should not overstate sharpening, blur, or local contrast. If residual error remains high, the result should be read as a partial explanation.

Color matching and color application

Many users arrive with a color matching problem rather than a forensic problem. They want image color matching for a product set, photo color matching for a gallery, or a way to match colors between images without guessing every control by hand. Image edit analysis can support that workflow by estimating the global color relationship between a reference and an edited image. It can help match photo color, compare photo color settings, or apply a similar image color look to reference material when the image pair is close enough.

Color match photo workflows become more reliable when the source and target images share useful color coverage. Skin, sky, foliage, neutrals, and saturated objects all provide different clues. Reference image color match tasks become weaker when the reference contains only a narrow palette or clipped highlights. The same is true for applying a color look from one photo to another. A tool can estimate the look, but it should also show coverage and reconstruction error so the user knows when the match is limited.

LUT generation and local application

A LUT is useful when you want to carry a visual grade from one image relationship into another image. This page includes an image to LUT workflow, a LUT generator, and controls that act like a browser-local LUT maker. After the image edit analysis runs, you can create LUT from image pairs, choose a 17, 33, or 65 size, adjust smoothing, and export a valid CUBE LUT file. The CUBE LUT export uses Red-fastest and Blue-slowest ordering so the file can be used in standard color grading LUT workflows.

The LUT creator is designed for applying a similar look, not exact recovery. A 3D LUT generator can approximate color and tone behavior from the analyzed pair, then apply LUT to image targets locally. Full-resolution target export is the default, while preview export keeps a smaller 1024px result for quick checks. This is useful for match color grading, color grade matching, extract color grade exploration, and color grading LUT handoff. If you need an online LUT maker or online LUT creator experience but do not want image uploads, this browser-local workflow keeps the work inside the active session.

Using diagnostic maps before trusting the result

Diagnostic maps are what make image edit analysis more than a list of numbers. Histogram comparison and image histogram comparison show whether the tonal distribution changed in a broad, global way. Luma difference can confirm exposure, brightness, and gamma behavior. Chroma difference can separate a neutral tone move from a stronger color correction. The residual map shows where the fitted estimate still misses the after image. High residual error around skies, reflections, faces, or object edges can mean local edits, masking, compression artifacts, or alignment problems.

A practical image adjustment analysis should make low-confidence cases visible. If the pair has different crops, changed subject position, heavy noise, clipped channels, or replaced objects, the image difference analyzer should say so. A free photo edit analyzer is most useful when it helps you decide what not to trust. Use the estimated ranges to learn the broad direction, use the maps to inspect exceptions, and apply the LUT to a target image only when the result looks stable enough for the next image.

Common questions this workflow supports

People use an image edit detector for many small but important decisions: did this preset mostly change color, did the retoucher add local contrast, or did the grade depend on photo tone adjustment as much as color? The same workflow can support edited image analysis, photo adjustment analysis, visual edit analysis, and edited photo adjustment analysis when the pair shows the same scene. It can also help teams analyze photo edits when they receive a final JPEG but need to understand the practical image edit recipe behind it.

The tool is also useful for photo editing before and after review, photo edit before and after discussion, photo retouching before and after checks, and photo color correction before and after comparisons. If the goal is to copy color grade from image references, generate LUT from image pairs, extract LUT from image behavior, use a cube LUT generator, or export .cube LUT files for another workflow, the LUT controls give a controlled starting point. It works as a browser-local online image edit detector, not as an upload-based apply LUT online service. The result can still inform image tone adjustment, photo editing adjustments, photo adjustment settings, an edit settings estimate, or estimated photo settings for a manual rebuild.

Best fit for real editing decisions

Image edit analysis is strongest for same-scene comparisons: original versus edited RAW export, product image variants, a preset test, a retouching pass, or a controlled color correction. It is weaker when the after image includes generative changes, heavy object removal, different lighting, a new background, or a different camera angle. In those cases, the estimated edit settings can still describe broad tone and color movement, but it should not be treated as a complete explanation.

Use this tool when you want to understand a before and after edit, compare image color correction choices, build a rough color grading LUT, or apply a look to a target image without sending files to a server. The best workflow is simple: upload the pair, run image edit analysis, read the confidence summary, inspect the color difference map and residual map, generate a LUT only when the fit is reasonable, and then test the result on a target image before downloading the PNG or .cube file.