Editing short-form vertical video for Reels, Shorts and TikTok
Editing for Instagram Reels, YouTube Shorts and TikTok is not just horizontal editing in a tall frame. Viewers decide in about a second whether to keep watching, they often have the sound off, and half the screen is covered by buttons and captions. These are the techniques I use to edit vertical video that people actually watch to the end.
Set up the project correctly
- Resolution: 1080×1920 (9:16). Create the sequence at this size from the start rather than reframing at the end.
- Frame rate: match your footage — usually 30 fps. Mixing 24, 30 and 60 fps clips without care causes stutter.
- Reframing horizontal footage: if you shot 16:9, you're cropping most of the frame. Keyframe the position so the subject stays centered, or use your editor's auto-reframe feature and then fix its mistakes.
Respect the safe zones
Every platform puts interface elements on top of your video: the caption and account name at the bottom, the like, comment and share buttons on the right, and sometimes a header at the top. Text or faces placed there get hidden.
Keep important content in the central area — roughly the middle two-thirds vertically, and away from the right edge. Many editors let you import a safe-zone overlay image as a guide layer; turn it off before exporting.
The hook: your first one to two seconds
In a feed, there's no title or thumbnail to convince someone to stay — only the first moment of the video. Strong hooks:
- Start mid-action. Cut the "Hey guys" and the walk into frame. Begin at the most interesting moment.
- State the payoff. "This one setting doubled my video quality" tells viewers why to keep watching.
- Show the result first. For tutorials and transformations, show the finished result, then how you got there.
- Put the hook in text on screen too, because many people are watching muted.
Pacing: faster than you think
Short-form video moves quickly. Remove every pause, breath and filler word. Jump cuts are completely normal here — nobody expects seamless continuity. To keep jump cuts from feeling jarring, alternate the framing: cut from the original shot to a slightly punched-in version (scaled 110–120%) and back again. It feels like a second camera angle.
Something on screen should change every one to three seconds: a cut, a zoom, a text pop-up, b-roll, or a graphic.
Captions are not optional
A large share of viewers watch without sound. Burned-in captions keep them watching and make your message clear. Tips for captions that work:
- Use automatic transcription to generate them, then proofread — errors look careless.
- Show only a few words at a time, timed to the speech.
- Use a bold, very readable font with an outline or shadow so it works on any background.
- Highlight keywords with a different color to guide attention.
- Keep them in the safe zone, usually around the middle or slightly below.
Sound design still matters
For people who do have sound on, audio is what makes short-form feel polished. Add subtle whooshes on transitions and zooms, a pop when text appears, and background music ducked well under the voice. Platform trending sounds can help reach, but only use music you have the right to use, especially on business accounts.
Design for the loop
Platforms count replays, and a video that loops seamlessly gets watched more than once without the viewer noticing. End on a line or image that flows naturally back into the opening. At minimum, cut the ending hard: no long outros, no "thanks for watching" — when the value is delivered, the video is over.
Export settings
- H.264, 1080×1920, at the source frame rate.
- A high bitrate (around 15–20 Mbps for 1080p) — the platform will recompress it, so give it a clean source.
- AAC audio at 48 kHz.
- Before posting, watch the file on your phone, full screen, with the platform's interface in mind.
Quick checklist
Hook in the first second · text version of the hook · no dead air · visual change every few seconds · captions proofread · everything inside the safe zone · audio levels clean · ending that loops or stops sharply. Run through this list before every upload and your retention numbers will show the difference.