Merge PDF
Combine multiple PDF files into a single document. Drag to reorder.
Looking for a tiny pdf merge tool? Need to combine multiple PDF files into a single document? Whether you are assembling a job application package, compiling reports, or merging scanned pages, this lightweight tool lets you join any number of PDFs into one cohesive file.
Simply drag and drop your PDFs, rearrange them in any order, and click merge. The combined document preserves all formatting, fonts, images, and hyperlinks from the original files. Processing happens entirely in your browser — your files are never uploaded to any server.
Drop your PDF files here to merge
or click to browse
How It Works
Upload PDFs
Select or drag and drop two or more PDF files into the drop zone above.
Rearrange Files
Click and drag the files in the workspace to reorder them exactly how you want them to appear in the final merged document.
Merge and Download
Click the 'Merge PDFs' button. Your browser will instantly combine the files into a single PDF and download it securely.
Frequently Asked Questions
How to Merge PDF Files Online
Combining multiple PDF files into one document is one of the most common document tasks — whether you are compiling reports, combining scanned pages, or bundling contracts for a client. Our free merge tool lets you do it entirely in your browser with zero uploads to any server.
- Click "Select PDF Files" or drag and drop your PDFs into the upload area.
- Reorder the files by dragging them into your preferred sequence.
- Click "Merge PDFs" to combine all files into a single document.
- Download your merged PDF instantly — no email or signup required.
Unlike most online PDF tools, Tiny PDF Tools processes everything locally using the open-source pdf-lib library. Your files never leave your device, which makes this the most privacy-friendly way to merge PDFs. There is no cap on file size or on the number of files you can combine in one session.
Common reasons to merge PDFs - Combining twelve monthly invoices into a single PDF for a tax return. - Merging separately scanned contract pages before sending them to a client. - Assembling a resume, cover letter, and portfolio into one job-application file. - Joining a set of receipts into one document for an expense report.
Keeping the pages in the right order Order matters when you merge. Drag the file tiles into the exact sequence you want before clicking merge, and the pages are stitched together top to bottom in that order. If you need finer control — reordering individual pages rather than whole files — merge first, then open the result in our Organize PDF tool.
Why local merging is safer Server-based mergers upload your documents to a machine you cannot audit and often keep them for hours. Here, the files are read into your browser's memory, merged, and handed straight back to you as a download — no network round-trip and nothing stored.
Frequently Asked Questions
How do I combine PDF files on Mac without Adobe?
Our tool is fully compatible with macOS Safari and Chrome. You don't need to purchase Adobe Acrobat or use Preview. Just drag your files into the browser and click merge.
Can I merge PDFs offline?
Yes! Once the webpage loads, you can disconnect from the internet and the tool will still merge your files securely since all processing happens in your browser.
Is there a file size limit for merging PDFs?
No strict server limits exist because files are never uploaded. However, combining very large files (e.g., over 500MB) depends entirely on your device's available RAM.
Can I combine images and PDFs together?
To combine images, first use our "Image to PDF" tool to convert them, and then merge the resulting PDFs using this tool.
Will merging reduce the quality of my PDFs?
No. Merging copies each page exactly as it exists in the source files, so text, fonts, and images stay pixel-perfect. If the merged file is large, run it through our Compress PDF tool afterwards.