All file formats

Everything Open Online can open, and a few formats it recognises but can’t display yet.

80 formats

  • PDFPortable Document Format
    .pdf
    Excellent
  • DOCXMicrosoft Word Document
    .docx .docm .dotx .dotm
    Good
  • TXTPlain Text
    .txt .text
    Excellent
  • MarkdownMarkdown Document
    .md .markdown .mdown .mkd
    Excellent
  • RTFRich Text Format
    .rtf
    Basic
  • LOGLog File
    .log
    Excellent
  • ODTOpenDocument Text
    .odt
    Basic
  • XLSXMicrosoft Excel Workbook
    .xlsx .xlsm .xltx .xltm
    Good
  • XLSExcel 97–2003 Workbook
    .xls .xlt
    Good
  • CSVComma-Separated Values
    .csv
    Excellent
  • TSVTab-Separated Values
    .tsv .tab
    Excellent
  • ODSOpenDocument Spreadsheet
    .ods .fods
    Good
  • PPTXMicrosoft PowerPoint Presentation
    .pptx .pptm .ppsx .potx
    Experimental
  • ODPOpenDocument Presentation
    .odp
    Basic
  • JPGJPEG Image
    .jpg .jpeg .jpe .jfif
    Excellent
  • PNGPortable Network Graphics
    .png .apng
    Excellent
  • GIFGraphics Interchange Format
    .gif
    Excellent
  • WebPWebP Image
    .webp
    Excellent
  • SVGScalable Vector Graphics
    .svg .svgz
    Excellent
  • AVIFAV1 Image File Format
    .avif
    Good
  • HEICHigh Efficiency Image File
    .heic .heif
    Experimental
  • TIFFTagged Image File Format
    .tiff .tif
    Good
  • PSDAdobe Photoshop Document
    .psd .psb
    Good
  • BMPBitmap Image
    .bmp .dib
    Excellent
  • ICOWindows Icon
    .ico .cur
    Good
  • ZIPZIP Archive
    .zip .zipx .jar .apk
    Excellent
  • TARTape Archive
    .tar
    Good
  • GZIPGzip Compressed File
    .gz .tgz .gzip
    Good
  • EPUBElectronic Publication
    .epub
    Good
  • JSONJavaScript Object Notation
    .json .jsonc .json5 .har
    Excellent
  • XMLExtensible Markup Language
    .xml .xsd .xsl .xslt
    Excellent
  • YAMLYAML Ain’t Markup Language
    .yaml .yml
    Excellent
  • GeoJSONGeoJSON Geographic Data
    .geojson
    Good
  • SQLiteSQLite Database
    .sqlite .sqlite3 .db .db3
    Good
  • ParquetApache Parquet
    .parquet .pq
    Good
  • JSON LinesNewline-delimited JSON
    .jsonl .ndjson
    Excellent
  • HTMLHyperText Markup Language
    .html .htm .xhtml .shtml
    Good
  • CSSCascading Style Sheets
    .css .scss .sass .less
    Excellent
  • JavaScriptJavaScript Source File
    .js .mjs .cjs
    Excellent
  • TypeScriptTypeScript Source File
    .ts .mts .cts
    Excellent
  • PythonPython Script
    .py .pyw .pyi
    Excellent
  • JavaJava Source File
    .java
    Excellent
  • CC Source File
    .c .h
    Excellent
  • C++C++ Source File
    .cpp .cc .cxx .c++
    Excellent
  • GoGo Source File
    .go
    Excellent
  • RustRust Source File
    .rs
    Excellent
  • PHPPHP Script
    .php .phtml
    Excellent
  • SQLSQL Script
    .sql .psql .ddl
    Excellent
  • ShellShell Script
    .sh .bash .zsh .ksh
    Excellent
  • INIConfiguration File
    .ini .cfg .conf .properties
    Excellent
  • TOMLTom’s Obvious Minimal Language
    .toml
    Excellent
  • JSXJavaScript XML (React)
    .jsx
    Excellent
  • TSXTypeScript XML (React)
    .tsx
    Excellent
  • C#C# Source File
    .cs
    Excellent
  • RubyRuby Script
    .rb .rake .gemspec
    Excellent
  • SwiftSwift Source File
    .swift
    Excellent
  • KotlinKotlin Source File
    .kt .kts
    Excellent
  • LuaLua Script
    .lua
    Excellent
  • PowerShellPowerShell Script
    .ps1 .psm1 .psd1
    Excellent
  • BatchWindows Batch File
    .bat .cmd
    Excellent
  • DiffDiff / Patch File
    .diff .patch
    Excellent
  • DockerfileDockerfile
    .dockerfile
    Excellent
  • MP3MPEG Audio Layer III
    .mp3
    Excellent
  • WAVWaveform Audio
    .wav .wave
    Excellent
  • OGGOgg Audio
    .ogg .oga .opus
    Good
  • M4AMPEG-4 Audio
    .m4a .aac .m4b
    Good
  • FLACFree Lossless Audio Codec
    .flac
    Good
  • MP4MPEG-4 Video
    .mp4 .m4v
    Good
  • WebMWebM Video
    .webm
    Good
  • MOVQuickTime Movie
    .mov .qt
    Experimental
  • MKVMatroska Video
    .mkv
    Experimental
  • DOCWord 97–2003 Document
    .doc .dot
    Not supported yet
  • PagesApple Pages Document
    .pages
    Not supported yet
  • NumbersApple Numbers Spreadsheet
    .numbers
    Not supported yet
  • PPTPowerPoint 97–2003 Presentation
    .ppt .pps
    Not supported yet
  • KeynoteApple Keynote Presentation
    .key
    Not supported yet
  • 7Z7-Zip Archive
    .7z
    Not supported yet
  • RARRAR Archive
    .rar
    Not supported yet
  • MOBIMobipocket eBook
    .mobi .azw .azw3 .prc
    Not supported yet
  • AVIAudio Video Interleave
    .avi
    Not supported yet