Embedded OpenType Font — Embedded OpenType font for legacy web use.
Quick facts
What is .eot
A .eot file is a Embedded OpenType Font — Embedded OpenType font for legacy web use.
In the mime-db registry it maps to application/vnd.ms-fontobject, and it is marked as compressible. When serving .eot over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to application/vnd.ms-fontobject — and is delivered over HTTP via the Content-Type header.
How to open .eot files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: application/vnd.ms-fontobject
Common software that reads/writes .eot:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .eot files
How to create .eot files
Frequently asked questions
Common options include FontForge, Browser. 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 .eot extension.
application/vnd.ms-fontobject is the media type identifier used for .eot files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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