Convert Reddit threads into short vertical videos with AI
Convert Reddit threads into short vertical videos with AI Who is this for? This workflow is ideal for: - Content creators and video editors automating short-form content production - Reddit storytellers converting text posts into engaging TikTok, YouTube Shorts, or Reels - Social media managers repurposing community discussions into visual narratives What problem is this solving? Manually converting Reddit posts into vertical video content is time-consuming: - You have to read, summarize, write
At a glance
Convert Reddit threads into short vertical videos with AI is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects OpenAI. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- OpenAI
- Modules
- 40
- Price
- Free
- Version
- v1.0

About this workflow
Convert Reddit threads into short vertical videos with AI Who is this for? This workflow is ideal for: - Content creators and video editors automating short-form content production - Reddit storytellers converting text posts into engaging TikTok, YouTube Shorts, or Reels - Social media managers repurposing community discussions into visual narratives What problem is this solving? Manually converting Reddit posts into vertical video content is time-consuming: - You have to read, summarize, write a script - Generate TTS - Find stock footage - Edit everything in a timeline This workflow automates the full pipeline. It converts any Reddit thread into a polished video with: - TTS narration - Subtitle overlays - B-roll from Pexels - Automatic rendering via Shotstack What this workflow does This workflow: 1. Extracts Reddit post and comments via Reddit API 2. Summarizes the thread into structured clips using OpenAI 3. Generates search queries for each clip for stock footage 4. Queries Pexels API for relevant vertical videos 5. Generates TTS audio for each clip using OpenAI Whisper 6. Creates subtitles matching the audio 7. Uploads footage/audio to Shotstack 8. Renders a full vertical video (720x1280) with synced TTS, subtitles, and b-roll 9. Returns a final video URL Setup - Create accounts and API keys for: - Reddit Developer App - OpenAI - Pexels - Shotstack - Add credentials in n8n: - Reddit (HTTP Basic Auth) - OpenAI (API Key) - Shotstack (HTTP Header Auth) - Pexels (HTTP Header Auth) - Trigger via webhook or manual node. The input must include: How to customize this workflow - Tweak OpenAI prompts to change tone or clip granularity - Change stock source by swapping Pexels for another API - Adjust TTS voices or languages by modifying the voice field - Modify video styling (fonts, colors, fit modes) in the timeline construction code node - Control duration by editing the character length formula in the Limit comments length node Additional Notes - All stock videos are selected to match clip themes using generalized keywords to avoid API misses - Includes wait nodes to ensure Shotstack's async upload/render processes complete before proceeding - Annotated with sticky notes explaining major sections like TTS, Reddit input, and media timeline - Avoids community nodes to ensure cloud compatibility Template Category AI, Marketing, Building Blocks, Other (Content Creation)
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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- JSON blueprint — instant download
- Setup guide PDF included
- 5 downloads · valid 30 days
- Works with n8n
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