Markdown Table Generator

Visual WYSIWYG table builder - click to add rows and columns, edit cells inline. Generates markdown table syntax.

How to Use Markdown Table Generator

1

Set table size

Choose the number of rows and columns for your table.
2

Enter cell data

Type content into each cell of the visual table editor.
3

Set alignment

Choose left, center, or right alignment for each column.
4

Copy the Markdown

Click copy to grab the formatted Markdown table code.

Tested tool guide Text and writing tools Checked August 16, 2026

What Markdown Table Generator does, with a checked example

Opens as an empty grid: click to add rows and columns, click into a cell to type, and the tool keeps the underlying markdown in step with what you build. When the table is finished, you copy the pipe-and-dash syntax into a README, issue, or any document. The thing most people discover too late is that tables are not part of original Markdown. They are a GitHub Flavored Markdown extension, so the generated table renders only where GFM is supported. Alignment is set per column, not per cell, and it is expressed by colons in the dash row, not by anything visible in the grid.

Worked example

A concrete input and expected output from the current implementation.

Input

Grid built by clicking and typing: header row "Product | Price | In Stock", body row 1 "Widget | 9.99 | yes", body row 2 "Gadget | 24.50 | no", with center alignment applied to the Price column.

Expected output

| Product | Price | In Stock |
| ------- | :---: | -------- |
| Widget  | 9.99  | yes      |
| Gadget  | 24.50 | no       |

The first line is the header, the second is the separator row: dashes padded to each column's widest cell, with colons on both sides of the Price column to mark center alignment. The padding spaces are cosmetic and renderers ignore them.

How the result is produced

From grid to syntax

Each grid row becomes one line of text and every cell becomes content between pipes. The first row is always the header; below it the tool emits the separator line, a run of dashes per column padded to the width of the widest cell for legibility, with colons where you set an alignment. Body rows follow. The padding is cosmetic: renderers ignore it, so tidy raw text changes nothing about what is displayed.

Alignment and escaping

Alignment lives in the separator line, not in the grid: a colon on the left, both sides, or the right of the dashes means left, center, or right for the whole column. A literal pipe typed into a cell would be read as a column boundary, so it must be written as backslash-pipe, an escape the tool should insert for you. Empty cells still count and keep the column count intact.

Good uses

Drafting a table for a GitHub README or issue comment without hand-aligning pipes and counting dashes.
Comparing items side by side, such as pricing tiers, feature lists, or release notes, when the destination document is rendered with GFM.
Building a table incrementally: adding rows as data arrives, then regenerating the syntax instead of editing raw pipe text each time.

Limits and checks

The output is only a table where GitHub Flavored Markdown is implemented. CommonMark-only renderers, plain text viewers, and many email clients show the raw pipes and dashes instead, so confirm the destination before relying on the result.
Alignment is column-wide and expressed in the separator row. A center-aligned header centers the entire column, not just that cell, and some renderers display every column left-aligned regardless of the colons.
A table loses its structure when a cell contains an unescaped pipe or when the separator row goes missing during a copy. Either failure changes the column count or drops the table back to plain text without any error message.

Common questions

Can I paste an existing markdown table back in to keep editing it?

Only if this page offers an import or paste mode; check for one rather than assuming it exists. Where import is available, it usually accepts well-formed GFM tables only: a header row, a separator row, and matching cell counts on every row. A hand-written table missing the separator line will not round-trip, and you would rebuild it in the grid.

Why does my copied table render as plain text in my document?

The most common causes: the target renderer does not implement GFM tables, or the separator row of dashes was dropped while the text passed through a tool that flattens formatting. The separator row is mandatory; without it, renderers treat the first row as an ordinary paragraph. Verify the destination supports GitHub Flavored Markdown tables.

References and verification

The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.