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Version: v2026.0.0

Supported formats

ARender supports viewing over 100 document formats. Formats are either rendered natively or converted to PDF before rendering.

PDF

FormatExtensionMIME type
Portable Document Format (1.x to 2.0).pdfapplication/pdf
PDF/A-1, PDF/A-2, PDF/A-3.pdfapplication/pdf
PDF Portfolio.pdfapplication/pdf
Form Data Format (FDF).fdfapplication/vnd.fdf
XML Forms Data Format (XFDF).xmltext/xml

Images

FormatExtensionMIME type
PNG.pngimage/png
JPEG.jpegimage/jpeg
TIFF.tiffimage/tiff
GIF.gifimage/gif
BMP.bmpimage/x-ms-bmp, image/x-bmp, image/x-portable-bitmap
Photoshop Document.psdimage/vnd.adobe.photoshop
EPS.epsimage/x-eps
PostScript.psapplication/postscript
DICOM.dicomapplication/dicom
PCX.pcxapplication/pcx, image/pcx, image/x-pcx
JPEG 2000.jp2image/jp2
HEIF.heifimage/heif
WebP.webpimage/webp

Conversion engine: ImageMagick (all image formats). TIFF is rendered natively.

Email

FormatExtensionMIME type
MSG (Outlook).msgapplication/vnd.ms-outlook
EML.emlmessage/rfc822, application/mbox

Conversion engine: wkhtmltopdf. See Email conversion for configuration.

HTML

FormatExtensionMIME type
HTML.htmltext/html
SVG.svgimage/svg+xml

Conversion engine: wkhtmltopdf.

Office — Text

FormatExtensionMIME type
Microsoft Word.doc, .dotapplication/msword
Microsoft Word Open XML.docx, .dotx, .docm, .dotmapplication/vnd.openxmlformats-officedocument.wordprocessingml.document
Rich Text Format.rtftext/rtf
OpenDocument Text.odt, .odm, .ottapplication/vnd.oasis.opendocument.text

Office — Presentation

FormatExtensionMIME type
Microsoft PowerPoint.ppt, .pot, .pps, .ppaapplication/vnd.ms-powerpoint
Microsoft PowerPoint Open XML.pptx, .potx, .pptm, .potmapplication/vnd.openxmlformats-officedocument.presentationml.presentation
OpenDocument Presentation.odpapplication/vnd.oasis.opendocument.presentation

Office — Spreadsheet

FormatExtensionMIME type
Microsoft Excel.xls, .xlt, .xlaapplication/vnd.ms-excel
Microsoft Excel Open XML.xlsx, .xlsm, .xltx, .xltmapplication/vnd.openxmlformats-officedocument.spreadsheetml.sheet
OpenDocument Spreadsheet.odsapplication/vnd.oasis.opendocument.spreadsheet

Office — Other

FormatExtensionMIME type
Microsoft Visio.vsdapplication/vnd.visio
Microsoft Visio Open XML.vsdxapplication/vnd.ms-visio
OpenDocument Graphics.odgapplication/vnd.oasis.opendocument.graphics
Microsoft Project.mppapplication/vnd.ms-project
Microsoft Publisher.pubapplication/x-mspublisher, application/vnd.ms-publisher

Conversion engine: LibreOffice (default, free), DirectOffice (paid add-on), or MS Office/AROMS (licensed, Windows-only). See Office conversion.

Text

FormatExtensionMIME type
Plain text.txttext/plain
vCard (2.1, 3.0).vcftext/vcard

Conversion engine: PDFBox.

Video

FormatExtensionMIME type
MP4.mp4video/mp4
QuickTime.mov, .qtvideo/quicktime
3GPP.3gppvideo/3gpp
FLV.flvvideo/x-flv
MPEG.mpegvideo/mpeg
AVI.avivideo/x-msvideo
Matroska.mkvvideo/x-matroska
Windows Media Video.wmvvideo/x-ms-asf
MPEG-2.mp2pvideo/mp2p

MP4 (H.264) is streamed natively to the browser. All other formats are converted to MP4 by FFmpeg.

Audio

FormatExtensionMIME type
MP3.mp3audio/mp3
WAV.wavaudio/x-wav
MPEG audio.mpegaudio/mpeg, audio/x-mpeg
AIFF.aiffaudio/x-aiff
MP4 audio.m4a, .m4baudio/mp4

Conversion engine: FFmpeg.

AutoCAD

FormatExtensionMIME type
AutoCAD DWG.dwgimage/vnd.dwg, image/x-dwg
AutoCAD DXF (2013 and earlier).dxfimage/vnd.dxf, image/x-dxf
Autodesk Design Web Format.dwfmodel/vnd.dwf, image/x-dwf
MicroStation DGN (V7, V8).dgnimage/vnd.dgn
Industry Foundation Classes (IFC 2x3, 4).ifcapplication/x-step

Supported DWG versions:

DWG 2018 (AC1032) — AutoCAD 2018/2019/2020/2021
DWG 2013 (AC1027) — AutoCAD 2013/2014/2015/2016/2017
DWG 2010 (AC1024) — AutoCAD 2010/2011/2012
DWG 2007 (AC1021) — AutoCAD 2007/2008/2009
DWG 2004 (AC1018) — AutoCAD 2004/2005/2006
DWG 2000 (AC1015) — AutoCAD 2000/2000i/2002
DWG R14 (AC1014) — AutoCAD Release 14
DWG R13 (AC1012) — AutoCAD Release 13
DWG R11/12 (AC1009) — AutoCAD Release 11/12

Conversion engine: CADConverter (paid add-on). See AutoCAD conversion.

AFP

FormatExtensionMIME type
Advanced Function Presentation.afp, .mdaapplication/x-afp

Conversion engine: AFP converter.

Archives

FormatExtensionMIME type
ZIP.zipapplication/zip
7-Zip.7zapplication/x-7z-compressed
Java archive.jarapplication/java-archive

Archives are extracted and each contained file is rendered individually.

XFA forms

FormatExtensionMIME type
PDF with XFA forms.pdfapplication/pdf

Conversion engine: dedicated XFA flattener.