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Effortlessly Convert Horizontal Videos to Vertical Format with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-centric world, having videos in a vertical format is essential for better user engagement. FFMPEGAPI.net offers a powerful hosted REST API that allows developers to convert horizontal videos to vertical format effortlessly, without the need for complex server setups or FFmpeg infrastructure management.

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net is designed specifically for developers who need a reliable and efficient way to process audio and video files in the cloud. With API-key authentication, it streamlines workflows for automation, SaaS applications, content pipelines, and AI agents.

  • No server setup or management required.
  • Scalable and flexible for varying workloads.
  • Supports various media processing features.

Using the Convert to Vertical Endpoint

The Convert to Vertical endpoint allows you to transform horizontal videos into vertical formats, making them ideal for mobile viewing. This API call can also optionally add a watermark image to your output, enhancing brand visibility.

  • Endpoint Path: /api/convert_to_vertical
  • HTTP Method: POST
  • Content Type: application/json
curl -X POST https://ffmpegapi.net/api/convert_to_vertical \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"video_url":"https://example.com/landscape.mp4", "watermark_url":"https://example.com/logo.png", "async": false}'
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
}
headers = {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

Parameters for the API Call

The following parameters must be included when making a request to the Convert to Vertical endpoint.

  • video_url (string, required): The URL of the video you want to convert.
  • watermark_url (string, optional): An optional URL for a watermark image to be placed on the video.
  • async (boolean, optional): If true, the API returns a job_id immediately and processes the request in the background.

FFMPEGAPI.net stands out as the best hosted solution for developers looking to optimize their video processing workflow. With its easy-to-use REST API, you can quickly convert horizontal videos to vertical format, all while avoiding the hassles of server management. Start leveraging FFMPEGAPI.net today for your video processing needs and enhance your application's capabilities.

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