MIME Type Lookup — Extension & Content-Type
Search extension to MIME or MIME to extension with full type browser
How to Use This Tool
- Enter extension without dot or full MIME type string.
- Lookup filters table bidirectionally by key or value.
- Results table shows extension and MIME columns.
- Browse-all details panel lists first fifty types from full catalog.
- Copy exports all current matches.
About This Tool
VSPIC MIME type lookup searches a built-in reference table by file extension or MIME content-type string, returning matching pairs in a table — plus expandable browse-all section listing common types for quick reference without external API calls.
Type partial queries like json or application/pdf. Results update live client-side. Copy match list for Content-Type headers in HTTP responses or Accept headers in API clients.
Common use cases
- •Inspect HTTP headers and user-agent strings
- •Analyze email headers for phishing investigation
- •Generate strong passwords for staging environments
MIME types in HTTP
Content-Type headers tell browsers and APIs how to interpret body bytes. Wrong MIME causes download instead of render or security mis-sniffing blocked by modern browsers.
Extension to MIME mapping
Web servers map file extensions to default MIME in configuration. Lookup validates nginx or Apache mime.types entries during migration.
MIME to extension reverse lookup
API returns application/vnd.api+json — search MIME to guess conventional file extension for save dialog defaults.
Common types coverage
Table includes web staples — html, css, js, json, png, jpeg, pdf, zip, svg, wasm — plus many office and media types.
Not exhaustive IANA registry
Full IANA list is enormous — we curate common developer-facing types. Obscure vendor MIME may not appear.
Client-side reference
No network fetch — instant offline lookup on airplane documentation work.
Upload validation
Compare user file extension to expected MIME before accepting upload in form design specs.
API design
Document accepted Content-Type values in OpenAPI using lookup to pick canonical strings.
Security sniffing
Never trust extension alone — validate magic bytes server-side. MIME lookup is hint not proof of content.
Browse-all panel
Scrollable subset educates interns on diversity of image/svg+xml versus image/png deployment choices.
Frequently Asked Questions
Yes. VSPIC offers this MIME type lookup at no cost with no account required. Results load in real time.
We do not permanently store your queries on our servers. Some tools run entirely in your browser; others fetch public data for the request only.
Yes. Open the page in any modern phone or tablet browser. Results work on Wi‑Fi and mobile data.
Curated common subset — not every registered MIME type.
Client-side static table.
Enter png not dot png for extension search.
Base MIME only — charset like utf-8 appended separately in HTTP.
May be absent — submit feature request for additions.
Some types map one MIME — first match shown in results.
Next step for your check
Continue with http method tester on VSPIC.
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