To turn long videos into YouTube Shorts, start by reviewing your long-form footage for self-contained, high-energy moments lasting between 15 and 60 seconds. Crop the video to a 9:16 vertical aspect ratio, keeping the speaker centered. Add large text captions on the screen to retain viewers who watch without sound. Open with an immediate hook, trim out pauses or filler words, and export the file in high resolution. Upload the clip with a clear title and a link back to the original full video.
Why Repurpose Long Content into Shorts?
Long videos and podcast episodes contain valuable insights, but many viewers discover creators through short video feeds. Turning long-form content into vertical videos helps you package your existing ideas for people who prefer quick tips.
Repurposing saves time compared to writing and filming standalone vertical clips from scratch. Every long episode you record can yield several short highlights, extending the life of your original work across the platform.
Step 1: Identify the Right Moments
Not every segment of a long video translates well into a standalone vertical clip. Scan your timeline for isolated moments that deliver value without requiring background context.
Good moments usually feature a direct answer to a common question, a surprising insight, a heated debate, or a clear step-by-step tip. Avoid clips that rely on earlier context, internal jokes, or visual references that fall outside the main camera frame.
Examples of Good vs Bad Moments
- Bad Moment: A guest saying, "As I mentioned earlier, that third strategy really changed everything for our team last Tuesday."
- Good Moment: A guest saying, "The single biggest mistake new creators make is spending three hours editing an introduction that viewers skip anyway."
Step 2: Reframe to Vertical (9:16)
YouTube Shorts require a vertical format with a 9:16 aspect ratio (1080x1920 pixels). Standard horizontal video (16:9) must be adjusted to fit vertical screens correctly.
Import your chosen clip into your editing software and set the timeline sequence settings to 1080x1920. Scale the video up until it fills the vertical frame. Keep the active speaker centered at all times. If two people are speaking, you can use a split-screen layout or switch the active frame between speakers as they talk.
Step 3: Edit for Pacing and Attention
Short-form video feeds move quickly, so vertical clips require tighter editing than long-form videos. Every second needs to serve a clear purpose.
- Trim the start: Cut out preambles, warm-ups, or greetings. Start directly on the main point or a compelling statement.
- Remove filler words: Delete long pauses, heavy breaths, and words like "um" or "ah" to maintain momentum.
- Keep visuals dynamic: Use subtle zoom-ins, screen punch-ins, or occasional graphic overlays to keep the viewer visually engaged.
Step 4: Add Captions and On-Screen Text
Many users scroll through short video feeds with sound turned off. Clear, animated text captions are essential to ensure your message gets across.
Place your captions in the middle third of the vertical screen. Avoid putting text at the very bottom or the right edge, as YouTube overlays video titles, channel names, and interaction buttons in those zones.
Use high-contrast fonts with a dark outline or background box. Bold key words to help skimmers follow the core message as the clip plays.
Common Mistakes to Avoid
When transitioning from horizontal editing to vertical editing, creators often make structural errors that hurt retention.
- Leaving black bars: Do not export a horizontal video centered on a vertical canvas with top and bottom black bars. Scale the image to fill the frame.
- Cluttered graphics: Horizontal graphics and lower thirds do not translate well to standard vertical layouts. Rebuild lower thirds to fit vertical proportions.
- Weak openings: Do not start a Short with a title card or custom intro graphic. Jump straight into the speech or action.
Automating Your Short Production Workflow
Manually reviewing hours of footage, reframing horizontal shots, adding captions, and designing thumbnails for every clip takes significant effort. As your content catalog grows, doing this manually for every upload can create a bottleneck.
Using an automated tool can streamline this workflow. Services like BlokStreams automatically process your long video uploads to generate optimized titles, descriptions, tags, thumbnails, and vertical video clips. You can learn more about general channel growth strategies in our guides section, or check out our guide on how to grow a podcast on YouTube.
If you prefer to focus purely on creating long-form episodes, automating your clip extraction with BlokStreams allows you to publish regular vertical highlights without manual editing tasks.
Try BlokStreams free
Paste a YouTube link and BlokStreams rewrites the title, description, timestamps and tags, pushes them to YouTube and writes a blog article that links back to it. Free on 10 videos a month, no card.
Try BlokStreams freeQuestions, answered
How long should a YouTube Short cut from a long video be?
YouTube Shorts can be up to 60 seconds long. However, clips between 30 and 45 seconds often perform best because they allow enough time to deliver a complete point without losing the viewer's attention.
Do I need permission from guests to make Shorts from a podcast?
If you already have permission to record and publish the full podcast episode with your guest, that agreement generally covers derivative clips made from the same recording. However, it is good practice to clarify clip usage in your initial guest agreement.
Where should I place text captions on a vertical video?
Place captions in the middle area of the vertical screen. Avoid the top edge where search bars sit, and avoid the bottom third and right side where YouTube places titles, channel names, and engagement buttons.