How to Say "online" in Spanish
The Spanish word for “online” is “conectado” — A1 level. This is a very common word in everyday Spanish.

Examples
Mi computadora está conectado al wifi de la oficina.
My computer is connected to the office wifi.
Asegúrate de que el cable esté bien conectado a la pantalla.
Make sure the cable is well connected to the screen.
Estuve conectado toda la mañana en la reunión virtual.
I was online all morning in the virtual meeting.
Adjective Agreement
When used as an adjective (describing a noun), 'conectado' must match the thing it describes in gender and number: 'la línea está conectada' (feminine), 'los dispositivos están conectados' (plural).
Using 'Ser' instead of 'Estar'
Mistake: “La impresora es conectada.”
Correction: La impresora está conectada. (Use 'estar' because being connected is a temporary state or condition, not a permanent characteristic.)
Related Translations
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