How to use Markdown Preview
Paste your input on the left, choose the options you want, and the output appears instantly on the right. Everything runs in your browser — none of your data is sent to a server.
- Paste or type your input in the
INPUTpanel - The output regenerates automatically as you type
- Use
Copyto put the result in your clipboard - Click
Sampleto load a working example
What is Markdown Preview?
Paste Markdown on the left and see rendered HTML on the right — instantly. Supports GitHub-flavored Markdown including tables, task lists, code fences, and autolinks. All HTML output is sanitized with DOMPurify to prevent XSS, so it's safe to paste any content. Processing is fully client-side. This tool is part of santekno's developer toolbox — a curated collection of utilities built for engineers who care about speed, privacy, and simplicity.
Common use cases
- Debugging API payloads and integration issues
- Inspecting tokens, hashes, or encoded strings during development
- Generating fixtures and sample data for tests
- Sharing readable output with teammates in code reviews
FAQ
Yes — tables, task lists, fenced code blocks, autolinks, and line breaks are all supported.