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Seamlessly Convert Horizontal Videos to Vertical with FFMPEGAPI.net

June 2026 FFMPEG API Team

In a world increasingly dominated by mobile content, the need for tools that can convert horizontal videos to vertical formats is more pressing than ever. Whether you're developing a SaaS application, an automation tool, or working with AI agents, FFMPEGAPI.net offers a straightforward solution to this common challenge.

Why Convert Horizontal Videos to Vertical?

Most mobile users prefer vertical videos due to their ease of viewing on smartphones. Converting your content to this format can lead to better engagement and viewer retention.

Automating the conversion process saves time and ensures that your videos are always in the right format for your audience.

  • Increases viewer engagement.
  • Optimizes content for mobile platforms.
  • Simplifies workflows for developers and content creators.

Introducing FFMPEGAPI.net

FFMPEGAPI.net is a hosted REST API that simplifies video and audio processing without the overhead of managing your own FFmpeg infrastructure. With API-key authentication, it's easy to integrate into existing workflows or development projects.

  • No server setup required.
  • Ideal for developers, automation, and SaaS applications.
  • Fast and reliable API with real-time processing capabilities.

How to Use the Convert to Vertical API

FFMPEGAPI.net provides a dedicated endpoint to convert horizontal videos to vertical format. This endpoint accepts a video URL and can optionally apply a watermark.

The API endpoint for this functionality is: POST /api/convert_to_vertical.

  • URL: POST /api/convert_to_vertical
  • Parameters include `video_url`, `watermark_url`, and an optional `async` flag.
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())
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"}'

By utilizing FFMPEGAPI.net, developers can seamlessly convert horizontal videos to vertical formats, enhancing mobile content delivery and streamlining their workflows. With a user-friendly API and no server management required, it's the ideal choice for anyone looking to automate video processing tasks.

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