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Got a file you can't open? Drop it here. No software to install, no account — files are processed entirely in your browser and are never uploaded to us.
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Open these file types
PDF.pdfDOCX.docxXLSX.xlsxCSV.csvZIP.zipEPUB.epubJSON.jsonTXT.txtMarkdown.mdJPG / PNG.jpgMP4 / MP3.mp4HEIC.heic
As easy as 1 – 2 – 3
- Pick your file — drag it onto the page, click to browse, or paste a link.
- We figure out the type — the viewer detects the format automatically.
- Open and read — the file renders right here. Nothing is uploaded.
Your files stay private
OpenViewer reads files entirely inside your browser. Local files never leave your computer; files loaded by URL go straight from their source to your browser. No account, no uploads, no storage.