Free Online Image and Video Watermark Tool

Watermark Tool
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Upload Media
Drag and drop or click to browse
Watermark text
Opacity50%
Size16px
Position default: bottom right
Color
Repeat as pattern

Free Batch Image & Video Watermark Tool — Text & Logo Overlay

Protect your photos, graphics, and videos with custom text or image logo watermarks. Adjust font size, opacity, rotation, color, and repeat patterns across single files or large batches. Everything runs 100% in your web browser — your content stays private on your device.

Ideal for photographers, content creators, ecommerce sellers, and agencies looking to stamp copyright marks, company logos, or draft stamps onto creative assets before sharing.

How to Watermark Images & Videos

  1. Upload your images or video files into the watermark tool workspace.
  2. Choose between Text Watermark (custom text, font, color) or Logo Image (upload your PNG logo).
  3. Position the watermark using anchor presets or drag it directly on the canvas preview.
  4. Tune opacity, scale, rotation, and repeat pattern settings.
  5. Click Apply to All to batch apply to all files, then download your watermarked media.

Frequently Asked Questions

No. All watermark rendering for both images and videos is performed client-side inside your browser via Canvas and WebAssembly. No data is sent to external servers.
Yes. Toggle the Repeat as pattern switch to fill the entire image or video frame with repeating diagonal text or logo watermarks.
Yes! Transparent PNG, WebP, or SVG logos work seamlessly, allowing smooth blending over your background media.
The tool offers system-safe fonts — Arial, Georgia, Courier and others — with control over font weight (bold/normal) and style (italic).
Settings are saved in your browser's localStorage. Your last-used text, position, opacity, and font settings restore automatically on your next visit.
Yes. The watermark is composited at the original image dimensions — output resolution matches the source exactly.
RAW and TIFF are not supported by the browser Canvas API. Convert to JPG or PNG first, then apply the watermark.