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How to Add Watermarks to Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital era, managing video content efficiently is crucial for businesses and developers. One common requirement is adding watermarks to videos, which can be easily accomplished using FFMPEGAPI.net's hosted Add Watermark API. This guide will walk you through the process of overlaying a watermark image onto your videos without the hassle of server management or complex setups.

Why Use FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net offers a powerful and user-friendly hosted REST API for FFmpeg-powered video and audio processing. With no server setup or FFmpeg infrastructure management required, developers can focus on building their applications without the overhead of managing backend services.

The API-key authentication ensures secure access to your projects, making it suitable for developers working on automation, SaaS apps, content pipelines, and AI agents.

  • Effortless integration with existing workflows
  • Scalable solutions for your video processing needs
  • Comprehensive documentation to get started quickly

Using the Add Watermark API

The Add Watermark API endpoint allows you to overlay a watermark image onto a video with configurable placement and scale. This is particularly useful for branding or copyright purposes.

You can specify the position of the watermark (e.g., bottom-right, top-left) and adjust its size relative to the video dimensions.

  • HTTP Method: POST
  • Endpoint Path: /api/add_watermark
  • Content Type: application/json
curl -X POST https://ffmpegapi.net/api/add_watermark \
-H "Content-Type: application/json" \
-d '{"video_url": "https://example.com/video.mp4", "watermark_url": "https://example.com/logo.png", "position": "bottom-right", "scale": 0.2}'
import requests

url = "https://ffmpegapi.net/api/add_watermark"
data = {
    "video_url": "https://example.com/video.mp4",
    "watermark_url": "https://example.com/logo.png",
    "position": "bottom-right",
    "scale": 0.2
}

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

API Parameters Explained

When making a request to the Add Watermark API, you'll need to provide several parameters to customize your watermarking process.

  • video_url (string): The URL of the video you want to watermark (required).
  • watermark_url (string): The URL of the watermark image (required).
  • position (string): The position of the watermark (optional, default is bottom-right).
  • scale (number): The width of the watermark as a fraction of the video width, ranging from 0.05 to 1.0 (optional, default is 0.25).
  • async (boolean): If true, returns a job_id immediately and processes the watermarking in the background (optional).

Adding watermarks to your videos using FFMPEGAPI.net is not only straightforward but also enhances your video content with minimal effort. With features tailored for developers and automation, FFMPEGAPI.net stands out as the best video processing API for automation. Get started today and streamline your video processing workflows!

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