№ obscuraos.com
Zero-Upload Document & Image Stamper
Apply watermarks, approval stamps, and signatures locally on your device
← All Tools
Theme
1. Select Document / Image
Choose Image / Document Page (PNG, JPG, WebP)
2. Configure Stamp & Watermark
Stamp / Watermark Text
Stamp Style
Bordered Stamp (Red)
Bordered Stamp (Green)
Bordered Stamp (Blue)
Diagonal Watermark (Faint Gray)
Official Date Header
Date Included
Draw Signature (Optional)
Clear Signature
Draw on box
Download Stamped Document
Reset
Document Live Canvas
Processed entirely on your device with HTML5 Canvas. Zero data leaves your browser.
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