Upload multiple PDF files, drag to reorder them or pick specific pages, then merge them into a single perfectly ordered document — entirely in your browser, no signup, no limits.
Click to select a file or drag and drop
PDFs or Images
Your files never leave your device.
File Mode — How it works:
Page Mode — How it works:
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Select or drag and drop multiple PDF files you want to merge. You can add as many files as you need — no file count limit.
In File Mode, drag files to reorder them and optionally enter page ranges. Switch to Page Mode to pick and arrange individual pages from each document.
Click 'Merge PDFs' to combine all selected files and pages into a single, perfectly ordered PDF document.
Your merged PDF is ready instantly. Download it — bookmarks preserved, original quality maintained, no watermark added.
Extract a range of pages into a new PDF.
Duplicate, reorder, and delete pages.
Reduce the file size of your PDF documents while maintaining the best possible quality.
Turn pages in 90-degree increments.
Remove specific pages from your document.
There is no limit on the number of files! Merge as many PDFs as you need in a single operation. You can also enter page ranges for each file (e.g., "1-3, 5") for precise control over which pages are included.
No. ZentoPDF preserves the original quality of all content when merging — images, text, fonts and bookmarks are all maintained without any loss or watermark.
Yes! In File Mode, enter page ranges in the Pages box next to each file. Or switch to Page Mode to visually drag and drop individual pages from all your PDFs in any order you like.
Absolutely. All merging happens directly in your browser using WebAssembly technology. No file is ever uploaded to a server — your documents stay 100% private and secure on your device.