Convert XLS to Markdown (.md)
.xls → .md
Convert legacy Excel XLS to Markdown tables online. Great for ChatGPT, Claude, and LLM analysis. Excel 97-2003 support, no Office needed. Free, instant.
Output is a standard .md file (Markdown / MD), ready for ChatGPT, Claude, Obsidian, and any LLM workflow.
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Drop your XLS file here
…or paste a file from clipboard ⌘/Ctrl V
XLS
Max file size: 20MB ·
Precision Extraction
Engineered for clean output.
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Legacy Support
Handles classic .xls files from Excel 97–2003 that modern tools often struggle with.
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Table Output
Spreadsheet data is converted to clean GFM Markdown tables with proper headers.
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No Excel Required
Convert .xls files on any device — no Microsoft Office installation needed.
Why use mdstill?
| Feature | mdstill | Standard Tools |
|---|---|---|
| Privacy | Files deleted after processing | Server-side storage |
| Table Fidelity | High-precision GFM | Broken text blocks |
| Output Quality | Semantic Markdown | Raw text dumps |
| Max File Size | 10 MB free, up to 50 MB on Pro | Usually 5-10 MB |
Frequently Asked Questions
Feed XLS to
Converting XLS is step one — the output is tuned for LLM prompts, RAG pipelines, and knowledge bases.
Related formats
People converting XLS often work with these too.