- Choose extension → MIME or MIME → extension mode.\n2. Enter the value without guessing punctuation rules.\n3. Read the mapped result or hint when unknown.
MIME Type Lookup
MIME Type Lookup
Direction
Run a lookup to see the mapped value.
How to Use This Tool
About
Bidirectional lookup across a curated map of popular web asset extensions and their MIME labels.
Examples
PNG
Input
{
"mode": "extToMime",
"value": "png"
}Output
{
"result": "image/png"
}Use Cases
- Upload validators
- Static hosting
- API Content-Type