Markdown Table Generator
Create GFM Markdown tables visually — add rows/columns, align cells, import from CSV/spreadsheet paste, and copy the formatted table code.
Last updated: March 25, 2026
Find this tool useful? Support the project to keep it free!
Buy me a coffeeWhat is Markdown Table Generator?
Markdown tables use GitHub Flavored Markdown (GFM) table syntax: a header row of pipe-separated column names, a separator row with dashes defining alignment (`---` for left, `:---:` for center, `---:` for right), and then data rows. While powerful for documentation, writing Markdown table syntax by hand is tedious — especially for tables with many columns, numeric data requiring right-alignment, or data copied from spreadsheets.
The Markdown Table Generator provides a spreadsheet-like visual editor: click cells to edit, Tab to move between cells, and the GFM Markdown output updates in real-time. It solves the most common table authoring friction points: adding rows and columns with one click, setting column alignment visually, pasting data directly from Excel or Google Sheets (tab-separated data), and importing CSV files. The output is valid GFM syntax accepted by GitHub, GitLab, Bitbucket, Notion, Obsidian, VS Code, Jira, and any GFM-compatible Markdown renderer.
How to Use Markdown Table Generator
Click any cell in the starter table to edit it — press Tab to move to the next cell, Shift+Tab to go back
Use the "+" buttons at the right edge and bottom to add new columns or rows respectively
Click the alignment icon in each column header to cycle through left / center / right alignment
To import data, click "Import CSV" to upload a .csv file, or copy cells from Excel/Google Sheets and paste into the first cell
Copy the generated Markdown from the right panel using "Copy Markdown" or download as a .md file
Common Use Cases
- Adding a dependency comparison table to a GitHub README without manually formatting pipe characters
- Creating a feature comparison matrix in developer documentation (Notion, Confluence, GitBook)
- Generating a changelog table for a project's CHANGELOG.md with columns: Version, Date, Changes
- Building a quick reference table for API endpoints in a REST API documentation file
- Converting a Google Sheets project status table to Markdown for pasting into a GitHub issue
- Creating a benchmark results table for a technical blog post or performance comparison writeup
- Building a structured data table in a Jira wiki page for sprint planning or requirements documentation
- Generating an accessibility quick reference table for a design system documentation page
Example Input and Output
Generating a formatted API endpoint reference table from a 3×4 grid:
Column 1: Method | Column 2: Endpoint | Column 3: Description
Alignment: center | left | left
Row 1: GET | /users | List all users
Row 2: POST | /users | Create a user
Row 3: PUT | /users/{id} | Update a user
Row 4: DELETE | /users/{id} | Delete a user| Method | Endpoint | Description |
| :----: | :------- | :---------- |
| GET | /users | List all users |
| POST | /users | Create a user |
| PUT | /users/{id} | Update a user |
| DELETE | /users/{id} | Delete a user |Client-Side Processing
All table editing and Markdown generation runs in your browser. Data you enter into the table editor is never sent to our servers.
Formatting for Readability with Prettier
The generated GFM Markdown uses minimal spacing (cells not padded to equal widths). For aligned, "pretty" table output where columns have consistent width: run the output through Prettier (prettier --parser markdown). Prettier's Markdown formatter pads all cells to equal widths, making the raw Markdown source much more readable. Most .prettierrc.json configurations automatically format Markdown table cells when running Prettier on .md files.
GitHub Table Scroll on Mobile
Wide tables on GitHub (many columns) render without horizontal scroll on mobile, causing overflow. Workaround: wrap your Markdown table in an HTML div with overflow-x:auto — GitHub's Markdown renderer passes through this HTML: <div style="overflow-x:auto">| col | col | ... |</div>. This works in GitHub but not all Markdown renderers accept raw HTML.
Frequently Asked Questions
What Markdown flavors support table syntax?
How does column alignment work in GFM tables?
Can I paste spreadsheet data directly?
How do I include pipe characters inside a table cell?
Is there a row or column limit?
How can I convert an existing HTML table to Markdown?
How This Tool Works
Table data is maintained in a 2D array state. The Markdown output is generated by serializing the array: the header row is joined with " | " and wrapped in leading/trailing pipes. The separator row constructs :--- (left), :---: (center), or ---: (right) based on each column's alignment setting. Data rows serialize identically to the header. Tab/shift-tab key events handle cell navigation. Paste events detect tab-separated data and expand it into the grid. CSV import uses a RFC 4180-compliant CSV parser to handle quoted cells with commas.
Technical Stack