Extract Code Blocks
Extract fenced code blocks from Markdown (``` blocks) and output the code only. Useful for copying examples without surrounding text. Runs locally in your browser.
Input
Output
Tip: You can verify in DevTools → Network that nothing is uploaded.
About this Extract Code Blocks
Extract Code Blocks scans Markdown content for fenced code blocks and extracts the code inside the fences, outputting it in a clean, copy-friendly format.
This is useful for documentation, READMEs, and blog posts where you want to quickly pull out code examples without manually selecting each block.
- Process text data quickly without external tools
- Transform content for development workflows
- Clean and format text for analysis
- Enable Auto to transform as you type
- Upload text files directly from your device
- Download the result when done
FAQ
No. Everything runs locally in your browser. Nothing you paste is sent to a server.
After the page loads once, it will typically keep working offline (unless you hard refresh with no cache).
No. Your input stays in your browser. Only optional preferences like theme or language may be stored.
Any plain text. You can paste text directly into the input box.
Fenced blocks wrapped in triple backticks (```) are extracted. Inline code using single backticks is typically not included.
Blocks are extracted in the order they appear and separated with a divider so you can distinguish them.
Most versions extract only the code content. If you need language labels preserved, the extraction rule can be extended.