// REPURPOSE RIVERSIDE.FM → YOUTUBE SHORTS

Riverside.fm to YouTube Shorts: Build Channel-Native Shorts From Podcast Recordings

Use Riverside's per-track recordings to build YouTube Shorts with the Related-video link pointing to the full podcast episode. Workflow and gotchas.

Last verified · 2026-05-21 · by Moe Ameen

If you publish full podcast episodes on YouTube, Shorts pulled from the same recordings become a self-feeding system. Each Short carries a Related-video link pointing to the full episode, and the Related-video click-through directly grows long-form watch-time. Riverside's per-track architecture makes the visual side easy; the editorial side is where most podcasters lose.

The Related-video link is the single highest-leverage move on this pair. Skip it and you're leaving the entire compounding-traffic benefit on the table.

Platform specs

// Source
Riverside.fm
Categorylive
Aspect ratios16:9, 9:16, 1:1
Max length4 h
Typical30 min – 1 h
Max file size8 GB
Captionssrt-upload
AudioWAV per-track 48kHz, MP3 mixdown
Post freqas-recorded
Local 4K + per-participant track recording; magic-clips feature extracts vertical highlights.
// Destination
YouTube Shorts
Categoryvideo-short
Aspect ratios9:16
Max length3 min
Typical15s – 1 min
Max file size250 GB
Captionsnative
Hashtag limit15
Caption chars100
AudioAAC-LC, 48kHz stereo
Post freq1-3/day
Verified: 3 min max length per support.google.com/youtube/answer/10059070 (2026-05-21).

Why repurpose Riverside.fm to YouTube Shorts

Podcasters publishing long-form episodes on YouTube use this pair to feed the channel's Shorts shelf and grow long-form watch-time via Related-video click-through.

About the source: Riverside.fm

Riverside per-participant 4K MP4 + per-track audio + transcript + magic-clips.

About the destination: YouTube Shorts

YouTube Shorts 9:16, up to 3 minutes, native captions, Related-video link supported.

The workflow

  1. Use magic-clips as candidate set; pick 5-8 per episode. Magic-clips is already 9:16 and scored.
  2. Build stacked split-screen for two-speaker clips. Per-track lets you stack host + guest cleanly.
  3. Trim under 3 minutes. Shorts cap. Magic-clips defaults to 30-60s anyway.
  4. Attach Related-video link to the full episode upload. Single most important step. Drives long-form watch-time.
  5. Write Shorts title as payoff-forward. Not a podcast episode title. Rewrite for Shorts feed CTR.
  6. Add #Shorts and upload spaced across days. #Shorts forces shelf placement. Stagger 5-8 across 2-3 weeks.

Platform-pair gotchas

IssueFix
Skipping the Related-video link wastes the whole pairAlways attach link to full episode upload.
Magic-clip opening dead air loses Shorts swipe-retentionTighten first 1-2s.
Riverside watermark on free-tier exportsUpgrade or crop watermark area.
Podcast episode title used as Shorts title kills CTRRewrite as payoff-forward Shorts title.
Single-speaker crop on conversational clips loses contextUse stacked split-screen.

Manual vs Kompozy

// Manual workflow
40 min / conversion

Following the workflow above by hand: trimming, reframing, captioning, writing copy, publishing.

// With Kompozy
3 min / conversion

Paste the source URL or upload the file. Kompozy handles transcript, scoring, reframe, captions, copy, and publish.

Frequently asked questions

How many Shorts per episode?

5-8 spaced across 2-3 weeks. More cannibalizes attention.

Do I need to retitle?

Yes — podcast titles fail as Shorts titles. Rewrite payoff-forward.

How does the Related-video link work?

Inside Shorts upload, attach a long-form URL from the same channel. Viewers tap to jump to the full episode.

Stacked split-screen or single-speaker?

Stacked for two-speaker conversational; single-speaker for monologue.

How does Kompozy automate this?

Pull from Riverside, magic-clips as candidates, stack split-screen, attach Related-video link, rewrite titles, schedule across weeks. ~3 min per Short.

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