Convert anything, at global scale.
200+ formats and automation APIs that feels instant.
CONVERT
From
To
Drop files or choose a source
Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.
Max 2GB per file · Drag & drop ready · Mixed file types welcome
HTML at a glance
HTML
WHATWG's living-standard model replaced the idea that HTML should be treated only as a periodically finished static edition.
X3F at a glance
X3F
Sigma raw support is closely tied to the company's Foveon sensor story, giving X3F a reputation and workflow profile that differ from more mainstream Bayer-centric raw ecosystems.
Format comparison
| Feature | HTML | X3F |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1993 | 2002 |
| Inventor | Tim Berners-Lee | Sigma (Foveon) |
| Status | active | proprietary |
| Primary use cases |
|
|
| Vector scaling | Not supported | Not supported |
When to use each format
When to use HTML
- Your source file is already in HTML.
- Preserve source expectations before exporting to X3F.
- HTML is commonly used in document workflows.
When to use X3F
- Your target workflow expects X3F.
- Improve delivery compatibility with X3F.
- X3F is commonly used in image workflows.
FAQs
Why convert HTML to X3F?
Convert to X3F when preserving Sigma camera originals or maintaining a workflow built around Foveon raw processing.
It is useful for archival retention and non-destructive editing of Sigma captures.
What changes when converting HTML to X3F?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting HTML to X3F?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.