SMIL File Type

- The quick facts

What are SMIL files and how to open them

Are you having problems opening a SMIL file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a SMIL file?

SMIL stands for Synchronized Multimedia Integration Language. Files that contain the .smil file extension are written in the XML language and they are very similar to HTML pages. There are four different versions of SMIL including SMIL 1.0, SMIL 2.0, SMIL 2.1 and SMIL 3.0.

The SMIL file format is used to develop slide shows and presentations. The slides contained in these files may include audio, video and text information as well as references to other streaming audio and video files.

The SMIL file format is used by a variety of Nokia phones such as the Nokia 3560 and 6600.

How to open SMIL files

Important: Different programs may use files with the SMIL file extension for different purposes, so unless you are sure which format your SMIL file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different SMIL openers which you will find listed below.

Last updated: March 17, 2022

Suggest another file format using extension SMIL

While we know of one file format using the .SMIL file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .SMIL file.

Various apps that use files with this extension

These apps are known to open certain types of SMIL files. Remember, different programs may use SMIL files for different purposes, so you may need to try out a few of them to be able to open your specific file.

QuickTimeQuickTimeUser submitted
RealPlayerRealPlayerUser submitted
MPC-HCMPC-HCUser submitted
GOM PlayerGOM PlayerUser submitted
5KPlayer5KPlayerUser submitted
MediaPlayerLiteMediaPlayerLiteUser submitted
KMPlayerKMPlayerUser submitted
RealOne PlayerRealOne PlayerUser submitted
QQ PlayerQQ PlayerUser submitted
QuickTime AlternativeQuickTime AlternativeUser submitted