CombinePDF
Merge multiple PDF files into a single document. Fast, free, and runs entirely in your browser — no sign-up required.
Drop PDF files here or click to browse
Select multiple files to combine them into one PDF
Explore All PDF Tools
Quick access to every local-first tool in the suite.
Split PDF
Split by ranges or intervals with instant downloads.
Open tool →Remove Pages
Delete unwanted pages and keep the rest intact.
Open tool →Extract Pages
Export selected pages or ranges into new files.
Open tool →Organize PDF
Reorder or remove pages with visual thumbnails.
Open tool →Rotate PDF
Fix sideways scans with custom rotations.
Open tool →Compress PDF
Reduce file size locally when possible.
Open tool →PDF to JPG
Convert each page into a high-quality JPG.
Open tool →JPG to PDF
Merge images into a polished PDF.
Open tool →Add Page Numbers
Number pages with custom position and start.
Open tool →Add Watermark
Stamp every page with your watermark text.
Open tool →Crop PDF
Trim margins by percentage for clean scans.
Open tool →Sign PDF
Add a typed or image signature locally.
Open tool →HTML to PDF
Paste HTML and export a PDF instantly.
Open tool →Why Choose CombinePDF?
No Limits
Combine any number of PDF files. Unlike other tools, CombinePDF handles very large documents with ease.
Completely Free
No sign-up, no payment, no hidden fees. CombinePDF is free to use forever — no trial limits.
100% Private
Your files never leave your browser. All processing happens locally — your documents stay on your device.
No Software Needed
Works on any device with a modern browser. No Adobe Acrobat or any other software required.
How It Works
Add Your PDF Files
Drag and drop your PDF files onto the upload area, or click to browse your device. You can add as many files as you need — there's no limit.
Arrange the Order
Drag files in the list to reorder them exactly how you want. The final PDF will follow this order. Remove any files you don't need.
Combine & Download
Click Combine and your merged PDF downloads instantly. Done.
What Our Users Say
“The tool is used as part of an automated workflow. All I needed was a way to concatenate all the PDFs and CombinePDF does this effortlessly. Incredibly simple and reliable.