Input File
Click here to browse for a file...
or drag and drop a PDF file here
1
2
3
Strip Options
Strip Options
ℹ️ Old Watermark Mode — 3-pass removal:
① Cyan arcs (BFS flood) ② Grey text (blob filter, ≥80px)
③ Pale grey halo. Ink writing (<110 brightness) is protected.
① Cyan arcs (BFS flood) ② Grey text (blob filter, ≥80px)
③ Pale grey halo. Ink writing (<110 brightness) is protected.
Strip Options
ℹ️ Smart Whiten (Image Safe):
Removes faint/multi-colored watermarks while preserving text and colorful diagrams/boxes.
Removes faint/multi-colored watermarks while preserving text and colorful diagrams/boxes.
Ready.