CSV & data
JSON Shaper
Turn messy notes, CSV, and Markdown tables into clean JSON.
Free converters do well with neat CSV. JSON Shaper is for the messy stuff: pasted notes, key: value lists, and tables.
What it does
- Turns key: value notes, CSV/TSV, and Markdown tables into typed JSON.
- The paid version also parses app logs and splits a one-line US address.
- The free lite tool is a CLI and an MCP server, and runs with no extra packages for the core tool.
Before and after
Markdown table
| Product | Price | In stock |
|---|---|---|
| Widget | 9.50 | true |
| Gadget | 24 | false |Typed JSON
[
{"product": "Widget", "price": 9.5, "in_stock": true},
{"product": "Gadget", "price": 24, "in_stock": false}
]From json-shaper/samples/table.md and table.json.
Get it
For your computer · Gumroad · From $5
Pay what you want, $5 minimum. Adds app logs and a US address splitter.
Free lite · GitHub & PyPI · Free
Notes, CSV/TSV and Markdown tables. CLI and MCP server. No log parsing, no address splitter.
FAQ
What does this tool do?
Turn messy notes, CSV, and Markdown tables into clean JSON. Free converters do well with neat CSV. JSON Shaper is for the messy stuff: pasted notes, key: value lists, and tables.
What does it cost?
For your computer on Gumroad costs From $5. Pay what you want, $5 minimum. Adds app logs and a US address splitter. Free lite on GitHub & PyPI costs Free. Notes, CSV/TSV and Markdown tables. CLI and MCP server. No log parsing, no address splitter.
Will you see my files?
The download tools run on your computer, so those files stay with you. The Apify tools run in your own Apify account. This website does not take uploads.
Does the free tool work with AI apps?
Yes. The free lite version includes a small MCP server. You can use it from Cursor, Claude Desktop, and other apps that support MCP. No API key is needed.