OnlineDocumentViewer blends HTML5, Ajax, jQuery and CSS3 to render documents the moment you drop them in the browser. Need to flip through a 200‑page PDF, inspect a complex DWG drawing, or peek at a layered Photoshop PSD? The viewer springs to life in seconds, offering smooth zoom, pan, and page navigation.

What sets it apart?

  • Zero‑install, zero‑registration – just a link, an upload, or a URL and you’re viewing.
  • Cross‑device support – works flawlessly on desktops, tablets and phones.
  • Real‑time rendering – even high‑resolution CAD files or hefty PDFs load without lag.

Explore the feature list

Free Online PDF and Word Viewer Features

Feature PDF DOC/DOCX/ODT
Text search ✅ ✅
Zoom & pan ✅ ✅
Page thumbnails ✅ ✅
Printable output ✅ ✅
Selection & copy ✅ ✅

These tools make OnlineDocumentViewer a natural fit for legal teams, educators, and remote workers who need searchable, on‑the‑fly access without installing anything.

Browser‑Based CAD File Viewer for Architects & Engineers

“I can review DWG plans on my iPad while visiting a construction site—no AutoCAD needed.” – a satisfied user.

With support for DWG, DXF, DGN and other CAD formats, OnlineDocumentViewer lets professionals:

  • Zoom to 1000 % without pixelation.
  • Pan across sprawling drawings with buttery‑smooth motion.
  • Share a secure, view‑only link that anyone can open instantly.

Learn more about CAD support

View PSD Files Online Without Adobe Photoshop

Graphic designers can now explore every Photoshop layer straight from the browser:

  • A side panel shows the layer hierarchy.
  • Pin‑point zoom lets you examine pixels in detail.
  • Export a flattened PNG with a single click for quick sharing.

All of this is free and requires no Adobe plugins.

See PSD viewer details

That simple workflow eliminates bulky email attachments and version‑control nightmares.

Supported Formats at a Glance

OnlineDocumentViewer opens more than 100 file types, including:

  • Office: PDF, DOC/DOCX, ODT, XLS/XLSX, ODS, PPT/PPTX, ODP, VSD, MPP
  • Images: JPEG, PNG, GIF, BMP, SVG, TIFF, ICO, WebP, EPS, TGA, DNG
  • CAD: DWG, DXF, DGN
  • Design: PSD
  • E‑books: EPUB
  • Emails: EML, MSG
  • Text & Markup: TXT, RTF, XML, HTML/MHTML, XPS, CSV

For the full list, see the official format page.

Performance Metrics That Matter

  • Load time: ≤ 2 seconds for files up to 50 MB on a 5 Mbps connection.
  • Memory usage: < 150 MB on Chrome for a 200‑page PDF.
  • Uptime: 99.9 % SLA backed by a global CDN.

These numbers prove that OnlineDocumentViewer isn’t just feature‑rich—it’s fast and dependable.

Common Questions

Q: Do I need to create an account to view documents?
A: No. OnlineDocumentViewer runs completely in the browser—no sign‑up required.

Q: Is my data safe when I upload a file?
A: Absolutely. Files travel over HTTPS and are automatically deleted from our servers once the session ends.

Q: Can I embed the viewer on my website?
A: Yes. A simple iframe integration lets you add instant document viewing to any page.