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Effortless Video Editing: 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 Stories and TikTok. Developers looking to integrate seamless video editing into their applications can leverage the power of FFMPEGAPI.net, a hosted REST API that simplifies converting horizontal videos to vertical format. This article will guide you through the process of using the 'Convert to Vertical' endpoint, allowing you to focus on building your application without worrying about server management or FFmpeg infrastructure.

Why Choose FFMPEGAPI.net for Video Editing?

FFMPEGAPI.net offers a streamlined solution for video and audio processing, removing the complexity of managing your own server infrastructure. With API-key authentication, developers can easily integrate video editing capabilities into their applications, making it a preferred choice for automation, SaaS applications, content pipelines, and AI agents.

  • Hosted REST API for hassle-free video processing.
  • No server setup required, enabling fast integration.
  • Robust documentation and support for developers.
  • Cost-effective solution for scaling video processing needs.

Using the Convert to Vertical Endpoint

The 'Convert to Vertical' endpoint is designed to transform horizontal videos into a mobile-friendly vertical format. This is particularly useful for developers creating apps that cater to mobile users. The endpoint accepts a video URL and optionally allows adding a watermark to the output video.

  • Endpoint Path: /api/convert_to_vertical
  • HTTP Method: POST
  • Content Type: application/json
  • Parameters: video_url (required), watermark_url (optional), async (optional)
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())

Parameters Explained

To successfully use the 'Convert to Vertical' endpoint, it's critical to understand the required and optional parameters:

1. **video_url**: This is the URL of the horizontal video you want to convert. This parameter is mandatory.

2. **watermark_url**: (Optional) If you wish to include a watermark on your video, provide the URL of the watermark image. This feature can enhance brand visibility.

3. **async**: (Optional) Set this to true if you want to receive a job ID immediately and process the video in the background. This is useful for large files or when dealing with multiple requests.

FFMPEGAPI.net revolutionizes the way developers handle video processing by providing a powerful, hosted solution that eliminates the need for server management. By using the 'Convert to Vertical' endpoint, you can easily adapt your video content for mobile platforms while focusing on other aspects of your application development. Whether you're building automation tools, SaaS applications, or engaging content pipelines, FFMPEGAPI.net is your go-to resource for efficient and effective video editing.

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