Content Previewer
Editor

Switch to Preview mode to see the result

What Each Format Does
Markdown

Preview rendered Markdown with syntax-highlighted code blocks. Great for documentation, notes, and README files.

JSON

Validate and pretty-print JSON. Spot syntax errors instantly and explore nested data structures.

XML

Parse and validate XML documents. Check well-formedness and view hierarchical structure.

Diff

Compare two versions of text side-by-side. Highlight additions, deletions, and changes with color-coded diffs.

Privacy Note

All processing happens locally in your browser. Your content is never sent to any server, stored, or logged. When you refresh the page, your data is cleared automatically.

Tips for Effective Previewing

  • Use the format toggle to switch between Markdown, JSON, XML, and Diff modes

  • Click "Copy" to copy the raw content to your clipboard

  • Switch between Edit and Preview modes to see how your content will render

  • For large files, the preview updates in real-time as you type