Safe
ID
Invisible forensic watermarking for identity documents — internal use
The HMAC secret is currently read from an auto-generated key file in the storage directory. For production, set the
WATERMARK_SECRET
environment variable (see README).
Embed Watermark
Verify Watermark
Embed an invisible forensic watermark
Upload ID image
— click or drop a JPG/PNG here (max 20 MB)
Recipient / Company *
Recipient email
Purpose
Document owner
Reference / Case ID
Expiration (optional)
Notes
Add visible security watermark
Visible watermark options
Opacity (%)
Font size (‰ of diagonal)
Angle (°)
Layout
Repeated (tiled)
Single
Position (single layout)
Center
Top
Bottom
Output options
JPEG quality (60–100)
Embed Watermark
The invisible watermark is embedded into the image signal itself; EXIF/GPS metadata is removed.
Analyse an image for a SafeID watermark
Upload watermarked image
— click or drop a JPG/PNG here (max 20 MB)
Analyze Watermark
Cropped or resized copies are re-registered automatically; analysis can take a few seconds.