PDF Merger MERGE
Combine multiple PDF files into a single document. Select page ranges, rotate pages, and drag to reorder — no upload, no sign-up, completely private.
Sessions
Merge History
Frequently Asked Questions
Is my PDF data uploaded to a server?
How many PDF files can I merge?
Can I reorder the files before merging?
What happens to the file sizes?
Does this work on mobile?
How to Use
Add PDF Files
Drop PDF files onto the upload area or click to browse and select multiple PDFs from your device.
Reorder Files
Drag and drop files in the list to arrange them in the order you want them to appear in the merged document.
Merge PDFs
Click the Merge PDFs button to combine all files into a single PDF document. Processing happens entirely in your browser.
Download Result
Click Download to save your merged PDF. The original files are not modified.
How to Calculate
Pages concatenate in your chosen order into a single PDF with optional page numbers. Files never upload - merging runs locally, so scans and statements stay private.
About the PDF Merger
The PDF Merger lets you combine multiple PDF files into a single document right in your browser. Drag to reorder files, merge them, and download the result — all without uploading anything to any server.
Built with pdf-lib and running entirely client-side, this tool ensures your documents never leave your device. No sign-up required, no data stored, no tracking.
Methodology & feedback
Figures run locally in your browser from the values you enter (page updated ). Estimates are educational only — verify finance, tax and health decisions with a qualified professional (see Disclaimer). Spotted an error? Report it via contact and we correct with a new update date.