> For the complete documentation index, see [llms.txt](https://usermanual.doctranslate.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://usermanual.doctranslate.io/vi/cong-cu-pdf.md).

# Công cụ PDF

- [Gộp PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/gop-pdf.md)
- [Tách PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/tach-pdf.md)
- [Trích Trang](https://usermanual.doctranslate.io/vi/cong-cu-pdf/trich-trang.md)
- [Sắp Xếp Trang PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/sap-xep-trang-pdf.md)
- [Scan Sang PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/scan-sang-pdf.md)
- [Nén PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/nen-pdf.md)
- [Ảnh Sang PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/anh-sang-pdf.md)
- [PDF Sang Word](https://usermanual.doctranslate.io/vi/cong-cu-pdf/pdf-sang-word.md)
- [PDF Sang Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/pdf-sang-anh.md)
- [PDF Sang PowerPoint](https://usermanual.doctranslate.io/vi/cong-cu-pdf/pdf-sang-powerpoint.md)
- [Xoay PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/xoay-pdf.md)
- [Thêm Hình Mờ](https://usermanual.doctranslate.io/vi/cong-cu-pdf/them-hinh-mo.md)
- [Xoá Trang](https://usermanual.doctranslate.io/vi/cong-cu-pdf/xoa-trang.md)
- [Đánh Số Trang](https://usermanual.doctranslate.io/vi/cong-cu-pdf/danh-so-trang.md)
- [Cắt Lề PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/cat-le-pdf.md)
- [Khoá PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/khoa-pdf.md)
- [Mở Khoá PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/mo-khoa-pdf.md)
- [Ký PDF](https://usermanual.doctranslate.io/vi/cong-cu-pdf/ky-pdf.md)
- [Đổi Kích Thước Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/doi-kich-thuoc-anh.md)
- [Xoay Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/xoay-anh.md)
- [Nén Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/nen-anh.md)
- [Cắt Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/cat-anh.md)
- [Chèn Watermark Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/chen-watermark-anh.md)
- [Chuyển Định Dạng Ảnh](https://usermanual.doctranslate.io/vi/cong-cu-pdf/chuyen-dinh-dang-anh.md)