Open These 60+ 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
  • TXT - Plain Text Files
  • RTF - Rich Text Format
  • ODT - OpenDocument Text
  • ODS - OpenDocument Spreadsheet
  • ODP - OpenDocument Presentation
  • CSV - Comma-Separated Values
  • MD - Markdown Text
  • HTML - Web Document Format
  • XML - Extensible Markup Language
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
  • TSV - Tab-Separated Values
Open Database Files

Font Formats

  • TTF - TrueType Font
  • OTF - OpenType Font
  • WOFF - Web Open Font Format
  • WOFF2 - Web Open Font Format 2.0
  • EOT - Embedded OpenType
  • SVG - SVG Font
  • AMP - Amplifier Font
  • PFB - PostScript Font Binary
  • PFA - PostScript Font ASCII
  • CFF - Compact Font Format
  • BDF - Bitmap Distribution Format
  • DFONT - Mac Font Format
Open Font Files

Audio Formats

  • MP3 - MPEG Audio Layer III
  • WAV - Waveform Audio File Format
  • FLAC - Free Lossless Audio Codec
  • OGG - Ogg Vorbis Audio
  • AAC - Advanced Audio Coding
  • M4A - MPEG-4 Audio File
  • WEBA - WebM Audio
  • AIFF - Audio Interchange File Format
  • MID/MIDI - Musical Instrument Digital Interface
  • WMA - Windows Media Audio
Open Audio Files

Video Formats

  • MP4 - MPEG-4 Video
  • AVI - Audio Video Interleave
  • MOV - Apple QuickTime Movie
  • MKV - Matroska Video
  • WEBM - WebM Video
  • FLV - Flash Video
  • WMV - Windows Media Video
  • MPG/MPEG - MPEG Video
  • 3GP - 3GPP Multimedia File
  • OGV - Ogg Video
Open Video 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 E-book 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 60 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.

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Release to instantly upload and view your file

Maximum file size: 100MB

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

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