Video Tools
Video Watermark
Add image or text watermarks to video with position and opacity controls.
Your files stay on your device - processed locally via WebAssembly, never uploaded
Drop a video file or click to upload
MP4, WebM, MOV, AVI, MKV
Your videos are processed locally in your browser. Nothing is uploaded to any server.
Embed this tool on your website
Copy this code to add the Video Watermark to your site for free. It runs entirely in your visitors' browsers - no API key, no usage limits.
<iframe src="https://optipix.art/embed/video-watermark" width="100%" height="600" style="border:1px solid #e4e4e7;border-radius:8px;" title="Video Watermark by OptiPix" loading="lazy"></iframe> <p style="font-size:12px">Free tool by <a href="https://optipix.art/video-watermark">OptiPix Video Watermark</a></p>
❤️ Love this tool? Support our team.
No ads, no tracking, no limits. Tips keep 104 tools free for everyone.
Secure payment via Stripe · No account needed
About Video Watermark
Last updated: May 2026
OptiPix Video Watermark 可为您的视频添加图像徽标或文本叠加。上传带有透明度的 PNG 水印，或键入自定义文本。控制位置（9点网格）、不透明度（10-100%）和大小。使用 FFmpeg.wasm overlay 滤镜处理图像，使用 drawtext 滤镜处理文本水印。
How It Works
FFmpeg.wasm overlay 滤镜用于图像水印，drawtext 滤镜用于文本。位置根据视频尺寸计算。
Use Cases
- •为视频添加品牌徽标
- •添加版权水印
- •在录制内容上叠加文本
- •添加社交媒体账号
- •保护原创内容
You Might Also Like
If you find Video Watermark useful, check out these related tools: Video Trimmer, Watermark Maker, and Add Subtitles to Video. All tools run entirely in your browser with no uploads or signups required.
Explore more: Browse all tools · Step-by-step guides · Tips & tutorials · Compare tools