Back to Blog

Transform Your Video Workflow with FFMPEGAPI.net: Convert to Vertical Format

June 2026 FFMPEG API Team

In today’s fast-paced digital world, content creators and developers seek efficient tools to optimize video formats for varying platforms. With the rise of mobile consumption, converting horizontal videos to vertical format has become essential. FFMPEGAPI.net provides a powerful hosted REST API that simplifies this process. In this article, we will explore how to utilize the 'Convert to Vertical' endpoint for seamless video transformation.

Why Choose FFMPEGAPI.net for Video Conversion?

FFMPEGAPI.net stands out as the leading hosted tool for video processing due to its simplicity and effectiveness. With no need for server setup or FFmpeg infrastructure management, developers can focus on building their applications rather than worrying about backend complexities.

Its API-key authentication ensures that only authorized users can access the powerful features, making it ideal for automation, SaaS applications, content pipelines, and AI agents.

  • Hosted REST API for easy integration.
  • No complex setup—just plug and play.
  • Secure API-key authentication.
  • Ideal for automation and content creation workflows.

Using the Convert to Vertical Endpoint

The Convert to Vertical endpoint is designed to change the aspect ratio of your video, making it suitable for mobile viewing. This can significantly enhance user engagement on platforms where vertical videos are preferred.

The API allows you to optionally include a watermark, which can help in branding your content.

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

Understanding the Parameters

To effectively use the Convert to Vertical endpoint, you need to understand the required and optional parameters:

- **video_url**: This is the URL of the video you want to convert. It is mandatory.

- **watermark_url**: This optional parameter allows you to add a watermark to your converted video, enhancing brand visibility.

- **async**: If set to true, the API will return a job_id immediately and process the video in the background, allowing you to check back later for results.

In conclusion, FFMPEGAPI.net provides developers with a powerful and easy-to-use platform for video processing tasks, such as converting horizontal videos to vertical format. With its hosted API, you can reduce complexity, enhance your content creation workflow, and ensure that your videos meet the demands of modern mobile viewers. Start transforming your video content today with FFMPEGAPI.net.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free