HOW TO USE
Step-by-step guide
- Step 1: Choose the PDF you want to duplicate pages in.
- Step 2: Specify the page numbers to duplicate (e.g., "1, 3").
- Step 3: Click "Duplicate Pages" to download the updated document.
PAGES TOOL
Duplicate Pages
Clone selected pages within a PDF document. Ideal for creating duplicate signing copies, form templates, multi-part invoices, or printing repeat sets.
FAQ
Frequently asked questions
Where are the duplicated pages placed in the document?
Each duplicated page is placed immediately following its original counterpart in the page sequence.
Can I duplicate multiple pages simultaneously?
Yes. Enter comma-separated pages or ranges (e.g., "1-2, 4") to clone multiple pages in one operation.
Does duplication increase the file size significantly?
pdf-lib efficiently references existing content streams, keeping file size increases minimal.
PRIVACY & SECURITY
Client-side in-memory processing
PDF Toolbox is engineered with a strict browser-first architecture. All file operations execute entirely in your local browser sandbox via modern WebAssembly and JavaScript engines. No file bytes or sensitive document data are ever uploaded, buffered, or stored on external servers or cloud infrastructure. Memory buffers are cleared immediately when you finish or close your tab.
🔒 Zero server uploads: Processing stays on your device
⚡ Instant execution: No network upload/download queues
🛡️ Private & Confidential: Safe for legal, medical & financial files
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