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Seamlessly Convert Horizontal Videos to Vertical with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the era of mobile content consumption, converting horizontal videos to vertical format is essential. FFMPEGAPI.net offers an easy-to-use hosted REST API to help developers automate this process, making it ideal for AI agents, SaaS applications, and more.

Why Convert to Vertical?

With the surge in mobile video consumption, vertical videos are becoming increasingly important. They are more user-friendly on smartphones and platforms like Instagram Stories and TikTok.

Converting horizontal videos to a vertical orientation not only enhances user engagement but also improves content discoverability.

  • Increased viewer retention
  • Better compatibility with mobile platforms
  • Enhanced brand visibility with optional watermarks

FFMPEGAPI.net Overview

FFMPEGAPI.net is a hosted REST API that allows developers to leverage the power of FFmpeg without the need for server setup or maintenance.

With API-key authentication, it provides a secure and straightforward solution for developers looking to integrate video processing capabilities into their applications.

  • No server setup or FFmpeg management required
  • API-key authentication for seamless integration
  • Ideal for automation and content pipelines

How to Convert Videos to Vertical Format

To convert a horizontal video to a vertical format using FFMPEGAPI.net, you can make a POST request to the /api/convert_to_vertical endpoint. This API allows you to specify the video URL and optionally add a watermark.

  • Endpoint: POST /api/convert_to_vertical
  • Parameters: video_url (required), watermark_url (optional), async (optional)
  • Returns a job_id for tracking if async is enabled
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
}

response = requests.post(url, json=data)
print(response.json())
curl -X POST https://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": true}'

Converting horizontal videos to vertical format has never been easier thanks to FFMPEGAPI.net. With its powerful API, developers can streamline video processing workflows, enhance user engagement, and deliver high-quality content effortlessly. Whether you're building AI agents, automation tools, or content pipelines, FFMPEGAPI.net is your go-to solution for all video processing needs.

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