Pdf Remove Watermark Github [Top – 2027]
for page_num in range(len(doc)): page = doc[page_num] # Method 1: Draw white over watermark (crude but works) page.draw_rect(common_rect, color=(1,1,1), fill=(1,1,1), width=0) # Method 2: Remove text objects (more aggressive) page.clean_contents() doc.save(output_pdf) doc.close()
# Most watermarks are at same coordinates across pages common_rect = fitz.Rect() if watermarks: common_rect = watermarks[0] # simplify: take first pdf remove watermark github
And never remove watermarks to misrepresent ownership—that’s where engineering becomes forgery. This piece was assembled from real GitHub source analysis and PDF internals documentation. The code examples run on Python 3.8+ with PyMuPDF installed ( pip install PyMuPDF ). for page_num in range(len(doc)): page = doc[page_num] #
From a technical perspective, a watermark is just another layer of PDF content—text, vector art, or image—drawn over or under the main content. PDF’s stacking model makes removal possible via content filtering. | Tool | Stars | Method | Best for | |------|-------|--------|----------| | pdfrw + custom script | ~500 | Filter page contents by type | Text watermarks | | PyPDF2/PyMuPDF (fitz) | 6k+ | Remove annotations/overlay objects | Stamped watermarks | | pdfCropMargins | ~300 | Crop then scale | Edge watermarks | | OCRmyPDF + masking | 4k+ | OCR + regenerate | Image-based watermarks | | Stirling-PDF | 20k+ | GUI + CLI with “Remove Watermark” | Non-technical users | From a technical perspective, a watermark is just
No single tool works universally. The deep approach: 3. Deep Dive: PyMuPDF Script (Most Effective) import fitz # PyMuPDF def remove_watermark_by_rect(input_pdf, output_pdf, rect_tolerance=0.1): """ Remove all vector/text elements inside specified rectangular regions. rect_tolerance: match watermark position across pages (fraction of page) """ doc = fitz.open(input_pdf)