SYNHEX · Datalog Viewer

Beta Access

Enter your email. If you're on the beta tester list you'll receive an instant magic link.

Email

No Log Loaded

Drop a CSV file anywhere here or click LOAD CSV. KTuner, Hondata, ECUFlash and generic CSV formats are auto-detected.

SUPPORTS · METADATA HEADERS · UNICODE · 1M+ SAMPLES

Cell value

Logged channel

Aggregation per cell

Axes

Y axis · RPM

X axis · Load (kPa)

Load resolution

Color by

low high

Display

Show values

Live cell trace

Trace path

Time graph

—

No log loaded

Load a datalog to trace ECU map usage.

Active position

RPM—

LOAD—

LOGGED—

CELL—

Interpolation contribution

Scrub or play to trace cells.

Cell statistics

Hover a cell to inspect.

Tool

Correlation

X axis channel

Y axis channel

Trend line (median)

Density shading

Control chart

Channel to evaluate

Control limits (± σ)

Control limits (UCL / LCL)

Max / Min lines

σ zones (1σ / 2σ)

Box plot

Channel to evaluate (Y)

Group by (X)

Bin size

Show outliers

Mean marker

Correlation

No log loaded

Load a datalog to analyze channel correlation.

Range select Full range

Drag across to isolate a window (e.g. one WOT pull). All tools above analyze only A→B.

Monotonic correlation

—

Spearman ρ

—

Statistics

SPEARMAN ρ—

PEARSON r—

R² (LINEAR)—

SAMPLES—

Relationship

SHAPE—

Power source

Load model

Speed channel

Speed units

Accel source: —

Drum inertia (kg equiv.)

SAE J1349 correction

Derive drum inertia from known peak (HP)

Pressure (inHg)

Ambient (°F)

RPM channel (X axis)

RPM bin

Overlays

Boost

AFR / Lambda

Ignition timing

Pulls

Dyno

No pulls captured

Select an A→B window in Analysis (or load a WOT pull) and capture it here.

Peak power

—HP

@ RPM—

—lb·ft

@ RPM—

Boost / fueling

PEAK BOOST—

AVG AFR—

AFR σ—

WARNINGS—

Performance

AVG POWER—

POWERBAND—

AREA (AUC)—

Data quality

SAMPLES—

QUALITY—

Compare vs

Δ PEAK HP—

Δ PEAK TQ—

GAIN REGION—

0.000s — 0.000s