MIME Type Lookup
Look up MIME types by file extension or find extensions for any MIME type. 200+ types covered.
Last reviewed: April 2026New to this tool? Click here for instructions
How to use MIME Type Lookup
MIME Type Lookup is a tool that helps you find the MIME type of a file based on its extension. To use this tool, simply enter the file extension in the search bar and click the search button. The tool will return the corresponding MIME type along with additional information such as the category, binary/text classification, and description of the MIME type.
When to use MIME Type Lookup
MIME Type Lookup is useful in various scenarios, including but not limited to: 1. When you need to ensure that your web assets are being served with the correct MIME type to avoid potential security issues. 2. When you are developing a web application and need to validate file uploads to ensure they are of the correct type. 3. When you are troubleshooting issues related to file serving and need to verify the MIME type of a file.
How it works
MIME Type Lookup uses a database of MIME types to provide accurate results. When you enter a file extension, the tool queries the database and returns the corresponding MIME type along with additional information. The tool also provides a search bar where you can enter a MIME type to find the corresponding file extension. This can be useful if you need to verify the file extension of a file with a known MIME type.
Tips, Edge Cases, or Limitations
1. MIME Type Lookup uses a database of MIME types, so it may not include all possible MIME types. However, it covers the most commonly used MIME types. 2. MIME Type Lookup does not validate the correctness of the MIME type returned. It simply retrieves the MIME type from the database based on the file extension. 3. MIME Type Lookup does not provide information about the file format or the application that created the file. It only provides information about the MIME type.