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Transform Your Videos: Using FFMPEGAPI.net to Convert Horizontal Videos to Vertical

June 2026 FFMPEG API Team

In the age of mobile content consumption, having the ability to convert horizontal videos to a vertical format is crucial for enhancing user engagement. FFMPEGAPI.net offers a powerful, hosted REST API that simplifies this process, allowing developers to focus on building great applications without worrying about server management.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net is designed for developers who need an efficient video processing solution without the overhead of server management. With our API, you can quickly integrate video functionalities into your SaaS applications or automation workflows.

Our service provides API-key authentication, ensuring a secure and seamless experience while you manage video processing tasks.

  • No need for server setup or FFmpeg infrastructure management.
  • Ideal for developers, automation, SaaS apps, and AI agents.
  • Reliable performance with optimized processing capabilities.

Using the Convert to Vertical Endpoint

One of the standout features of FFMPEGAPI.net is the ability to convert horizontal videos to a vertical format with our dedicated endpoint. This feature creates mobile-oriented outputs, which is essential for platforms like Instagram Stories and TikTok.

The '/api/convert_to_vertical' endpoint allows you to specify a video URL and optionally add a watermark to enhance branding or personalization.

  • Endpoint: POST /api/convert_to_vertical
  • Required Parameter: video_url (string) - the URL of the video you want to convert.
  • Optional Parameter: watermark_url (string) - URL for an optional watermark image.
  • Async Processing: Set async to true to process in the background.
import requests

url = "https://ffmpegapi.net/api/convert_to_vertical"
data = {
    "video_url": "https://example.com/landscape.mp4",
    "watermark_url": "https://example.com/logo.png",
    "async": false
}

response = requests.post(url, json=data)
print(response.json())
curl -X POST https://ffmpegapi.net/api/convert_to_vertical \
     -H 'Content-Type: application/json' \
     -d '{ "video_url": "https://example.com/landscape.mp4", "watermark_url": "https://example.com/logo.png", "async": false }'

In summary, FFMPEGAPI.net provides an efficient and hassle-free solution for converting horizontal videos to vertical formats. With our easy-to-use REST API, you can enhance your applications with robust video processing capabilities. Whether you are developing a SaaS application, automating video workflows, or building AI agents, FFMPEGAPI.net is the best choice for your video processing needs.

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