Clean — by Similarity API
Free Markdown Table to CSV Converter
Convert Markdown tables to CSV or Excel. Paste a pipe table or drop an .md file; outer pipes and the |---| row are removed automatically. Free, no upload.
Your data never leaves your browser
How it works
Three steps. One clean result.
Step 1
Add your Markdown
Paste a pipe table or drop an .md file — notes, READMEs and docs work.
Step 2
Pick the table
Every pipe table in the file is found; choose one if there are several.
Step 3
Download CSV or Excel
Preview the rows, then download CSV or XLSX.
Why Clean
The details that make a difference
No pipe clean-up
Leading and trailing pipes, padding spaces and the |---| alignment row are handled for you.
Formatting removed
Bold and `code` marks are stripped from cells; escaped \| stays as a literal pipe.
CSV or Excel
Download a properly quoted CSV, or an XLSX file that opens straight in Excel.
Before
| Name | City | |------|------| | Ada | London, UK |
After
Name,City Ada,"London, UK"
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Frequently asked questions
Is this tool free?
Yes. Clean is free, with no account, payment or download gate.
Is my data uploaded?
No. Processing happens in your browser. Your input is not sent to our servers, sold, shared or used for AI training. Large inputs are limited by your device’s available memory.
What Markdown tables are supported?
GitHub-style pipe tables: a header row, a separator line such as |---|:---:| and one row per line. Text around the tables is ignored.
What if my file has several tables?
Each one is listed in the Table menu with its row count. Pick the one to convert.
Can I convert Markdown to Excel?
Yes. Use Download XLSX for an Excel workbook, or download CSV, which Excel opens directly.
What about uneven rows?
Rows with fewer cells than the header are padded with blanks so columns stay aligned.