Floating spheres surrounding a pyramid in a crystal blue material in 3D for the Blauw Films Image Value Checker.

Image Value Checker

Most visual artists, cinematographers, and colorists use these analysis tools to maintain perfect exposure and tonal balance. In digital art, photography, and film production, you can ensure your work translates across any display by monitoring precise luminance values.

This Image Value Checker works for any asset whether a film still, a photograph or a digital painting. Create the art you intend to make whether more high-contrast or lower-contrast by utilizing the built-in Histogram, Waveform, and False Color toggles. By monitoring your grayscale values and zebra lines, you can prevent clipping and achieve a more physically accurate representation of light and shadow in your digital projects.

Image Value Checker

Analyze luminance, contrast, and exposure for professional composition evaluation.

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Supports JPG, PNG, WEBP • Processed locally

Exposure Overlays ? Professional exposure analysis tools used in cinematography and color grading.
Histogram ? Shows distribution of luminance values from shadows (left) to highlights (right).
Shadows Midtones Highlights
Waveform Monitor ? Displays luminance values across the image width. Used for evaluating lighting balance.
Value Analysis ? Numerical breakdown of image luminance characteristics.
Avg Luminance
Dynamic Range
Min Value
Max Value
Contrast Ratio
Contrast Sampler ? Click two points on the image to measure contrast between them. Useful for checking focal point clarity and readability.

What are Values in your Image?

Value refers to the relative lightness or darkness of a color. It is often considered the most important element of a composition because it defines form, creates depth, and directs the viewer's eye.

When you use the Image Value Checker, you are stripping away the "distraction" of hue to analyze the underlying Luminance of your frame. Highlights: The brightest areas that catch the light. Midtones: The "true" value of objects, providing body and texture. Shadows: The dark areas that provide contrast and grounding.

By evaluating your image in grayscale or through a "Value Study," you can identify if your composition has enough contrast to be readable or if it feels "muddy." High-value contrast creates drama and focus, while low-value contrast (High-key or Low-key) creates specific atmospheric moods.

FAQ

An Image Value Checker is a utility tool designed for digital artists, cinematographers, and photographers to analyze the tonal range of an image. It helps you see the structural contrast of a composition without the influence of color.

If the values of an image are too similar, the composition will lack depth and look "flat," even if the colors are beautiful. Checking values ensures that your subject stands out from the background and that the visual hierarchy is clear.

No. The Image Value Checker is a non-destructive analysis tool. It processes a preview of your image to provide technical data and visual overlays, leaving your original file untouched.

While often used interchangeably, "Value" specifically refers to the perceived lightness of a color in relation to white and black, whereas "Brightness" is a technical measure of light intensity.