MD to HTM — Format Comparison & Online Converter
Fast, instant MARKDOWN to HTM conversion. No signup required. Just drop your .md file and get .htm in seconds.
Batch Settings
Markdown（MD）形式で書かれた文章を、ウェブブラウザで表示可能なHTML形式へと変換する際、その過程で失われがちな情報の整合性や、意図したデザインの再現性に頭を悩ませることはありませんか？特に、縦書きの表現が重要な漫画や、厳格なビジネス文書、あるいは特定のフォント指定にこだわるウェブサイトのデザインなど、日本の文脈では細やかな配慮が求められます。当社のMD-HTML変換ツールは、そうした日本のユーザーの皆様が抱える課題に対し、単なる形式変換に留まらない、より高品質なソリューションを提供いたします。構造化された文書の美しさを保ちつつ、ウェブ上での表現力を最大限に引き出すための変換を、ぜひご体験ください。
- 漫画のセリフや注釈をウェブ公開
- ビジネスメールや報告書の体裁維持
- 個人ブログのフォント・レイアウト調整
MDからHTMLへの変換において、日本語特有の縦書きやルビ（振り仮名）といった表現が、変換後のHTMLで適切に表示されるかどうかは重要な検討事項です。特にCSSでの制御を意識した変換が求められます。
About MARKDOWN to HTM Conversion
MD (introduced 2004) and HTM are both document formats, but they differ in important ways. Markdown is a lightweight markup language used by developers, README files, and documentation. HTM is a widely used file format.
When you convert MD to HTM, the goal is to convert between formats quickly. Converting MD to HTM maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your MD file is decoded and re-encoded as HTM. The conversion involves 4 steps: (1) your md file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in htm format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a HTM file. For the opposite direction, CocoConvert also supports HTM to MD conversion.
How to Convert MARKDOWN to HTM
- 1
Upload .md file
Select your MD file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .htm
Set HTM as the output format. The converter uses optimal settings based on the MD→HTM conversion profile.
- 3
Convert
The server-side engine decodes your MD file and re-encodes it as HTM. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .htm file. Multiple output files can be downloaded together.
What Happens When You Convert MARKDOWN to HTM
Your MD file is decoded and re-encoded as HTM.
Your MD file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in HTM format
The converted file is ready for download
Format Comparison
Markdown
.md file
| Extension | .md |
| MIME Type | text/markdown |
| Category | Document |
HTM
.htm file
| Extension | .htm |
| MIME Type | text/html |
| Category | Document |
Should You Convert MARKDOWN to HTM?
When to Convert
- ✓When you need a HTM file
Frequently Asked Questions
What is the difference between MD and HTM?
Markdown is a lightweight markup language used by developers, README files, and documentation. HTM is a widely used file format.
Does MD to HTM conversion affect quality?
Converting MD to HTM maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, MD or HTM?
MD uses none compression. HTM is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does MD to HTM conversion take?
Most conversions finish in seconds. Larger files or complex document content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is MD or HTM better for long-term storage?
MD is better for archival since it's lossless.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.