Alt + Drag = Copy clip

C = Razor tool

⌘ + K = Split Edit

Ripple Trim Next Edit to Playhead W

Ripple Trim Previous Edit to Playhead Q

Shift+K is a very powerful little shortcut that enables intizlies playback around the position of your playhead. In effect, when you engage the shortcut Premiere Pro will start playback a few seconds before the playhead and continue to play until a few seconds after the playhead position. This is incredibly useful for seeing if an effect works without having to reach over and grab the mouse or risk losing the position of your playhead.

“Play Around” in Premiere Pro is customizable, with the ability to set your preference for the duration of the pre and post roll. To modify, open your Adobe Premiere Pro preferences and click on the Playback section.

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You can use some shortcuts to playback faster than realtime without going so fast you can’t understand the dialog.

Hit play, with either Spacebar or L key to being playback. Double tap L for double speed.

Or Shift key down, tap L and keep tapping L until the playback speed is where you have optimal clarity and speed.

(Recall how many times you tapped).

If you go too far tap J to pull back a speed and also reverse the playback.

You could go the other way which may be more efficient:
Tap L twice to go into 2x speed. Which will most likely be too fast.
Hold Shift and tap J a couple times to pull down the speed.

K will stop the play head. Shift + K = Play a 3 seconds before and 1 second after the timeline position.

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“I did find “Apply video transition” or “Apply default video transition to Selection” but they don’t work, since I want to apply the video transition to single clips, not between two clips as normal.”

Ctrl+D.

Yes, if you apply it between two clips it will do a cross dissolve between two clips.
However, if you apply it to beginning/end of a clip that has no clips around it on the same video layer, it will do what you’re looking for.
So – select all the clips you want, drag them up to an empty video layer. target that layer (and ONLY that layer). swiftly use PgUp/PgDn/Ctrl+D to apply “cross dissolve fade in”/”cross dissolve fade out”.
If you want, you can drag the clips back to the original video layer after you finished.

OR : If you want fade in/fade out rather than cross dissolve for two consecutive clips , you can also change the default transition (Ctrl+D) to “dip to black”, then you can apply it between two clips on the same layer.

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Shift + ⌘ + / = Duplicate clip