Learn Turkish: Görüntüleri sıkıştırabildiğin kadar sıkıştır.

It uses the target pattern for doing something to the maximum extent. We take the verb stem sıkıştır- (compress), add the ability suffix -abil, then the participle -diğ, and the possessive ending -in (your). Followed by kadar (as much as/up to), it literally means 'up to the amount of your being able to compress'.

Why is the verb sıkıştır used twice in this sentence?

The first time, it is part of the adverbial phrase sıkıştırabildiğin kadar (as much as you can compress). The second time, sıkıştır is the main verb of the sentence in the imperative form (compress!). While English often drops the first verb and just says 'as much as you can', Turkish repeats the specific action.

How is the verb sıkıştırmak formed?

It builds on the root sıkmak (to squeeze). Adding -ış forms sıkışmak (to get wedged or jammed). Adding the causative suffix -tır gives us sıkıştırmak, meaning to make things wedge together—which perfectly translates to 'compress' for digital files or physical objects.

Why does görüntüleri have the -i suffix at the end?