Combining multiple PDF files into one document is one of the most common tasks — but without the right tool it's frustrating. Whether you're joining a CV with a cover letter, merging monthly reports, or compiling scanned pages, Folium lets you combine any number of PDFs instantly in your browser. No file upload. No account. No waiting.
Merge dozens of PDFs in seconds. No queue, no server round-trip.
Files stay on your device. Nothing is sent to any server, ever.
Your merged PDF is completely clean — no branding or stamps added.
Merge PDFs from your phone or tablet without downloading any app.
Click Choose Files or drag and drop multiple PDF files. Select them in the order you want them merged — the first file becomes page 1 of the result.
Your files are listed below the upload area. Each file becomes a section of the final PDF in the exact order shown.
Click Merge PDF Files. Your combined document downloads immediately to your device at full quality.
Combine your CV, cover letter, and portfolio into one clean file before submitting online.
Join weekly or monthly reports into a single annual document for archiving or sharing.
Package contracts, annexes, and signature pages into one submission-ready PDF.
Merge individually scanned pages into one complete, shareable digital document.
Folium's Merge PDF tool runs entirely in your browser using the open-source pdf-lib library. Your files are never sent to any server — they are read locally by your browser's JavaScript engine, merged in memory, and the result is downloaded directly to your device. Open your browser's Network tab (F12) and you will see zero file-upload requests during the entire process.
Folium's Merge PDF tool is the fastest, most private way to merge PDF online — no upload, no account, no watermarks. Whether you need to combine 2 files or 20, your merged PDF is ready in seconds. Completely free, always.