mdgate converters

Numbers to Markdown in your browser.

Convert Numbers files to GitHub-Flavored Markdown directly in your browser.

Your Numbers stays on your device. No upload. No account.

Starting local converter

Use Numbers to Markdown in your app

$ npm install @mdgate/numbers

import { toMarkdown } from '@mdgate/numbers';

const markdown = await toMarkdown(bytes);

Pure TypeScript, Node.js, Cloudflare Workers, Edge, Browser, No Python, No native addons, No WASM, Zero third-party runtime dependencies

How Numbers to Markdown works

  1. Numbers
  2. iWork table parsing
  3. sheets · tables · cells
  4. GitHub-Flavored Markdown

Built for JavaScript runtimes

Node.js

Read local files, uploads, S3/R2 objects, and other byte sources.

Cloudflare Workers

Parse Numbers files directly inside Workers without Numbers or a native binary.

Browser

Convert Numbers files locally without uploading them to a server.

Edge

Run the same TypeScript converter in compatible Edge runtimes.

What @mdgate/numbers extracts

  • Sheets and tables as Markdown tables
  • Cell text in table order
  • Table structure from the iWork archive

Why @mdgate/numbers

Runs where your JavaScript runs

No separate processing service. The converter is TypeScript you can call from Node.js, Cloudflare Workers, Edge runtimes, and browsers.

Local conversion

Numbers files can stay inside your application or browser.

Content detection

Recognizes Numbers files from their contents, not only the filename.

Deterministic parsing

The same Numbers file produces repeatable Markdown without model inference.

Small runtime surface

No Python. No native addons. No WASM. No third-party runtime dependencies.

Numbers for AI agents

Turn Numbers files into content your agent can actually work with.

  1. Numbers
  2. Markdown
    • grep
    • search
    • chunk
    • index
    • cache
    • cite
    • reason

Need more than Numbers?

One format

@mdgate/numbers

Your own set

@mdgate/core
+ @mdgate/numbers
+ @mdgate/pdf
+ @mdgate/docx

Broad file support

@mdgate/converters

FAQ

Can I convert Numbers to Markdown without uploading it?

Yes. Numbers files can be converted locally in the browser.

Does Numbers to Markdown work in Cloudflare Workers?

Yes. @mdgate/numbers runs directly in Cloudflare Workers.

Does it require Python?

No.

Does it require native addons or WASM?

No.

What does it output?

GitHub-Flavored Markdown.

Can I install only the Numbers converter?

Yes. Install @mdgate/numbers instead of the complete converter set.

Does this convert Excel?

No. Excel workbooks use @mdgate/xlsx.