אני קצת עייפה, אבל אני בסדר.

Because the speaker is female.

In Hebrew, adjectives usually agree with the gender of the person or thing they describe.

• עייפה = tired for a feminine speaker
• עייף = tired for a masculine speaker

So:

• אני קצת עייפה = said by a woman/girl
• אני קצת עייף = said by a man/boy

No. Hebrew often allows you to leave out the second אני if it is clear from context.

So both of these work:

• אני קצת עייפה, אבל אני בסדר.
• אני קצת עייפה, אבל בסדר.

Including the second אני sounds a little more explicit or balanced, and it is very natural in speech.

קצת means a little, a bit, or sometimes kind of, depending on context.

In this sentence:

• אני קצת עייפה = I’m a little tired

It softens the statement. It sounds less strong than just:

• אני עייפה = I’m tired

In the present tense, Hebrew usually does not use a separate word for am / is / are.

So:

• אני עייפה literally looks like I tired
• but it means I am tired

This is normal Hebrew grammar. In the present tense, the linking verb to be is usually omitted.

אבל means but.

It connects two contrasting ideas:

• אני קצת עייפה = I’m a little tired
• אבל אני בסדר = but I’m okay

So it works very much like English but.

בסדר is a very common Hebrew expression meaning:

• okay
• fine
• all right

In this sentence, אני בסדר means:

• I’m okay
• I’m fine

The word בסדר is used constantly in everyday Hebrew. It can also mean:

• okay in agreement
• in order
• everything is fine

The ב־ prefix usually means in.

So בסדר literally comes from something like in order or in a proper state, which is why it means okay / fine.

You do not need to translate it word-for-word every time. Just learn בסדר as a fixed everyday expression.

A simple pronunciation guide is:

• אני = ah-NEE
• קצת = ktsat
• עייפה = aye-FAH
• אבל = ah-VAHL
• בסדר = be-SEH-der

Whole sentence:

• ah-NEE ktsat aye-FAH, ah-VAHL ah-NEE be-SEH-der

A few notes:

• קצת begins with a consonant cluster that may feel difficult for English speakers.
• עייפה has stress on the last syllable: fa
• אבל also has stress on the last syllable: val

Yes. This is a very natural word order.

Hebrew commonly places קצת before an adjective:

• קצת עייפה = a little tired
• קצת רעבה = a little hungry
• קצת עצוב = a little sad

So אני קצת עייפה is exactly what you would expect.

Yes. In modern Hebrew, בסדר is extremely common for people as well as situations.

Examples:

• אני בסדר = I’m fine
• הכול בסדר = everything is okay
• זה בסדר = that’s okay / it’s okay

So even if the literal idea is something like in order, the real everyday meaning is often just okay or fine.

It would be:

אני קצת עייף, אבל אני בסדר.

Only עייפה changes to עייף because the adjective must match the speaker’s gender. The rest stays the same.

Yes, very natural.

It sounds like something someone would say in normal conversation when they want to say:

• they are somewhat tired
• but they are still okay

It has a very everyday, spoken feel, especially because of the common words קצת, אבל, and בסדר.

Yes. The comma before אבל works much like the comma before but in English.

So:

• אני קצת עייפה, אבל אני בסדר.

is a normal and clear way to write it.

In casual writing, people may sometimes be less strict with punctuation, but this version is perfectly standard.