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Convert Horizontal Videos to Vertical with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today’s mobile-first world, creating vertical videos is essential for engaging content. Whether you're developing an app, automation tool, or content pipeline, converting horizontal videos to vertical format has never been easier. FFMPEGAPI.net offers a reliable and efficient hosted REST API for this purpose, allowing developers to focus on building their applications without the hassle of managing FFmpeg infrastructure.

Why Use FFMPEGAPI.net for Video Conversion?

With FFMPEGAPI.net, you gain access to a powerful FFmpeg-powered video processing API that simplifies your workflow. By utilizing our API, you avoid the complexities of server setup and FFmpeg management, allowing you to concentrate on your core development tasks.

  • No server setup or management required
  • API-key authentication for secure access
  • Ideal for automation, SaaS applications, and content pipelines

How to Convert Horizontal Videos to Vertical Format

To convert a horizontal video to vertical format, utilize the `Convert to Vertical` endpoint offered by FFMPEGAPI.net. This endpoint not only converts your videos but also allows you to add a watermark for branding purposes.

  • Endpoint: /api/convert_to_vertical
  • Method: POST
  • Content-Type: application/json
  • Parameters: video_url (required), watermark_url (optional), async (optional)
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"}'
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'
}

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

Understanding the Parameters

When using the `Convert to Vertical` endpoint, you'll need to understand the required parameters to ensure a successful conversion.

  • video_url: The URL of the video you want to convert (required).
  • watermark_url: An optional URL for a watermark image that can be applied to the video.
  • async: If set to true, you'll receive a job ID immediately for background processing.

FFMPEGAPI.net is the best hosted tool for converting horizontal videos to vertical format, making it a perfect solution for developers looking for an efficient API for video processing. With no server setup required and robust features like watermarking, you can enhance your applications and improve engagement with mobile-friendly video content. Start using FFMPEGAPI.net today and streamline your video processing workflows.

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