File Extension Lookup
Search over 500+ file extensions (.json, .ts, .wasm, .webp) with descriptions and associated apps.
How to Use File Extension Lookup
Type any extension in the search box (e.g. wasm, ts, svg, env).
View file category, MIME type, and software associations.
Copy file type details.
Frequently Asked Questions
What is .wasm?
WebAssembly binary format for high-performance browser execution.
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