About Online File Opener

Our Mission

Online File Opener was created with a simple mission: to make it easy for anyone to view and access their files online without the need to install specialized software.

We believe that accessing your files should be simple, secure, and available from any device with a web browser.

What We Offer

Online File Opener is a comprehensive online file viewer that supports a wide range of file formats:

Document Viewers

PDF, Text, and more

Image Viewers

JPG, PNG, GIF, and more

Code Viewers

Python, JavaScript, Java, and more

Archive Viewers

ZIP, RAR, TAR, 7z, and more

Database Viewers

SQLite, .db, and more

Video Viewers

MP4, WebM, and more

Key Features

Browser-Based Viewing

View your files directly in your web browser without downloading or installing any additional software.

Privacy & Security

Your files are processed securely, and we prioritize your privacy by not storing your files permanently.

Mobile Friendly

Access and view your files from any device, including smartphones and tablets.

Fast & Efficient

Our viewers are optimized for speed and performance, allowing you to quickly access your files.

Our Technology

Online File Opener is built using modern web technologies to provide a seamless and responsive user experience:

  • Flask web framework for robust backend processing
  • Bootstrap for responsive and mobile-friendly design
  • JavaScript for interactive file viewing capabilities
  • Specialized libraries for handling various file formats

For more details about the technologies we use, visit our Tools & Versions page.

Drop your file to view

Release to instantly upload and view your file

Maximum file size: 100MB

Supported formats: Documents, Images, Videos, Code, Archives, and more

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