Supported Formats
File types you can upload to Artifact Review — HTML, Markdown, and ZIP bundles.
Artifact Review accepts three file formats for upload. Each is rendered with a live preview that supports collaborative annotation.
HTML
Upload standalone .html files. The HTML is rendered in a sandboxed iframe with a Content Security Policy that allows inline styles, scripts, and data URIs.
Best for: UI prototypes, dashboards, interactive demos, single-page apps.
Accepted MIME types: text/html
Markdown
Upload .md files. Markdown is rendered with GitHub Flavored Markdown (GFM) support, including tables, task lists, strikethrough, and fenced code blocks with syntax highlighting.
Best for: Documentation drafts, READMEs, specification documents, reports.
Accepted MIME types: text/markdown
ZIP Bundles
Upload .zip files containing multi-file projects. The ZIP is extracted and served as a static site. An entry-point HTML file is loaded automatically.
Best for: Multi-file web apps, projects with CSS/JS assets, anything that references external files.
Accepted MIME types: application/zip
See ZIP Packaging Guide for structure requirements and Size Limits for upload constraints.
Format Detection
The upload system detects format by file extension:
| Extension | Detected As |
|---|---|
.html, .htm | HTML |
.md, .markdown | Markdown |
.zip | ZIP |
Other file types are rejected at upload time.