uDocumentViewer
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Plain Text viewer

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About Plain Text

Plain text — the universal format.

Plain text is the bedrock format. Our viewer streams large files into a virtualized line list so even multi-hundred-MB logs open without crashing the tab.

FAQ
What is a Plain Text file?
Plain text is the bedrock format. Our viewer streams large files into a virtualized line list so even multi-hundred-MB logs open without crashing the tab.
Is my file uploaded?
No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?
Yes. The viewer is mobile-first and works on phones, tablets, and desktops.
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