DevToolKit

MIME Type Architect

Search and identify 800+ MIME types instantly. Features bidirectional lookup by extension or type, server config snippets, and 2025 standard additions. 100% private.

Standard Utility

MIME Architect

Select a MIME type to view details and server snippets
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How to Use

The MIME Type Architect is a professional reference utility for web developers, DevOps engineers, and system administrators.

How to use this tool

  1. Bidirectional Search: Use the search bar to find a MIME type by its name (e.g., application/json) or by its file extension (e.g., .avif).
  2. Explore Metadata: Select any result to view its official source (IANA, W3C, etc.), common file extensions, and a plain-English description of the format.
  3. Server Snippets: For each selected type, the tool generates ready-to-use configuration blocks for Nginx, Apache, Express.js, and HTML.
  4. Category Filter: Instantly identify media categories like Image, Video, or Font using the visual icon badges.
  5. Local Reference: The entire database is stored locally in your browser, ensuring lightning-fast searches with zero latency and 100% privacy.

About This Tool

What are MIME Types?

MIME (Multipurpose Internet Mail Extensions), now officially called Media Types, are standardized labels used by the internet to identify the nature and format of a document or file. Browsers use these types to determine how to render content—for example, whether to display an image directly or download a file.

Configuring correct MIME types on your web server is essential for security (e.g., X-Content-Type-Options: nosniff) and for ensuring that modern formats like AVIF and WebP are correctly interpreted by client devices.

Why Use This Tool

Developer-First Intelligence

Searching through raw IANA text files is time-consuming. DevToolKit provides a high-fidelity interface for the global media type registry, augmented with 2025 standards and practical server configuration snippets. It is the definitive offline reference for modern web architecture.

FAQ

What is a MIME type?
A MIME type (Multipurpose Internet Mail Extensions) is a two-part label (type/subtype) that identifies the format of a file or resource on the internet. For example, text/html for web pages, image/png for PNG images, and application/json for JSON data. Web servers send the MIME type in the Content-Type header.
How does the bidirectional search work?
You can search in both directions: enter a file extension (.pdf, .webp) to find its MIME type, or enter a MIME type (application/pdf) to find its associated extensions. The search also works with partial text.
Why are MIME types important for web development?
Browsers use the MIME type (not the file extension) to decide how to process a resource. An incorrect MIME type can cause images not to display, scripts not to execute, or files to download instead of being shown. Correct server configuration is essential.
Does it include modern MIME types?
Yes. The reference includes the 800+ MIME types registered by IANA, including recent additions like image/avif, font/woff2, application/wasm, and web manifest types.
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