Công cụ PDF

Merge multiple PDF files into one document. Drag to reorder pages before merging. Free and private, processed entirely in your browser with no uploads. No file limit, no watermarks.

Split PDF files by page range, select specific pages, or split every N pages. Preview pages before extracting. Download as PDF or ZIP. 100% browser-based — files never leave your device.

Convert every page of a PDF to high-quality PNG images. Choose 72, 150, or 300 DPI. Download pages individually or all at once as a ZIP. Browser-based — files never leave your device.

Convert multiple images into a single PDF document. Drag to reorder pages, choose A4/Letter/Legal page size, set margins and quality. Free, private — processed entirely in your browser.

Rotate all pages or individual pages of a PDF by 90, 180, or 270 degrees. Visual page thumbnails let you preview rotation before downloading. Fix scanned documents, mixed-orientation PDFs, and upside-down pages. Free, browser-based — no upload needed.

Add password protection and permission restrictions to any PDF file. Set user password to restrict opening and owner password to control printing, copying, and editing. Choose 128-bit or 256-bit AES encryption. 100% browser-based — files never leave your device.