What is connected?
Inspect identities, connection sources, active modes and relative monitor positions. Keep live and cached profiles apart.
See collector coverageDISPLAY DIAGNOSTICS & EDID ANALYSIS
Know what’s
connected.
Down to the byte.
Inspect display profiles. Understand changes.
Keep the evidence—and its limitations—in view.
macOSWindowsLinuxLocal first. No cloud account.
PROFILE INSPECTORDEMO / 01
DISPLAY IDENTITY
OS-exposed metadataSnapshot → baseline128 bytes
+
One byte. More context.
Readable fields alongside the original bytes.
Illustrative comparisonEvidence first ↗
Metadata onlyStored on your machineExplainable findingsShared core, native collectors
A DISPLAY HAS MORE THAN A NAME
The whole environment.
The relevant detail.
See your layout, profile integrity, timeline and evidence in one calm workspace. Then inspect the exact fields and bytes behind a change.
Real interface. Representative data.Explore the included demo
FROM SIGNAL TO CONTEXT
Different questions.
Connected evidence.
A display profile describes capabilities. Active settings describe the current configuration. DisplayDNA keeps that distinction visible.
What changed?
Compare snapshots with a baseline. Review profile bytes, readable fields, settings and topology side by side.
Build your baselineWhat does it mean?
Open the evidence behind each finding. Confidence and source travel with the observation, including what cannot be detected.
Interpret a findingA RECORD, NOT A VERDICT
Preserve the bytes.
Keep the context.
Save snapshots locally, export a session, and replay the sequence. A changed EDID can have ordinary explanations: a dock, a driver, a user setting, or an override.
Understand EDID and its limitsILLUSTRATIVE SESSIONLOCAL HISTORY
09:00
Baseline saved
Two displays. Profile bytes preserved.
09:02
Active refresh changed
60 Hz → 30 Hz · settings observation
09:04
Profile difference found
Inspect readable fields and raw byte offsets.
ONE CORE. DIFFERENT SOURCES.
Cross-platform.
Honest about coverage.
⌘
macOS
Live hardware verifiedCoreGraphics, I/O Registry and System Profiler. Apple Silicon EDID transport profiles included.
⊞
Windows
Collector fixture testedWMI profiles, registry cache and user32 layout. Native Windows hardware validation is still pending.
/
Linux
Collector fixture testedDRM connector metadata and optional X11 layout. Wayland geometry is currently unavailable.
A FEW USEFUL ANSWERS
Before you
connect the dots.
Does DisplayDNA capture my screen?
No. The default collectors read display and session metadata. They do not capture screen contents, inspect process lists, or upload display data.
Can it detect every recording or capture device?
No. Reliable system-wide screenshot, recording and screen-sharing detection is not implemented. EDID alone cannot reliably reveal downstream capture hardware. Unavailable telemetry stays unknown.
Can a profile difference prove misconduct?
No. Display changes have many ordinary explanations. DisplayDNA is a research and diagnostics tool; anomalies do not establish intent or misconduct.
Do I need an account or a subscription?
No cloud account is needed to run the beta. The current beta download is free. Your application history stays in a local SQLite database.
START WITH THE EVIDENCE
A clearer view of
your display environment.
Try the beta. Keep your data on your machine.
Download DisplayDNA Windows · macOS · Linux