ICE Other — A .ice file is a ICE Other. It is a file format typically read and written by specialized applications.
Quick facts
What is .ice
A .ice file is a ICE Other. It is a file format typically read and written by specialized applications.
In the mime-db registry it maps to x-conference/x-cooltalk. When serving .ice over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to x-conference/x-cooltalk and is used by JSON, Slice among others — and is delivered over HTTP via the Content-Type header.
How to open .ice files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: x-conference/x-cooltalk
Common software that reads/writes .ice:
Relation chain
Related extensions
Related MIME types
Related programming languages
Common uses
How to edit .ice files
How to create .ice files
Frequently asked questions
Common options include VS Code, xxd, 7-Zip. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .ice extension.
x-conference/x-cooltalk is the media type identifier used for .ice files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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