PDF Merge
Combine multiple PDF files into one document. Drag to reorder pages, then download the merged PDF — no upload, processed entirely in your browser.
Drop PDF files here or click to choose
How to use the pdf merge
Add two or more PDF files, drag the rows to reorder, then click Merge & Download.
Formula & explanation
pdf-lib copies pages from each source document in order into a new PDF — no server involved.
Examples
Combine a cover letter and résumé into one PDF before uploading to a job application portal.
Frequently asked questions
- Is there a file size limit?
- No server limit — the only constraint is available browser memory, typically several hundred MB.
- Are my files uploaded anywhere?
- No. Everything runs in your browser using pdf-lib.
- Can I merge more than 2 files?
- Yes, add as many PDFs as you like.
Related pdf tools tools
- PDF SplitSplit a PDF by page ranges or extract individual pages. Enter ranges like 1-3,5,7-9 or extract every page as a separate file — processed in your browser.
- PDF to ImagesConvert PDF pages to PNG or JPG images. Renders each page as a high-quality image you can download individually or as a ZIP — runs entirely in your browser.
- Images to PDFConvert JPG, PNG, or WebP images to a PDF document. Drag to reorder, choose page size and orientation, then download the PDF — no upload, runs in your browser.
- PDF RotateRotate PDF pages by 90°, 180°, or 270°. Apply rotation to all pages or specific pages — download the corrected PDF instantly, processed in your browser.
- PDF CompressReduce PDF file size by recompressing the document structure. No external server — compressed and downloaded directly in your browser.
- PDF Metadata ViewerView PDF metadata: title, author, creator, producer, creation date, modification date, and page count — instantly parsed in your browser without uploading anywhere.