Back to Blog

Effortless Video Conversion to Vertical Format with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-first world, vertical videos have become a standard for content creators. Whether you're developing a social media application or working on a content pipeline, converting horizontal videos to vertical format can enhance user engagement. FFMPEGAPI.net offers a seamless solution with its hosted REST API, allowing you to handle video transformations without the hassle of server management.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API designed for video and audio processing powered by FFmpeg. It eliminates the need for developers to manage server infrastructure, providing a straightforward API-key authentication method for secure and efficient workflows.

With FFMPEGAPI.net, you can focus on your application development while the API takes care of video encoding, format conversions, and other media processing tasks.

  • No server setup required
  • Ideal for automation and SaaS applications
  • Supports a wide range of media processing tasks

Convert to Vertical: API Endpoint Overview

One of the most essential operations you might need is converting horizontal videos to a vertical format. The '/api/convert_to_vertical' endpoint allows you to achieve this with ease. Not only does it convert the video, but it also supports adding a watermark if desired.

  • Method: POST
  • Path: /api/convert_to_vertical
  • Input: Video URL and optional watermark URL
  • Output: Processed vertical video format
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())

Parameters for the Convert to Vertical Endpoint

The '/api/convert_to_vertical' endpoint accepts several parameters that you need to provide with your POST request. Here’s a breakdown of the required and optional fields:

  • video_url (string, required): The URL of the video to be converted.
  • watermark_url (string, optional): URL for an optional watermark image.
  • async (boolean, optional): If true, the API will return a job ID immediately and process in the background.

Practical Use Cases for Developers

Integrating the vertical video conversion feature into your application can significantly enhance its functionality. Here are some common use cases for developers:

1. **Social Media App Development**: Automatically convert user-uploaded landscape videos to vertical format for optimal viewing on mobile devices.

2. **Content Management Systems (CMS)**: Streamline the process of preparing video content for different platforms by implementing automated video transformations.

3. **AI Video Processing**: Use the API to preprocess videos for AI analysis, ensuring the format is suitable for machine learning models.

FFMPEGAPI.net stands out as the premier hosted tool for developers needing efficient video processing capabilities. With its simple API, you can easily convert horizontal videos to vertical format, add watermarks, and automate processes without the burden of server management. Start leveraging the power of FFMPEGAPI.net today to enhance your video editing workflows and improve user engagement!

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free