Are NanoTools completely free to use?

Yes, all basic tools on NanoTools are completely free to use with no registration required. We offer premium features for power users.

Is my data secure when using NanoTools?

Your files are processed securely and are automatically deleted after processing. We do not store your files or data on our servers.

Do I need to install any software to use NanoTools?

No installation required. All tools work directly in your browser on any device - computer, tablet, or smartphone.

What file formats are supported?

We support a wide range of formats including PDF, JPG, PNG, WebP, GIF, JSON, XML, CSV, and many more depending on the tool.

SQL to Markdown Converter - Convert SQL to MD

Convert SQL to Markdown online for free. Format SQL queries as Markdown code blocks. Syntax highlighting.

SQL to Markdown Table

Convert SQL CREATE TABLE statements to Markdown documentation

Options

Include data types in output

SQL Input

Supported Features

• Extracts column names, types, and constraints

• Identifies PRIMARY KEY, UNIQUE, NOT NULL constraints

• Captures DEFAULT values

• Supports common SQL data types (INT, VARCHAR, TIMESTAMP, BOOLEAN, JSON, etc.)

• Works with MySQL, PostgreSQL, and standard SQL syntax

• Generates GitHub-flavored Markdown tables

What This Tool Does

Parse SQL CREATE TABLE statements
Extract columns, types, and constraints
Generate Markdown table documentation
Include PRIMARY KEY, UNIQUE, NOT NULL info
Support MySQL, PostgreSQL, and standard SQL

How to Use

1
Paste SQL
Enter CREATE TABLE statement
2
Configure options
Choose whether to include data types
3
Convert
Generate Markdown documentation
4
Export
Copy or download the markdown

How it works

1

Paste SQL

Enter CREATE TABLE statement

2

Configure options

Choose whether to include data types

3

Convert

Generate Markdown documentation

4

Export

Copy or download the markdown

Use Cases

Documenting database schemas
Creating ERD documentation
Adding schema info to README files
Generating API documentation
Database migration documentation

Frequently Asked Questions

What SQL dialects are supported?

Supports MySQL, PostgreSQL, and standard SQL syntax. Most common CREATE TABLE formats work.

Are constraints included?

Yes, PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL, and DEFAULT constraints are extracted and documented.

Can it handle multiple tables?

Currently processes one CREATE TABLE statement at a time. For multiple tables, run each separately.

What about complex types like ENUM or JSON?

Complex types are preserved as-is in the type column for accurate documentation.