Developer tools
Markdown table generator
First row becomes the header. Tabs or commas split cells.
Processed in your browser — nothing is uploaded
Pads columns to a rectangle, inserts an alignment row of ---, and emits GitHub-style pipes.
Last reviewed 2026-09-10.
FAQ
Questions, answered
Alignment?
Default is simple ---. Edit the alignment row if you need left/right.
Empty cells?
They are preserved as blank pipe slots.
Does my text leave the browser?
No. The Markdown table generator runs in JavaScript on this page. Your paste is not uploaded.
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