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How to Convert Horizontal Videos to Vertical Format with FFMPEGAPI.net

June 2026 FFMPEG API Team

In a world where mobile video consumption is on the rise, converting horizontal videos to vertical format is essential for engaging your audience. FFMPEGAPI.net offers a seamless and efficient way to achieve this through its hosted REST API, allowing developers to integrate powerful video processing capabilities without the hassle of server setup or FFmpeg management.

Why Use FFMPEGAPI.net for Video Conversion?

FFMPEGAPI.net stands out as a premier solution for video conversion because it takes the complexity out of managing FFmpeg infrastructure. With API-key authentication, you can easily integrate video processing into your applications.

The Convert to Vertical endpoint allows you to transform horizontal videos into a mobile-friendly format, perfect for social media and mobile applications.

  • No server setup required.
  • Supports asynchronous processing.
  • Easy integration with existing workflows.

How to Use the Convert to Vertical Endpoint

The Convert to Vertical endpoint is a simple yet powerful tool for developers looking to adapt their video content. Here's how to use it effectively.

  • Endpoint: POST /api/convert_to_vertical
  • Content type: application/json
  • Parameters: video_url, optional watermark_url, optional async flag
import requests

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

response = requests.post(url, json=data)
print(response.json())
curl -X POST https://www.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": true }'

Handling the Response

When you make a request to the Convert to Vertical endpoint, you will receive a JSON response containing the status of your job. If you opted for asynchronous processing, the response will include a job_id that you can use to check the status of the conversion.

  • Check for success status.
  • Use job_id for polling if async is true.
  • Retrieve the converted video once processing is complete.

FFMPEGAPI.net provides an unparalleled hosted solution for developers looking to convert videos programmatically. By utilizing the Convert to Vertical endpoint, you can effortlessly adapt your video content for mobile platforms, ensuring maximum engagement from your audience. Start integrating FFMPEGAPI.net into your projects today and experience the difference in video processing efficiency.

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