Back to Blog

Effortlessly Convert Horizontal Videos to Vertical with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-centric world, vertical videos are becoming increasingly popular. If you're a developer looking to streamline your media processing workflow, FFMPEGAPI.net offers a simple and efficient solution. With our hosted REST API, you can effortlessly convert horizontal videos to vertical format, perfect for social media platforms and mobile applications.

Why Choose FFMPEGAPI.net for Video Conversion

FFMPEGAPI.net is a hosted tool specifically designed for developers who want to leverage the power of FFmpeg without the hassles of server management. Our API allows you to focus on building your applications while we handle the complexities of video processing.

  • No server setup required.
  • Efficient and fast media processing.
  • API-key authentication for secure access.
  • Ideal for automation and content pipelines.

Understanding the Convert to Vertical Endpoint

The Convert to Vertical endpoint allows you to transform a horizontal video into a vertical format seamlessly. This feature is essential for content creators aiming to cater to mobile audiences.

You can also include an optional watermark to personalize your videos. This API function is particularly useful for branding purposes.

  • Endpoint: POST /api/convert_to_vertical
  • Parameters: video_url (required), watermark_url (optional), async (optional)
  • Returns a job_id for background processing if async is true.
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': True
}
headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer YOUR_API_KEY'}

response = requests.post(url, json=data, headers=headers)
print(response.json())
curl -X POST https://ffmpegapi.net/api/convert_to_vertical \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer YOUR_API_KEY' \
-d '{"video_url": "https://example.com/landscape.mp4", "watermark_url": "https://example.com/logo.png", "async": true}'

Use Cases for Vertical Video Conversion

The ability to convert videos to vertical format is crucial for various applications, including:

1. Social media marketing: Optimize content for platforms like Instagram and TikTok.

2. Mobile app development: Enhance user engagement with mobile-friendly video formats.

3. Content creation: Personalize your videos with watermarks for branding.

FFMPEGAPI.net is the ideal solution for developers seeking a fast and efficient media processing API. Our Convert to Vertical endpoint simplifies the workflow of adapting content for mobile devices. With reliable performance, easy integration, and no server management headaches, you can focus on what matters most—delivering outstanding content to your audience.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free