EasyWatermark | Add watermark to pictures online

What does the watermark tool do?

• Text watermark: support custom text content, font family, size, color, transparency, rotation angle
• Batch processing: add watermarks to multiple images at the same time to improve work efficiency
• Smart positioning: freely select watermark position or automatic tiling
• Output control: adjust the output image quality, support JPG/PNG format
• Privacy protection: all processing is completed in the browser, and the image is not uploaded to the server"

Function description

1. Core functions:

• 📝 Add text watermark
• 🎨 Customize font style (font, size, color, transparency)
• 🔄 Adjust watermark angle and density
• 🖼️ Batch process multiple images
• 💾 High-quality export (maintain original image quality)

2. Feature highlights:

• ⚡ Pure front-end processing - Protect privacy and do not upload
• 🆓 Completely free - No registration and login required
• 🌍 Cross-platform use - Can be used on mobile phones/computers
• 🚀 Extremely fast processing - Acceleration using WebAssembly

3. Usage scenarios:

• Photographers protect copyrights of their works
• Add store information to e-commerce product images
• Prevent theft of self-media content
• Add confidentiality marks to corporate documents