Credential Watermarker

Securely watermark documents directly inside your browser. Files never leave your device.

🔒 100% Client-Side Processing • Zero Server Uploads

Input File

Click to upload or drag & drop

Supports PDF, PNG, JPEG

Watermark Settings

Watermark Text

Opacity: 30%

Font Size: 28px

Grid Spacing: 180px

Rotation: 315°

Color

Live Preview

Upload a document or image to see live preview