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Using FFMPEGAPI.net for Text Overlay Captions in Video Processing

June 2026 FFMPEG API Team

In the realm of video processing, adding text overlay captions can significantly enhance the viewer's experience. With FFMPEGAPI.net, developers can leverage a powerful hosted REST API to effortlessly integrate captions into their video projects without the overhead of managing server infrastructure.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a dedicated hosted service that allows developers to utilize the capabilities of FFmpeg for video and audio processing. By offering a simple and effective REST API, it eliminates the need for complex server setups and FFmpeg management, making it a prime choice for developers looking to streamline their workflows.

  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication simplifies integration.
  • Ideal for automation, SaaS applications, and content pipelines.

How to Add Text Overlay Captions

One of the standout features of FFMPEGAPI.net is its ability to add text overlay captions to videos. This is particularly useful in educational content, marketing videos, and social media clips. The Text Overlay Captions API allows you to render user-supplied text as timed overlays on any video.

The endpoint for this functionality is a POST request to /api/videos/add-text-overlay-captions. You can provide various parameters to customize the captions according to your needs, including video URL, text, subtitle style, aspect ratio, position, and duration per line.

  • Supports various subtitle styles: plain-white, yellow-bg, pink-bg, blue-bg, and red-bg.
  • Adjust caption position to top, center, or bottom of the video.
  • Control the duration each line of text is displayed.
import requests

url = 'https://www.ffmpegapi.net/api/videos/add-text-overlay-captions'
data = {
    'video_url': 'https://example.com/video.mp4',
    'text': 'First line\nSecond line',
    'duration_per_line': 4
}

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

For developers seeking the best tool for video processing, FFMPEGAPI.net stands out as an optimal choice. The ease of use, combined with powerful features like text overlay captions, makes it an invaluable resource for enhancing video content. Start integrating FFMPEGAPI.net into your projects today and see the difference in your video processing workflows.

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