Local Image Analysis Lab

How many pixels sit near this decoded file's channel maximum?

Choose your image and it stays in this browser. See what fraction of decoded pixels sit at or near a channel maximum, bounded evidence, not a RAW recovery prediction.

Answer

Ready

Your image is decoded and analyzed in this browser tab only. It is never uploaded, transmitted, or stored anywhere else, and nothing about it reaches analytics.

Analyze an image to see the exact limitation wording.

Next decision: Local Image Metadata and Exposure Inspector

Want to learn more? ISO, Dynamic Range, Noise, and Electronic Readout

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Analyze an image to see channel counts and threshold swatches.

Bounded evidence, not a recovery promise

A finished decoded image can show pixels at or near a channel maximum. It cannot reveal the sensor values that a RAW file may contain, nor can it predict what an editor will recover. This private local check gives you bounded evidence about the displayed file and points you back to source frames and a controlled exposure comparison.

A decoded red channel at 255 while green and blue are lower counts as an any-channel maximum, but not an all-channel maximum. That observation may matter for a coloured highlight, yet it does not say whether the original RAW contains recoverable detail. Compare the source frame, a lower exposure if one exists, and your editor's actual result. Do not turn a displayed threshold into a recovery promise.

The optical values here are ideal geometric limits, not measured lens performance. Focus, motion, aberrations, subject contrast, sensor processing, crop, and output can change practical detail.

Your selected file is processed in this browser. Image bytes, metadata, filename, pixels, and derived results are not uploaded or sent to analytics. A rendered-file measurement is not proof of RAW data, scene conditions, provenance, or artistic quality.

Make one controlled test with the important variable held constant. Inspect the subject detail, motion, highlights, and intended output, then adjust the setting that protects the priority you named.

FAQ

Can this tell me whether I can recover blown highlights?
No. It measures decoded pixel values only. RAW data, camera processing, and editing behaviour are outside this browser observation.
Is this a guarantee?
No. The result is bounded by the inputs and assumptions shown on the page. It is designed to support a better next decision, not replace a test, measurement, proof, or professional judgement where one is needed.

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