浮水印添加器

添加文字或Logo浮水印到圖像，可自訂位置、透明度和大小。支援批次處理。

watermark adderadd watermark to photologo watermarktext watermarkbatch watermark

Drag & drop a file here, or click to browse

Supports image files: JPG, PNG, GIF, WebP, BMP, SVG, TIFF

Performance

Web Worker Enabled

Using Web Worker for better performance (prevents UI freezing with large images)

⚠️ Web Worker is not available in this browser. Falling back to main thread.

Options

Watermark Type

Text WatermarkLogo Watermark

Position

Input

Output

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Example 1

Add copyright text to photography portfolio

Click "Example 1" above to load

Example 2

Place logo on product images for online store

Click "Example 2" above to load

Example 3

Batch watermark hundreds of images for client delivery

Click "Example 3" above to load

Frequently Asked Questions

Q: Can I use custom fonts?

A: Yes, choose from system fonts or upload your own font file.

Q: What watermark types are supported?

A: Text watermarks (with styling) and image/logo watermarks.

Q: Is batch watermarking available?

A: Yes, apply same watermark to multiple images at once.

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Privacy & Security

This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.