How it works
Complete the job in three clear steps
- Enter or choose the source value.
- Set the available format or calculation options.
- Review, copy, or download the locally generated result.
Private browser developer tool
MIME Type & Extension Lookup
Look up common MIME types by media type or filename extension with a local bidirectional table.
Free to use Input and results stay in this browser. Lucaden does not send them to a conversion API.
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Important
Check the result before relying on it
Scan-test generated codes before printing or distribution. A generated barcode does not register identifier ownership, and decoded external links should be checked before opening.
Practical details
What this Lucaden tool does
Look up common MIME types by media type or filename extension with a local bidirectional table.
The implementation is native to Lucaden. CyberChef and IT-Tools are credited as product references; Lucaden does not bundle or rebrand their application code.
Included capabilities
- Extension search
- MIME search
- Common web and office formats
- Case-insensitive matching
Useful for
- Set response headers
- Validate uploads
- Configure object storage
- Debug file handling
Questions
About this tool
Does this tool upload my input?
No. It uses JavaScript and browser platform APIs on this device.
Can I treat the result as authoritative?
Validate security, network, protocol, and production configuration results against the system that will use them.
Open-source foundations
Built transparently
Lucaden documents its standards sources, architectural references, and permissive runtime dependencies while keeping this workspace consistent with the Lucaden interface.