HTML to MATLAB Converter

About HTML to MATLAB Converter

Convert HTML tables and structured data to MATLAB code with support for matrices, cell arrays, and struct formats. Perfect for importing web data into MATLAB for analysis and visualization.

• HTML to MATLAB conversion: Convert HTML tables, lists, and text into MATLAB matrix, cell array, or struct syntax.
• Multiple output formats: Choose between numeric matrix, flexible cell array, or field-based struct output.
• Automatic type detection: Detects numeric values and converts them to MATLAB numbers where possible.
• Header-aware conversion: Uses table headers as field names when generating MATLAB structs.
• Documented output: Optional comments at the top of the generated script for clarity and traceability.
• Copy and download: Copy the generated MATLAB code or download it as a file for your project.

Available MATLAB Output Formats

• Matrix: Best for purely numeric data; each table row becomes a row in a numeric matrix (non-numeric values are safely handled).
• Cell array: Ideal for mixed data types, combining numbers, strings, and missing values in a single structure.
• Struct: Produces a struct with named fields (from table headers) and column vectors or cell arrays as values.

Example: Converting HTML Table to MATLAB

Sample HTML table:

<table>
  <thead>
    <tr>
      <th>Time</th>
      <th>Temperature</th>
      <th>Status</th>
    </tr>
  </thead>
  <tbody>
    <tr><td>0</td><td>25.5</td><td>Normal</td></tr>
    <tr><td>1</td><td>26.2</td><td>Normal</td></tr>
    <tr><td>2</td><td>27.8</td><td>Warning</td></tr>
  </tbody>
</table>

Matrix output:

data = [
    0, 25.5;
    1, 26.2;
    2, 27.8;
];

Cell array output:

data = {
    'Time', 'Temperature', 'Status';
    0, 25.5, 'Normal';
    1, 26.2, 'Normal';
    2, 27.8, 'Warning';
};

Struct output:

data = struct();
data.Time = [0; 1; 2];
data.Temperature = [25.5; 26.2; 27.8];
data.Status = {'Normal'; 'Normal'; 'Warning'};

Supported HTML Structures

• Tables: Extracts rows and cells from <table> elements, using <th> as headers when present.
• Lists: Converts ordered and unordered lists (<ul>, <ol>) into MATLAB cell arrays.
• Text blocks: Converts paragraphs and headings into cell arrays or text-based structures.

How to Use the HTML to MATLAB Converter

1. Paste HTML: Paste your HTML table or page source into the input area.
2. Select output format: Choose matrix, cell array, or struct based on your data type and use case.
3. Set options: Enable or disable comments and choose a MATLAB variable name.
4. Generate code: The MATLAB code updates automatically as you edit the HTML.
5. Copy or download: Copy the MATLAB script or download it for use in MATLAB or GNU Octave.

Common Use Cases

• Scientific experiments: Convert HTML reports or lab exports into MATLAB matrices for analysis.
• Web scraping: Turn scraped HTML tables into MATLAB data structures without manual retyping.
• Financial data: Import tables of prices, returns, or economic indicators into MATLAB.
• Engineering dashboards: Move KPI dashboards or monitoring tables into MATLAB for deeper analysis.
• Teaching and learning: Use HTML examples from textbooks or websites directly in MATLAB assignments.

Best Practices for Accurate MATLAB Conversion

• Use clear headers: Add table headers so struct field names and column labels are meaningful.
• Separate text and numbers: Keep numeric columns numeric where possible for better computations.
• Clean HTML: Remove unnecessary formatting tags; focus on semantic structure (table, thead, tbody, tr, td, th).
• Choose the right format: Use matrices for pure numbers, cell arrays for mixed types, and structs for labeled data.

HTML to MATLAB Converter FAQ

• Does this tool support GNU Octave?

  Yes. The generated MATLAB syntax is compatible with GNU Octave, so you can run the code in either environment.

• What happens to non-numeric values in matrix mode?

  In matrix mode, non-numeric values are handled safely so the matrix remains numeric. Use cell array or struct mode if you need to preserve text values.

• Can I convert multiple HTML tables at once?

  Yes. Multiple tables in the same HTML input are converted to multiple MATLAB variables with numbered suffixes for easy access.

• Is my HTML data uploaded anywhere?

  No. All HTML to MATLAB conversion runs in your browser; your data never leaves your device.

MATLAB Compatibility

Generated code is compatible with:

• MATLAB R2006a and later versions.
• GNU Octave and other MATLAB-compatible environments.
• All major MATLAB toolboxes that operate on matrices, tables, or structs.

Privacy & Security

All HTML to MATLAB conversion happens locally in your browser. Your HTML data is never uploaded to any server, making this tool safe for sensitive or internal datasets.