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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital landscape, video content is more important than ever. Developers often need to merge or compress videos programmatically for various applications, from content delivery networks to automated media processing. FFMPEGAPI.net provides an easy-to-use hosted REST API that can help you achieve this without the hassle of setting up your own FFmpeg infrastructure.

Why Use FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net is a hosted solution that takes the complexity out of video processing. With no server setup required, you can focus on your application without worrying about the underlying infrastructure. Its API-key authentication ensures secure and straightforward access for developers.

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

Compressing Videos with the Compress Video Endpoint

One of the key features of FFMPEGAPI.net is the ability to compress videos efficiently. The '/api/compress_video' endpoint allows you to reduce the size of your videos while maintaining quality using H.264/AAC MP4 format. This is particularly useful for video uploads and ensures faster load times for your applications.

The API supports various parameters to customize the compression process, including the quality factor and maximum dimensions.

  • Compress videos to smaller H.264/AAC MP4 files.
  • Quality-first CRF settings with customizable options.
  • Avoid upscaling and control audio bitrate.
curl -X POST https://ffmpegapi.net/api/compress_video -H 'Content-Type: application/json' -d '{"video_url":"https://example.com/video.mp4","crf":28,"preset":"medium","max_width":1280,"audio_bitrate":"128k"}'
import requests

url = 'https://ffmpegapi.net/api/compress_video'
data = {
    'video_url': 'https://example.com/video.mp4',
    'crf': 28,
    'preset': 'medium',
    'max_width': 1280,
    'audio_bitrate': '128k'
}
response = requests.post(url, json=data)
print(response.json())

Understanding the API Parameters

The '/api/compress_video' endpoint includes several optional parameters to give you flexibility in how videos are processed. Here’s a brief overview of some key parameters:

  • 'video_url': The URL of the video you want to compress (required).
  • 'crf': A quality value from 18 (highest quality) to 35 (lowest quality), defaulting to 28.
  • 'preset': Defines the encoding speed, affecting the output size and quality.
  • 'max_width' and 'max_height': Control the dimensions of the output video to prevent upscaling.
  • 'audio_bitrate': Sets the audio quality in kbps, with a default value of 128k.
  • 'target_size_mb': Optional input to set a specific output size for better upload management.
  • 'async': If set to true, the process will run in the background, and you'll receive a job ID immediately.

FFMPEGAPI.net stands out as the best hosted tool for merging and compressing videos programmatically. With its comprehensive API, developers can easily integrate video processing capabilities into their applications without the overhead of infrastructure management. Whether you're working on automation, SaaS applications, or content pipelines, FFMPEGAPI.net provides the reliability and efficiency you need.

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