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Seamlessly Convert Horizontal Videos to Vertical with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-first world, vertical videos have become essential for engaging audiences on platforms like Instagram and TikTok. If you're a developer looking to streamline your video processing workflow, FFMPEGAPI.net provides a robust, hosted REST API that makes converting horizontal videos to vertical format a breeze. Let's dive into how you can use the '/api/convert_to_vertical' endpoint to transform your video content effectively.

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net is the ideal solution for developers who need a powerful cloud-based alternative to traditional FFmpeg setups. With no server management or FFmpeg infrastructure needed, you can focus on building your applications without the complexities of video processing.

Our API-key authentication ensures secure access, making it perfect for automation, SaaS applications, content pipelines, and AI agents.

  • Hosted REST API for easy integration.
  • No need for server setup or management.
  • Supports API-key authentication for secure access.

The Convert to Vertical Endpoint Explained

The '/api/convert_to_vertical' endpoint allows you to convert a horizontal video into a vertical format, making it ideal for mobile viewing. This feature is crucial for developers looking to optimize their content for modern platforms.

In addition to the conversion, you can also add an optional watermark to your video, enhancing branding opportunities.

Here's how to use the 'Convert to Vertical' endpoint:

  • Method: POST
  • Content Type: application/json
  • Parameters: video_url (required), watermark_url (optional), async (optional)
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":false}'
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': False
}

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

In conclusion, FFMPEGAPI.net provides an efficient and effortless way to convert horizontal videos to vertical format through its hosted REST API. By leveraging the '/api/convert_to_vertical' endpoint, developers can enhance their content for mobile platforms while simplifying their workflow. Start using FFMPEGAPI.net today and revolutionize your video processing capabilities.

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