MatTest
100% In-Browser · No Sign-up

Tensile Test Analysis Made Simple

Upload your raw load-displacement or stress-strain data and instantly extract elastic modulus, yield strength, UTS, n-value, and more — with interactive charts plus PDF and Excel export.

Elastic Modulus (E)Yield Strength (σ_y)UTS (σ_u)Fracture Strain (ε_f,est)n-value (n)K-value (K)Necking Onset (ε_neck)Strain at UTS (ε@UTS)

How It Works

1

Upload File

Drag & drop a CSV or Excel file from your testing machine.

2

Map Columns

Select which columns contain load, displacement, or stress/strain.

3

Set Specimen Info

Enter gauge length, area, and preferred units.

4

Get Results

Instant analysis with charts, property cards, and PDF/Excel export.

Features

Instant Analysis

Upload CSV or Excel files and get full stress-strain analysis in seconds — no server, no waiting.

Complete Properties

Elastic modulus, yield strength, UTS, estimated fracture strain, n-value, K-value, and more — all with fit quality (R²).

Privacy First

All computations run entirely in your browser. Your data never leaves your machine.

Transparent Methods

Auto E-fit with sliding window, 0.2% offset yield, Considere criterion, and Hollomon fitting — all documented.

PDF & Excel Export

Generate a PDF report or Excel workbook with charts, property tables, and applied conditions.

Advanced Controls

Fine-tune E-fit range, yield offset, smoothing method, and Hollomon fit range in Advanced Mode.

Ready to analyze your data?

Free, instant, private. No account needed.