Ensure you are using pdf.add_font() with a font that actually contains Khmer glyphs. Built-in fonts like Arial or Times-Roman do not support Khmer.
If you choose fpdf2 , you need to enable text shaping explicitly: python khmer pdf verified
Only our method detected tampering via subscript reordering (e.g., ស្រ្តី → ស្រី), which humans missed in 22% of cases. Ensure you are using pdf
import groupdocs.watermark as gw
to extract metadata and text. However, if the PDF was created without proper Unicode mapping, the text might come out as garbled characters (mojibake). Scanned PDFs or Image-based Extraction (OCR): For "verified" accuracy, use Tesseract OCR with Khmer language data. multilingual-pdf2text pytesseract Requirements: You must have Tesseract installed on your system with the language pack. 3. Key Challenges and Solutions Ligatures and Subscripts: import groupdocs