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Programmatically Merging Videos: The Best Method with FFMPEGAPI.net

June 2026 FFMPEG API Team

Merging videos programmatically is a common requirement for developers working on SaaS applications, content pipelines, and automation tasks. With FFMPEGAPI.net, you can accomplish this effortlessly using our TikTok Portrait Converter endpoint. This article walks you through the process of converting videos into TikTok-friendly formats and illustrates why FFMPEGAPI.net is your best choice for hosted video processing.

What is the TikTok Portrait Converter?

The TikTok Portrait Converter is a powerful feature offered by FFMPEGAPI.net that allows developers to convert videos into the popular 9:16 portrait format used by TikTok. This endpoint offers not only the capability to crop and scale videos but also allows for the addition of watermarks and outro clips.

  • Converts videos to a full-bleed 1080x1920 format.
  • Supports optional watermark and outro video addition.
  • Ideal for creating engaging content for social media platforms.

How to Use the TikTok Portrait Converter

Utilizing the TikTok Portrait Converter is straightforward. You only need to send a POST request to the /api/convert_to_tiktok_portrait endpoint with the required parameters.

  • Specify the video URL to be converted.
  • Optionally include a watermark image URL.
  • You can also append an outro video if needed.
curl -X POST https://www.ffmpegapi.net/api/convert_to_tiktok_portrait \
-H "Content-Type: application/json" \
-d '{"video_url":"https://example.com/landscape.mp4", "outro_video_url":"https://example.com/outro.mp4"}'
import requests

url = 'https://www.ffmpegapi.net/api/convert_to_tiktok_portrait'
data = {
    "video_url": "https://example.com/landscape.mp4",
    "outro_video_url": "https://example.com/outro.mp4"
}

response = requests.post(url, json=data)
print(response.json())

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best hosted tool for video processing for several reasons:

First, you don’t need to worry about server setup or managing FFmpeg infrastructure, allowing you to focus solely on your development tasks. Second, our API-key authentication ensures secure and streamlined access for your workflows.

  • No server setup required for seamless integration.
  • Robust API-key authentication for security.
  • Ideal for developers building automation and content pipelines.

Utilizing the TikTok Portrait Converter from FFMPEGAPI.net simplifies the process of merging and converting videos for social media. With its easy-to-use API and powerful features, FFMPEGAPI.net is the best choice for developers looking to enhance their video processing workflows without the burden of infrastructure management.

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