Open Video WatermarkInvisible video watermarking using frequency-domain DCT.

Embed imperceptible, compression-resilient watermarks into video files. Features a responsive web UI, REST API, and real-time WebSocket progress updates.

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Installation & Docker

REST API Reference

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Invisible DCT Watermarking

Embeds data into mid-frequency Discrete Cosine Transform coefficients, imperceptible to viewers but resilient to re-encoding.

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Real-Time WebSockets

Live frame-by-frame progress pushed straight to the browser UI via Flask-SocketIO without polling.

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Non-Blocking Background Queue

Dedicated worker threads handle intensive video transcoding while keeping the HTTP server responsive.

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REST API & Web UI

Full single-page web interface with drag-and-drop file upload plus automated REST endpoints for programmatic pipelines.

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Enterprise Security

Strict CSP headers, rate-limiting middleware, magic-number MIME validation, and OpenCV integrity verification.

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Docker & Nginx Production

Pre-configured multi-container stack with Nginx reverse proxy, static caching, and environment configuration.