UMD (.umd) is a Chinese e-book format developed for mobile phones in the 2000s. It was popular for reading novels on early smartphones and feature phones, particularly in China. UMD files store text content and optional images in a compact binary format.

Are my UMD files uploaded?

No. Files you open from your device stay on your device and are parsed locally. Nothing is sent to the server.

Why is there no sample UMD file?

UMD is a niche format primarily used in the Chinese mobile market. Creating a valid UMD file requires specialized tools. Please upload your own .umd file to preview it.

Elysia Tools

Mobile Navigation

Diagramme

UMD Viewer

Free online UMD viewer. Open and preview UMD e-books (.umd) directly in your browser — no upload, no software.

.umd

UMD-Buchbeispiel

Betrachter wird geladen…

Beispieldatei ausprobieren

Leitfaden zur Tool-Nutzung

Über dieses Dateiformat

UMD (.umd, Universal Mobile Document) is a Chinese e-book format that was popular on mobile phones in the 2000s and early 2010s. It was developed for reading novels and text content on early smartphones and feature phones, particularly in the Chinese market. UMD files use a compact binary format that stores text content, chapter information and optional cover images. While largely superseded by EPUB and TXT formats, UMD files remain in personal archives of Chinese literature.

Weiter

UMD Viewer

Über dieses Dateiformat

Weitere Dateibetrachter

UMD Viewer

Überblick

Wann verwenden

So funktioniert es

Anwendungsfälle

FAQ

Draw.io-Viewer

Excalidraw-Viewer

Mermaid-Viewer

PlantUML Viewer

XMind Viewer

GeoJSON Viewer