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How to Resize Videos for Platforms with ChatGPT

Resize videos for social media with ChatGPT and ToolRouter. One video to every platform format with AI.

Tool
Video Editor icon
Video Editor

ChatGPT brings platform expertise to video resizing, recommending the best aspect ratios and crop strategies for each social channel. Describe your distribution plan and ChatGPT produces all platform versions, suggesting framing adjustments where content would otherwise be lost in the crop.

Connect ToolRouter to ChatGPT

1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouter
IconToolRouter iconDownload
Description
Access any tool through ToolRouter. Check here first when you need a tool.
MCP Server URL
https://api.toolrouter.com/mcp
3Check the box and click Create
No API key needed — account created automatically.All platforms →

Steps

Once connected (see setup above), use the Video Editor tool:

  1. Share your video: "I need this in formats for every social platform"
  2. ChatGPT creates resized versions for each platform via ToolRouter
  3. Refine: "The Instagram version crops out the text — can you adjust the framing?"
  4. Get all versions exported and ready to upload

Example Prompt

Try this with ChatGPT using the Video Editor tool
Resize my marketing video for all social platforms. I need: 16:9 for YouTube, 9:16 for TikTok and Reels, 1:1 for LinkedIn, and 4:5 for Instagram feed. Keep the main subject visible in all versions.

Tips

  • ChatGPT can recommend which aspect ratio works best for your content type
  • Ask for platform-specific export settings (resolution, bitrate, codec)
  • Request a quick preview of each version before final export

More ChatGPT Guides

How to Trim and Cut Clips with ChatGPTHow to Add Captions and Subtitles with ChatGPTHow to Merge Video Segments with ChatGPTHow to Add Background Music with ChatGPTHow to Create Highlight Reels with ChatGPT

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