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Convert JavaScript Object to Markdown Table Online - Free, Local & Instant

Instant JavaScript Object (.js) to Markdown Table (.md) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.

JavaScript Object → Markdown Table ⇄ Swap (Markdown Table → JavaScript Object)

Technical Comparison: JavaScript Object vs Markdown Table

Data & Dev Config
Specification JavaScript Object (Source) Markdown Table (Target)
Full Specification ES Module JavaScript Object Literal GitHub Flavored Markdown (GFM) Pipe Table
File Extension & MIME .js (text/javascript) .md (text/markdown)
Data Typing Model Unquoted identifier keys, single-quoted strings, ES export default Formatted plain-text cells with pipe delimiters
Structure & Hierarchy Arbitrarily nested JS objects and arrays 2D header + separator + aligned data rows
Comments Support Supported (// and /* */) HTML comments supported
Primary Ecosystem Vite/Webpack configs, TypeScript/JS mock data, Next.js constants GitHub READMEs, Notion docs, Obsidian notes, Docusaurus, PR summaries

JavaScript Object to Markdown Table — Before & After Example

Before (JavaScript Object Input)
const data = [
  {
    id: 1,
    name: 'Alice Johnson',
    email: 'alice@example.com',
    role: 'admin',
    active: true,
    score: 98.5,
    address: {
      city: 'Berlin',
      country: 'DE',
    },
  },
  {
    id: 2,
    name: 'Bob Smith',
    email: 'bob@example.com',
    role: 'editor',
    active: false,
    score: 87,
    address: {
      city: 'Austin',
      country: 'US',
    },
  },
  {
    id: 3,
    name: 'Chiara Rossi',
    email: 'chiara@example.com',
    role: 'viewer',
    active: true,
    score: 91.25,
    address: {
      city: 'Milan',
      country: 'IT',
    },
  },
];

export default data;
After (Markdown Table Output)
| id  | name          | email              | role   | active | score | address.city | address.country |
| --- | ------------- | ------------------ | ------ | ------ | ----- | ------------ | --------------- |
| 1   | Alice Johnson | alice@example.com  | admin  | true   | 98.5  | Berlin       | DE              |
| 2   | Bob Smith     | bob@example.com    | editor | false  | 87    | Austin       | US              |
| 3   | Chiara Rossi  | chiara@example.com | viewer | true   | 91.25 | Milan        | IT              |

Frequently Asked Questions: JavaScript Object to Markdown Table

How do I convert JavaScript Object to Markdown Table online without uploading sensitive files? ▾

Paste your JavaScript Object data or drag and drop a .js file into the converter above. ZeroUpload parses JavaScript Object and serializes Markdown Table 100% inside your browser RAM using local JavaScript—no bytes are ever sent to an external server.

How are nested objects or tabular columns mapped between JavaScript Object and Markdown Table? ▾

When converting hierarchical structures (Arbitrarily nested JS objects and arrays) and tabular or config formats (2D header + separator + aligned data rows), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.

Is this JavaScript Object to Markdown Table converter free for commercial and production config files? ▾

Yes. The tool is completely free, requires no account or API key, and works offline once loaded. Because execution happens in local memory, it is safe for proprietary JavaScript Object, database exports, and production secrets.

Can I convert Markdown Table back to JavaScript Object? ▾

Yes! Click the "Swap (Markdown Table → JavaScript Object)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.