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すべてのPdf Tools
Merge PDF
Combine multiple PDF files into a single document. Free, browser-based, no upload needed
Split PDF
Split a PDF into separate files by page ranges. Fast and private - runs in your browser
Rotate PDF
Rotate PDF pages by 90, 180, or 270 degrees. Fix orientation instantly in your browser
Watermark PDF
Add text watermark to all pages of your PDF. Customizable position, size, and opacity
Remove Pages PDF
Remove specific pages from a PDF document. Select pages to delete and download the result
Extract Pages PDF
Extract selected pages from a PDF into a new file. Choose page ranges to keep
Add Page Numbers PDF
Add page numbers to your PDF. Choose position, format, and starting number
Protect PDF（PDF保護）
Add password protection to your PDF file. Encrypt with RC4 128-bit security