MIME Type Lookup: File Extension ↔ MIME Type, 400+ Types

MIME Type Lookup — Free Online Tool

MIME Type Lookup lets you instantly find MIME types from file extensions or discover which extensions map to a given MIME type — 400+ types, all client-side.

Features

• Extension → MIME — type .html, get text/html instantly
• MIME → Extension — type image/jpeg, see jpg, jpeg
• 400+ types — text, image, audio, video, application, font, model, message, multipart
• Category filter — browse by type category
• Full-text search — find by partial extension or MIME string
• Quick chips — one-click common types
• Copy button — on every result

Categories Covered

Category	Examples
text	html, css, js, json, csv, md, yaml
image	jpg, png, webp, avif, svg, gif
audio	mp3, wav, flac, ogg, aac, opus
video	mp4, webm, mkv, mov, avi
application	pdf, zip, wasm, docx, epub
font	woff2, ttf, otf
model	stl, obj, gltf, glb

Try It

https://mime-type-lookup-abi.pages.dev

Part of the DevNest.io collection of free developer tools.