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OneFileConverter
Video

Add a watermark to a video

Brand your clips before you share them: a clean outlined text mark on every frame.

Formats
MP4, MOV, WEBM +2
Max size
4 GB
Price
Free

Drop files here

or browse your device

MP4, MOV, WEBM, MKV, TS · up to 4.00 GB per file

Related tools

Compress VideoShrink MP4, MOV and WebM videos — or hit a target size in MB.Watermark ImageStamp your name or © text on photos.Burn In SubtitlesPut SRT or VTT captions permanently into the picture.

How to add a watermark to a video

  1. Add your videos — up to 10.
  2. Type your watermark and pick its position, size and opacity.
  3. Click Watermark and download.
Is my video safe?

Yes. Your video is only used to create your result — it’s never shared and never used to train AI.

Which browsers work?

Recent Chrome, Edge and Safari 17+ work best. Firefox supports most tools; if a codec isn't available we'll tell you.

Can it be removed?

It's drawn into the picture itself, so it can't be switched off like a subtitle track. A centred mark is the hardest to crop out.

Does it take long?

Every frame is redrawn and re-encoded, so it takes about as long as compressing the video — faster on computers with hardware video encoding.