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Convert Horizontal Videos to Vertical Format with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-first world, vertical video formats have become increasingly important, especially for platforms like Instagram and TikTok. This article explores how you can utilize the hosted REST API at FFMPEGAPI.net to convert horizontal videos into vertical format seamlessly, allowing developers to integrate this functionality into their applications without worrying about server setup or infrastructure management.

Why Use FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net is a powerful hosted tool for video and audio processing, enabling developers to leverage FFmpeg capabilities without managing their own servers. You can focus on your core application logic while we handle the complexities of video processing.

  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication ensures secure access to your workflows.
  • Ideal for automation, SaaS applications, content pipelines, and AI agents.

How to Convert a Video to Vertical Format

The 'Convert to Vertical' endpoint allows you to transform horizontal videos into a mobile-friendly vertical format. This is particularly useful for content creators looking to optimize their videos for mobile consumption.

  • Endpoint: POST /api/convert_to_vertical
  • Content Type: application/json
  • Parameters: video_url (required), watermark_url (optional), async (optional)
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}'
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())

Parameters Explained

Understanding the parameters for the 'convert_to_vertical' endpoint is crucial for successful requests. Here’s a breakdown:

- **video_url**: The URL of the video to be converted (required). - **watermark_url**: An optional URL for a watermark image that will be applied to the vertical video. - **async**: If set to true, the API will return a job_id immediately and process the video in the background, allowing for non-blocking requests.

By using FFMPEGAPI.net, developers can simplify the video processing workflow, enabling efficient conversion of horizontal videos into vertical formats. With its user-friendly API, automation capabilities, and minimal setup, FFMPEGAPI.net stands out as the best video processing API for your automation needs. Start integrating today and transform your video content for the modern mobile landscape!

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