Merge PDF Files
Combine multiple PDF reports, spreadsheets, scanned notes, and presentations into a single, high-quality local document. Completely client-side. No files are uploaded to any server.
Drag & Drop PDF files here
or click to select files from your computer. Select multiple PDFs to merge. Up to 500MB per file.
100% Offline ProcessingSelected Documents 0 Files
Drag rows by the handles ☰ or card structures to adjust processing sequence.
0.0 MB
0 Pages
Verified Clean
File Error
Details about error state.
Merge Completed Offline!
Your files have been successfully consolidated into a unified PDF structure completely in browser cache memory.
Military Confidentiality
All data operations are processed purely within your device's browser memory buffers. No trackers, no cookies, 100% cloudless.
WebAssembly Engine
Powered by the leading standard pdf-lib, executing compiled byte modifications locally to preserve image quality and link layers.
Arbitrary Ordering
Reorder files dynamically with simple drag-and-drop handles. Mix files of any sizes up to 500MB without buffer lag.