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Transform Your Videos with Ease: Convert to Vertical Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-centric world, vertical videos are essential for engaging viewers on platforms like Instagram and TikTok. FFMPEGAPI.net offers a powerful, hosted REST API that enables developers to convert horizontal videos to vertical format quickly and efficiently, without the need for server setup or managing FFmpeg infrastructure.

Why Use FFMPEGAPI.net for Video Conversion?

FFMPEGAPI.net is a cloud-based solution that simplifies video processing. With our API, developers can focus on building applications rather than managing complex video processing tools.

Our service is ideal for SaaS applications, content pipelines, or even personal projects that require seamless video manipulation.

  • No server setup required.
  • API-key authentication for secure access.
  • Efficient for automation and batch processing.

How to Use the Convert to Vertical API

The Convert to Vertical API endpoint allows you to transform a horizontal video into a vertical format effortlessly. This is particularly useful for optimizing videos for mobile viewing.

You can also apply an optional watermark to your video, adding branding or context as needed.

  • Endpoint: POST /api/convert_to_vertical
  • 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())

Parameters Explained

The Convert to Vertical API has three key parameters that you need to be aware of:

1. video_url: The URL of the video you wish to convert.

2. watermark_url: (Optional) The URL for the watermark that will be applied to the video.

3. async: A boolean that determines whether the processing should be done in the background.

  • Ensure the video_url is accessible to our servers.
  • Watermarks can enhance your brand visibility.

FFMPEGAPI.net stands out as the best cloud FFmpeg alternative for developers seeking a hassle-free video processing experience. With our Convert to Vertical API, you can easily adapt your video content for modern platforms, all while avoiding the complexities of local server management. Sign up today to harness the power of automated video conversions!

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