WebToolCraft PDF Merger | Combine PDFs Online, Private & Secure

PDF Merger · WebToolCraft

Combine, reorder and merge PDF files instantly — entirely in your browser.
100% private · Zero uploads · GDPR compliant
Click or drag PDF files here
Supports multiple files, up to 100MB each
Your PDFs never leave this device. Merging uses PDF-Lib & PDF.js locally.

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Add PDFs from the left panel to start merging

Drag to reorder not yet? Click and sort manually? We support removal & reorder via buttons! 🎯

🚀 Access All 60+ Tools in One Click

Install the WebToolCraft Pro app on your phone or PC. No storage needed.

🍏 iPhone: Tap Share then 'Add to Home Screen'

🤖 Android/PC: Click Menu (⋮) then 'Install App'

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Why choose local PDF merging?

Unlike online upload-based tools, WebToolCraft PDF Merger uses pdf-lib and PDF.js client-side. Your documents stay private, no server, no queue. Ideal for contracts, invoices, research papers, or ebooks. Quickly combine PDFs with custom ordering and filename.

JPG to PDF PDF Compressor JPG to PNG
100% Browser-based
No file size limits (depends on RAM)
Preserves original quality & fonts