Common ports — service to port lookup
A searchable reference of well-known network ports and the services that use them. It runs in your browser (0 uploads, works offline).
How to use it
- Search the table, or browse the whole list.
- Rows filter live as you type.
- Copy or Download the table (or the filtered rows).
FAQ
What port does PostgreSQL (or any service) use?
- Search any port or service on this page and the mapping appears instantly, offline — 443 is HTTPS, 22 is SSH, 6379 is Redis, 27017 is MongoDB, and so on.
What are well-known ports?
Ports 0–1023 are reserved for common services by IANA. This reference covers those plus widely-used developer ports like 3000, 5173 and 8080.
Is anything uploaded?
No — the table is bundled and searched on your device; it works offline.
What port is SSH on?
22 — used for SSH and SFTP. Searchable here along with the other everyday ports.
Limits
Covers well-known and common developer ports, not every registered port.
Related
The HTTP status codes and MIME types references sit alongside this; the CIDR calculator handles subnets.
Bookmark this page (Ctrl+D, or ⌘D on Mac) or install the app — it works offline the next time you need it.