Search MIME types by extension or type. Hundreds of common media types offline with categories and copy.
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Introduction
A MIME Type Lookup is an online tool that helps you identify the correct MIME type associated with a file extension or file format. MIME types, also known as media types, tell browsers, servers, APIs, and applications how a particular file should be handled, displayed, or processed.
Understanding MIME types is important for web development, server configuration, API development, file uploads, and content delivery. Whether you need to configure a web server, debug file upload issues, set HTTP headers, or understand why a browser cannot open a file correctly, this MIME Type Lookup provides quick and accurate information.
How it works
The MIME Type Lookup matches file extensions and formats with their standard MIME type values. Enter a file extension such as .html, .json, .png, or .pdf, and the tool displays the corresponding media type used by browsers and servers.
The lookup process happens instantly in your browser using a built-in database of common MIME types. No files need to be uploaded, making it a fast and privacy-friendly way to find content type information while developing or managing applications.
Common use cases
MIME Type Lookup is commonly used by web developers configuring HTTP response headers, setting up web servers, handling file uploads, building APIs, and debugging incorrect file handling behavior. Correct MIME types ensure browsers and applications interpret files properly.
System administrators use MIME types when configuring Nginx, Apache, cloud storage systems, and content delivery networks. Developers can combine this tool with the HTTP Status Lookup when debugging web responses, the JSON Formatter for API data, or the HTML Formatter when working with web documents.
Benefits
This MIME Type Lookup tool is free, fast, and simple to use. It provides quick access to standard MIME type information, helps troubleshoot file handling problems, improves server configuration accuracy, requires no installation, and works directly from any modern browser.
Tips for best results
Always configure servers with the correct MIME type for each file format. Incorrect MIME types can cause browsers to download files instead of displaying them, block resources, or create compatibility problems.
Do not rely only on file extensions when handling uploaded files in applications. Extensions can be changed easily, so secure systems should also verify file contents and apply proper validation before processing uploads.
When building APIs or web applications, always send accurate Content-Type headers. Correct headers improve compatibility between clients, browsers, and servers while ensuring files are processed as expected.
File Format:
JSON
MIME Type:
application/json
Usage:
Sending JSON data through HTTP APIs
FAQ
Every MIME ever?
No—common web and document types are included for practical offline use.
Custom vendor types?
They may not appear; add them in your server config as needed.
What is a MIME Type Lookup tool?
A MIME Type Lookup tool helps you identify the correct MIME type (also known as a media type or Content-Type) for a file extension or format. It is commonly used by web developers, server administrators, and API developers to ensure files are served correctly over HTTP.
What is a MIME type?
A MIME type is a standardized identifier that tells browsers, servers, and applications what type of content a file contains. Examples include text/html for HTML files, application/json for JSON data, image/png for PNG images, and application/pdf for PDF documents.
Why are MIME types important?
MIME types allow browsers and applications to correctly interpret and display files. Using the correct MIME type ensures images, videos, stylesheets, JavaScript files, documents, and downloads work as expected while improving compatibility, security, and website performance.
How do I find the MIME type of a file?
Simply enter a file extension such as .jpg, .css, .json, or .pdf, and the MIME Type Lookup tool will display the appropriate MIME type along with related information for that file format.
What is the difference between a file extension and a MIME type?
A file extension identifies a file by its name, such as .png or .mp4, while a MIME type identifies the file's content type when it is transmitted over the web. Servers send MIME types in the HTTP Content-Type header so browsers know how to handle the file.
Who should use a MIME Type Lookup tool?
This tool is useful for web developers, backend engineers, DevOps professionals, system administrators, API developers, students, and anyone configuring web servers, cloud storage, file uploads, or HTTP responses.
Can I use this tool when configuring web servers?
Yes. A MIME Type Lookup tool is helpful when configuring web servers such as Apache, Nginx, IIS, or cloud platforms. Assigning the correct MIME type ensures browsers correctly render HTML, CSS, JavaScript, fonts, images, videos, and downloadable files.
Is this MIME Type Lookup tool free to use?
Yes. This MIME Type Lookup tool is completely free and works directly in your browser. You can look up MIME types for as many file extensions as needed without creating an account or installing any software.
Does this MIME Type Lookup tool support common file formats?
Yes. The tool supports a wide range of common file types, including HTML, CSS, JavaScript, JSON, XML, PDF, images, audio, video, fonts, archives, office documents, and many other standard file formats used on the web.
Why should I use an online MIME Type Lookup tool?
An online MIME Type Lookup tool saves time by providing accurate Content-Type information instantly. It helps prevent server configuration mistakes, improves browser compatibility, supports API development, and ensures files are delivered correctly across websites and web applications.