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How to Compress Videos Using the FFMPEGAPI.net REST API

June 2026 FFMPEG API Team

In today's digital world, efficiently managing video content is essential for developers and businesses alike. Whether you're building a SaaS application, automating tasks, or creating robust content pipelines, having the right tools is key. FFMPEGAPI.net offers a powerful hosted REST API for FFmpeg-powered video and audio processing, making it the ideal solution for developers looking to compress videos easily and effectively.

Why Use FFMPEGAPI.net for Video Compression?

FFMPEGAPI.net is optimized for video processing without the hassle of server setup or infrastructure management. With API-key authentication, developers can integrate video compression into their applications seamlessly.

The service provides a quality-first approach to video compression, ensuring that output is of high quality while managing file sizes effectively. This is particularly important in SaaS applications where upload limits and bandwidth considerations are critical.

  • No server setup required
  • API-key authentication for secure access
  • Supports various video formats
  • Handles large video files with background processing

Using the Compress Video Endpoint

The Compress Video endpoint at FFMPEGAPI.net allows you to compress a video to a smaller H.264/AAC MP4 file. The endpoint can be accessed via a POST request to `/api/compress_video`. Here's a summary of the main features:

The API automatically compresses videos using quality-first CRF settings, ensuring the best output quality. You can also specify optional parameters such as max dimensions to prevent upscaling and a target size to meet upload limits.

  • Endpoint: POST /api/compress_video
  • Supports compression of videos up to 500 MB
  • Uses CRF settings for optimal quality
  • Asynchronous processing for large files

Required and Optional Parameters

When making a request to the Compress Video endpoint, you must include the required `video_url` parameter. Other parameters can be specified to customize the compression process:

Here are the parameters you can use:

  • video_url (required): URL of the video to compress.
  • crf (optional): Quality value from 18 to 35, default is 28.
  • preset (optional): H.264 encoding preset, default is 'medium'.
  • max_width (optional): Maximum output width, not upscaled.
  • max_height (optional): Maximum output height, not upscaled.
  • audio_bitrate (optional): AAC audio bitrate, default is '128k'.
  • target_size_mb (optional): Target output size in MiB.
  • async (optional): Process in the background for large files.

Example: Compressing a Video with cURL

Here's how to make a request to the Compress Video endpoint using cURL. This example compresses a video using the default parameters with asynchronous processing:

curl -X POST https://ffmpegapi.net/api/compress_video \ 
     -H 'Content-Type: application/json' \ 
     -d '{ "video_url": "https://example.com/video.mp4", "async": true }'

Example: Compressing a Video with Python

For Python developers, you can utilize the requests module to interact with the API. Here's an example of how to compress a video using Python:

import requests

url = 'https://ffmpegapi.net/api/compress_video'
data = {
    'video_url': 'https://example.com/video.mp4',
    'async': True
}

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

FFMPEGAPI.net provides a robust, hosted solution for video compression, catering to developers and businesses looking for efficient audio and video processing. With its straightforward API, you can easily integrate video compression into your applications, ensuring high-quality outputs under various constraints. Start leveraging FFMPEGAPI.net today for all your video processing needs.

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