HTML to MD API Overview
Convert HTML/HTM to Markdown (MD) through a fast, reliable API. Preserves document structure including headings, lists, links, images, code blocks, and tables where possible. Supports GitHub‑flavored Markdown, optional comment removal, handling of unsupported tags (strip, escape, or pass‑through), and custom list bullet characters. Great for documentation pipelines, wikis, CMS imports, and version‑controlled content. Upload HTML and receive UTF‑8 .md output ready to edit and publish.
Lightning Fast Conversions
Process and convert files in seconds with our high-performance cloud infrastructure.
Accuracy Guaranteed
Our advanced algorithms ensure pixel-perfect and content-accurate file conversions.
Enterprise-Grade Security
ISO 27001, HIPAA, and GDPR compliant with encrypted file processing.
Global Infrastructure
Strategically located servers ensure low latency and high availability worldwide.
Developer Friendly
Comprehensive SDKs and clear documentation for quick and simple integration.
Time-Saving Automation
Automate repetitive document workflows and focus on what matters most.
Customizable Parameters
Fine-tune your automation with these powerful conversion options
File
File Supported formats: .html .htmFile to be converted. Value can be URL or file content.
GithubFlavored
Bool Default: FalseCreate GitHub-flavored markdown GFM.
RemoveComments
Bool Default: FalseRemove comment tags.
UnsupportedTags
Collection Default: PassThroughSets the rules on how to handle unsupported HTML tags.
Values: PassThrough Drop Bypass FailPassThroughTags
StringEnter pass-through tags, separating them with commas. The tags will be copied to the MD document without processing. The UnsupportedTags property should be set to PassThrough.
ListBulletChar
String Default: -Set bullet list character.
StoreFile
Bool Default: FalseWhen the StoreFile parameter is set to True, your converted file is written to ConvertAPI’s encrypted, temporary storage and made available via a time-limited secure download URL, valid for up to 3 hours. After this period, the file is permanently deleted.
When StoreFile is set to False, conversion happens entirely in-memory. The raw file bytes are streamed back in the API response without touching disk or external storage, ensuring maximum security and zero persistence so that only you can access the content.
Integrate within minutes
Easy HTML to MD automation using our simple REST-API
Businesses trust us
Highest rated File Conversion API on major B2B software listing platforms: Capterra, G2, and Trustpilot.
"ConvertAPI has been a game-changer for our document automation workflows. Their conversion accuracy and API reliability are unmatched in the industry for over 7 years."
"ConvertAPI is a reliable, cost-effective solution with a proven track record of stability. It has grown significantly in maturity, adopting enterprise-grade practices over the years."
"We've integrated ConvertAPI across our entire document processing platform. The performance is exceptional and the support team is always responsive. Highly recommended!"
Enterprise-Grade Security
We ensure that all document processing is handled securely in the cloud, adhering to industry-leading standards like ISO 27001, GDPR, and HIPAA. To enhance security even further, we can ensure that no files or data are stored on our servers and never leave your country.
Learn more about security