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What are SMIL files and how to open them

Are you having problems opening a SMIL file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your SMIL 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 ten different SMIL openers which you will find listed below.

Last updated: September 22, 2023

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.

Shark007 Advanced CodecsShark007 Advanced CodecsVerified
QuickTimeQuickTimeUser submitted
GOM PlayerGOM PlayerUser submitted
5KPlayer5KPlayerUser submitted
KMPlayerKMPlayerUser submitted
RealOne PlayerRealOne PlayerUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about SMIL file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.