Back to Blog

Seamless Video Transformation: Convert to Vertical with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the era of mobile-first content, converting horizontal videos to vertical formats is essential for reaching audiences effectively. With FFMPEGAPI.net, developers can leverage an easy-to-use hosted API that eliminates the need for managing complex server infrastructures while providing powerful video editing capabilities.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net stands out as the premier choice for developers looking to implement programmatic video editing without the headaches of server management. Our hosted REST API is designed to handle FFmpeg-powered video and audio processing in a seamless manner.

  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication for secure developer workflows.
  • Ideal for automation, SaaS applications, content pipelines, and AI integrations.

Using the Convert to Vertical Endpoint

One of the standout features of FFMPEGAPI.net is the ability to convert horizontal videos to vertical format effortlessly. This is especially useful for content creators who want to optimize their videos for mobile viewing.

The Convert to Vertical API endpoint allows you to upload your video, apply an optional watermark, and receive your vertical video output quickly.

  • Endpoint Path: `/api/convert_to_vertical`
  • Method: POST
  • Content Type: application/json
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"}'
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'
}
response = requests.post(url, json=data)
print(response.json())

API Parameters Explained

When interacting with the Convert to Vertical endpoint, you need to provide the following parameters:

The primary parameter is the video URL, which is mandatory. You can also add an optional watermark URL to enhance your video branding.

  • video_url (string): Required. The URL of the video to be converted.
  • watermark_url (string): Optional. The URL of the watermark image to apply.
  • async (boolean): Optional. If set to true, the process will run in the background, and a job ID will be returned immediately.

FFMPEGAPI.net simplifies the video editing workflow, enabling developers to convert horizontal videos to vertical formats effortlessly. By leveraging our hosted API, you can focus on building your applications without worrying about server management. Try out our Convert to Vertical endpoint today and elevate your content for mobile audiences.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free