uDocumentViewer
Documents.xps · .oxps

XPS / OXPS viewer

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About XPS / OXPS

Microsoft fixed-layout document (PDF alternative).

XPS (and its successor OXPS) is Microsoft's fixed-layout document format — an OPC (Open Packaging Conventions) ZIP containing FixedDocumentSequence, FixedDocument, and FixedPage XML parts plus fonts and images. Rendering FixedPage XML to a bitmap needs a full XAML layout engine that doesn't exist in pure JavaScript, so this viewer unpacks the OPC package, lists each part (with page parts highlighted), and surfaces every printable text run for verification and search.

FAQ
What does this viewer actually render?
We unpack the OPC ZIP and list every part with its type (doc-sequence, document, page, rels, xml, …) and size. We also extract printable text from the file. We do not render FixedPage XML — that requires a XAML / WPF layout engine that isn't bundled here.
How do I actually view XPS pages?
On Windows, use the built-in Reader app to print to PDF. On macOS / Linux, install GhostXPS or use MuPDF's mutool — the resulting PDF opens fully in our PDF viewer.
Is my file uploaded?
No. The XPS file is unpacked entirely in your browser using local JavaScript. Nothing is sent to a server.
Does it work on mobile?
Yes. The structural inspector is responsive and works on phones, tablets, and desktops.
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