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Found a super lightweight PDF editor, only 6MB!
KillerPDF, a free and open-source PDF tool, don’t let the small size fool you: annotation, merging, splitting, text editing, freehand drawing, signing, encryption—all can be handled.
Usually just need to modify a PDF, sign a document, highlight some points—this is enough. The interface is clean, and the operation is intuitive, unlike some PDF software that is bulky and expensive.
Compatible with Windows 10/11, open-source, free, and ad-free. For lightweight PDF editing needs, this really does the job.
The project link is in the comment section 👇
#PDF编辑器 # Open-source tool #Windows # Efficiency神器 #FreeSoftware