View Any File Instantly Online

Open Excel, PDF, CSV, JSON, XML, DOCX, 3D models, CAD drawings, GCODE, HAR, PCAP and 35+ formats directly in your browser. No installs, 100% free, secure and fast.

Why Use Our File Viewers?

No Install Needed

View files directly in browser. No software downloads or plugins required.

100% Secure

Files process client-side. We never store or access your documents.

Lightning Fast

Optimized rendering engine opens large files in seconds.

All Formats

Excel, PDF, CSV, JSON, XML, DOCX, 3D, CAD, GCODE, HAR, PCAP and more.

Free Online File Viewer Tools

Click any tool to open your file instantly

Excel Viewer

Open and view .xlsx, .xls files online. Preview sheets, charts and formulas without Microsoft Excel.

CSV Viewer

View comma-separated files in a clean table. Sort, filter and export CSV data instantly.

XML Viewer

Format and view XML files with syntax highlighting. Expand/collapse nodes for easy reading.

JSON Viewer

Format, validate and explore JSON data. Tree view and syntax highlighting included.

YAML Viewer

Parse and visualize YAML files. Validate syntax and view structured data clearly.

PDF Viewer

Open PDF documents online. Zoom, search text and navigate pages without Adobe Reader.

DOCX Viewer

Open Word documents online. Read .docx, .doc files with formatting preserved.

ODT Viewer

Open OpenDocument Text (.odt) files online. Read Writer documents without LibreOffice.

PPT Viewer

View PowerPoint presentations .ppt, .pptx online. Preview slides without MS Office.

XPS Viewer

Open XPS documents online. View Microsoft XPS files without additional software.

PUB Viewer

View Microsoft Publisher .pub files online. Open publications without Publisher app.

Visio Viewer

View MS Visio .vsd, .vsdx diagrams online. Open flowcharts without Visio software.

AI File Viewer

Open and view Adobe Illustrator (.ai) files online. Preview vector artwork without Illustrator.

PSD File Viewer

Open Photoshop PSD files online. Preview layers, images and design compositions.

EPS File Viewer

Open Encapsulated PostScript (.eps) files. Preview vector graphics and print-ready artwork.

DXF File Viewer

View DXF CAD drawings online. Preview 2D and 3D design files without AutoCAD.

STL 3D Viewer

View STL 3D models online. Rotate and inspect meshes for 3D printing and CAD.

OBJ 3D Viewer

View OBJ 3D models online. Preview geometry, materials and textures in your browser.

FBX 3D Viewer

View FBX 3D models online. Rotate, zoom and inspect meshes, textures and animations.

GLTF 3D Viewer

Open GLTF and GLB 3D scenes online. Preview PBR materials, cameras and animations.

PLY 3D Model Viewer

View PLY 3D models and point clouds online. Inspect vertices, faces and colors.

STP 3D Viewer

Open STEP/STP 3D CAD files online. Preview solid models and assemblies.

IGES 3D Viewer

View IGES/IGS 3D CAD files online. Inspect surfaces, curves and solid models in browser.

USDZ Viewer

View USDZ 3D/AR files online. Preview Apple AR Quick Look models in browser.

GCODE Simulator

Simulate and preview G-code toolpaths for CNC and 3D printing. Check layers and movements online.

NC Files Viewer

View numerical control (NC) files and CNC programs. Preview G-code and machine instructions.

LOG File Viewer

Open and analyze log files online. Search, filter and inspect server or application logs.

ICS File Viewer

View iCalendar (.ics) files online. Preview events, dates, reminders and calendar schedules.

Avro Viewer

View Apache Avro data files. Inspect schema, records and serialized big data content.

HDF5 Reader

Open and inspect HDF5 scientific data files. Browse datasets, groups and metadata online.

HAR Analyzer

Analyze HTTP Archive (HAR) files. Inspect network requests, headers, timings and response data.

PCAP Packet Analyzer

Analyze PCAP network capture files. Inspect packets, protocols and traffic in browser.

BIN Viewer

Open binary files and view hex dump. Analyze file structure and raw data.

CTG File Viewer

Open CTG files online. Preview Canon camera catalog and related data files.

ZIP Viewer

Open ZIP archives online. Browse files, preview contents and extract without installing tools.

QR Code Scanner

Scan and decode QR codes online. Upload image or use camera to read QR content.

Barcode Scanner

Read barcodes from images. Supports UPC, EAN, Code128 and other formats.

The Rise of Online File Viewers: Access Documents Anywhere

In today's cloud-first world, online file viewers have transformed how we access documents. Whether you're checking a spreadsheet on your phone, reviewing a PDF on a public computer, or inspecting JSON data without installing software, browser-based viewers eliminate friction. They support dozens of formats — from Excel, Word and PDF to specialized files like YAML, BIN, HDF5, Avro, GCODE and 3D models — all rendered instantly without downloads.

Modern viewers go far beyond office documents. Engineers can open DXF, DWG, STL, OBJ, FBX, GLTF, STEP, IGES and PLY models directly in the browser, rotate them, and inspect geometry without expensive CAD software. Developers can analyze HAR network archives, PCAP packet captures, LOG files and Avro datasets in seconds. Designers can preview PSD, AI and EPS artwork. That breadth used to require a dozen different desktop applications.

Security is a major advantage. Unlike desktop apps that require file uploads to remote servers, modern viewers process files locally in your browser using JavaScript and WebAssembly. Your documents never leave your device, ensuring privacy for sensitive contracts, financial sheets, proprietary CAD models or network captures. This client-side approach also means zero wait time for uploads and no storage limits.

For developers, marketers, engineers and business users, these tools save hours. No more hunting for the right software version or dealing with compatibility issues. Just drag, drop, and view. As remote work grows, instant file access across devices has shifted from convenience to necessity — making online viewers an essential part of every digital toolkit.

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