Open These 50+ File Formats Online Without Installing Software

Online File Opener supports a wide range of file formats that you can open and view directly in your browser. No need to download or install any software.

Document Formats

  • PDF - Portable Document Format
  • DOCX/DOC - Microsoft Word Documents
  • XLSX/XLS - Microsoft Excel Spreadsheets
  • PPTX/PPT - Microsoft PowerPoint Presentations
  • TXT - Plain Text Files
  • RTF - Rich Text Format
  • ODT - OpenDocument Text
  • ODS - OpenDocument Spreadsheet
  • ODP - OpenDocument Presentation
  • CSV - Comma-Separated Values
Open Document Files

Image Formats

  • JPG/JPEG - Joint Photographic Experts Group
  • PNG - Portable Network Graphics
  • GIF - Graphics Interchange Format
  • SVG - Scalable Vector Graphics
  • WEBP - Web Picture Format
  • BMP - Bitmap Image File
  • TIFF - Tagged Image File Format
  • ICO - Icon File
  • HEIC - High Efficiency Image Format
  • RAW - Raw Image Formats
Open Image Files

Code & Markup Formats

  • HTML - HyperText Markup Language
  • CSS - Cascading Style Sheets
  • JS - JavaScript
  • JSON - JavaScript Object Notation
  • XML - Extensible Markup Language
  • PY - Python
  • JAVA - Java Source Code
  • PHP - PHP: Hypertext Preprocessor
  • C/CPP - C/C++ Source Code
  • SQL - Structured Query Language
Open Code Files

Archive Formats

  • ZIP - ZIP Archive
  • RAR - Roshal Archive
  • 7Z - 7-Zip Archive
  • TAR - Tape Archive
  • GZ - GNU Zipped Archive
  • BZ2 - Bzip2 Compressed File
  • XZ - XZ Compressed File
  • ISO - Disc Image File
  • CAB - Windows Cabinet File
  • JAR - Java Archive
Open Archive Files

Database Formats

  • SQLite - SQLite Database
  • MDB - Microsoft Access Database
  • ACCDB - Microsoft Access Database
  • DBF - dBase Database File
  • SQL - SQL Dump File
  • DB - Generic Database File
  • JSON - JSON Database
  • XML - XML Database
  • CSV - CSV Database
  • XLSX - Excel as Database
Open Database Files

Other Formats

  • EML - Email Message
  • MSG - Outlook Message
  • VCF - vCard File
  • ICS - iCalendar File
  • EPUB - Electronic Publication
  • MOBI - Mobipocket eBook
  • FB2 - FictionBook
  • LOG - Log File
  • YAML/YML - YAML Ain't Markup Language
  • TOML - Tom's Obvious, Minimal Language
Open Other Files

Why Use Online File Opener?

  • No Software Installation - Open files directly in your browser
  • Free to Use - No subscriptions or hidden costs
  • Wide Format Support - View over 50 different file formats
  • Secure - Your files remain private and are not stored permanently
  • Cross-Platform - Works on Windows, Mac, Linux, and mobile devices
  • Fast Loading - No waiting for software to install or update
  • Modern Interface - Clean, intuitive design for easy file viewing
  • No Account Required - Just upload and view your files instantly

Ready to Open Your Files?

Try our online file viewer today and experience the convenience of opening files without software.

Get Started Now

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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