All Document Viewer

Open HWP, PDF, Word, Excel, PowerPoint and many other documents right in your browser, with nothing to install.

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How to use

  1. Click Open file, or drag and drop a document onto the page.
  2. The document is read in your browser and shown below. Large files may take a few seconds.
  3. Zoom in or out, search the whole document with Find (Ctrl+F), or switch sheets with the tabs at the bottom (PDFs use the browser PDF viewer's own zoom and find).
  4. Use Print / PDF to print the document or save it as a PDF from your browser's print dialog. Sheets printed with the Print / PDF button include up to the first 5,000 rows (printing with the browser's Ctrl+P prints only the visible part). For PDFs, use the PDF viewer's own print button.

Frequently asked questions

Is my file uploaded to a server?
No. The file is read and displayed only inside your browser. It is never sent to or stored on a server.
Which formats are supported?
HWP and HWPX, PDF, Word (DOC, DOCX, RTF, ODT), Excel (XLS, XLSX, ODS, CSV, TSV), PowerPoint (PPT, PPTX, ODP), EPUB, HTML, MHT, email (EML, MSG), text and Markdown files, common images and ZIP archives (file list only). Password-protected documents and HWP distribution documents can't be opened; for HWP files only the preview stored in the file is shown.
Can I open large files?
Up to 512 MB. Depending on your device's memory, smaller files may still fail to open, and very large sheets may show only their first part. Long documents and large sheets are drawn only where you are looking, so scrolling stays smooth, and you can cancel loading at any time.
Can I edit the document?
No. This is a viewer only and never changes your original file. Macros and scripts in documents are not run, and remote resources such as linked images are not loaded. PDFs, however, are shown with your browser's built-in PDF viewer, so links and actions inside a PDF are handled by that viewer.
Why does the layout differ slightly from the original program?
The viewer rebuilds the document with web technology and the fonts on your device, so it will not match the original program exactly. Depending on the format, headers and footers, page numbers, shape positions, charts and similar elements are omitted (for example, HWP fonts are replaced with Malgun Gothic, and old PPT files show only each slide's text and images). Document info lists what was left out for each file.