die Freizeit
free time
The time when you do not have to work or fulfill other obligations and can spend it as you wish.
In meiner Freizeit gehe ich gerne wandern oder lese ein Buch.
In my free time, I like to go hiking or read a book.

free time
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free time
The time when you do not have to work or fulfill other obligations and can spend it as you wish.
In meiner Freizeit gehe ich gerne wandern oder lese ein Buch.
In my free time, I like to go hiking or read a book.

'Freizeit' (free time) is a simple compound made up of the adjective 'frei' (free) and the noun 'die Zeit' (time). The meaning is literal: it is the time when you are free from obligations.
Nach einer langen Arbeitswoche freue ich mich auf meine Freizeit.
After a long workweek, I look forward to my free time.
As an uncountable noun, 'Freizeit' (free time) is almost always used in the singular. The most common construction is with the preposition 'in' and the dative, usually with a possessive pronoun: 'in meiner Freizeit' (in my free time).
Was machst du gerne in deiner Freizeit?
What do you like to do in your free time?
Common verbs are 'Freizeit haben' (to have free time), 'seine Freizeit verbringen' (to spend one's free time), or 'seine Freizeit gestalten' (to organize/shape one's free time). The word is also a productive component of compounds such as 'Freizeitaktivität' (leisure activity), 'Freizeitpark' (amusement park), or 'Freizeitangebot' (leisure offering/program).
Ich verbringe meine Freizeit am liebsten mit Freunden.
I prefer to spend my free time with friends.
time
'die Zeit' and 'die Freizeit' can both refer to free moments. 'Zeit haben' means simply that you are not busy at the moment or are able to do something. 'die Freizeit' is the time outside work, school, or other obligations. So you can briefly have time, even if it is not really free time, for example between two appointments. There is a risk of confusion because both words have to do with being freely available. For hobbies and relaxation, 'Freizeit' is a better fit; for a specific opportunity, 'Zeit haben' is better.

In ihrer Freizeit liest Sofia gern Krimis.
In her free time, Sofia likes reading crime novels.
In der Pause haben wir Zeit für einen Kaffee.
During the break, we have time for a coffee.