Reference Tools
Quick references for HTTP status codes, headers, MIME types, ports, chmod, ASCII/Unicode helpers, and QR generation. Keep debugging momentum without leaving DevTooKit or creating an account.
7 tools in this category · 91 total on DevTooKit · local-first, no upload
Tools in Reference
- HTTP Status CodesSearchable reference of all HTTP status codes with meanings.
- ASCII TableFull ASCII character reference with decimal, hex, and binary.
- MIME TypesSearchable database of file extensions and MIME types.
- QR Code GeneratorGenerate QR codes from any text or URL with adjustable size.
- HTTP Headers ReferenceSearchable reference of 70+ HTTP headers (request, response, general). Includes examples and RFC specs.
- Port Number ReferenceSearchable reference of 60+ common network ports (HTTP, SSH, DBs, dev servers). Category-filtered.
- Chmod CalculatorConvert Unix file permissions between octal, symbolic (rwx), and chmod commands.
FAQ — Reference
Do reference tools send network requests?
Lookup pages are local. Separate HTTP tester tools only request URLs you explicitly choose.