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Runs privately in your browser

Free Online Dead Pixel Checker

Cycle full-screen solid colors to inspect your display visually. This cannot repair pixels or measure hardware faults automatically. This interface works locally in your browser.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use Dead Pixel Checker
Cycle full-screen solid colors to inspect your display visually. This cannot repair pixels or measure hardware faults automatically. This interface works locally in your browser.
  1. Set Color.
  2. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Cycle full-screen solid colors to inspect your display visually. This cannot repair pixels or measure hardware faults automatically. This interface works locally in your browser. The example below demonstrates Color.
Example input:
{
  "color": "red"
}
Result: Actual processed output or live service answers; values depend on the input and request time.
Features & result limitations
Cycle full-screen solid colors to inspect your display visually. This cannot repair pixels or measure hardware faults automatically. This interface works locally in your browser.
Frequently asked questions
What inputs does Dead Pixel Checker accept?
Color
How should I interpret the Dead Pixel Checker result?
Cycle full-screen solid colors to inspect your display visually. This cannot repair pixels or measure hardware faults automatically. This interface works locally in your browser.
Where does Dead Pixel Checker process my data?
Inputs are processed on this server. Uploads use temporary files removed at request end. Public diagnostics contact the named resolvers or website. Private text is not stored in usage counters.