Convert CSV to Markdown (.md)

.csv → .md

Convert CSV to Markdown tables online. Perfect for ChatGPT, Claude, and LLM data analysis. Auto-detects delimiters, clean GFM output. Free, instant.

Output is a standard .md file (Markdown / MD), ready for ChatGPT, Claude, Obsidian, and any LLM workflow.

csv

Drop your CSV file here

…or paste a file from clipboard ⌘/Ctrl V

CSV

Max file size: 20MB ·

Precision Extraction

Engineered for clean output.

table_rows

Auto Headers

The first row is automatically used as the table header with proper GFM formatting.

tune

Delimiter Detection

Automatically detects comma, semicolon, tab, and pipe delimiters.

straighten

Column Sizing

Columns are auto-sized for readable, well-formatted Markdown tables.

Why use mdstill?

FeaturemdstillStandard Tools
PrivacyFiles deleted after processingServer-side storage
Table FidelityHigh-precision GFMBroken text blocks
Output QualitySemantic MarkdownRaw text dumps
Max File Size10 MB free, up to 50 MB on ProUsually 5-10 MB

Frequently Asked Questions

Feed CSV to

Converting CSV is step one — the output is tuned for LLM prompts, RAG pipelines, and knowledge bases.

Related formats

People converting CSV often work with these too.

Other Formats