Merge PDF
Combine multiple PDF files into a single document in any order. Simply drag and drop your files and click the button — fast and free.
Drag & drop files here or click to browse
Max size: 25 MB · Max files: 20
.pdf, .jpg, .png
FAQ
Open our online PDF merger, drag and drop your files into the upload area or click "Choose Files". Arrange documents in the desired order using the preview thumbnails and click "Merge". Combining PDFs is done right in your browser — free and without registration.
Our online tool lets you add up to 20 PDF files per operation. The maximum size for each file is 25 MB — enough for most document combining tasks.
Yes. After uploading, each file shows a thumbnail preview of its first page. You can see the content before combining, drag and drop files to rearrange them, sort by name (A-Z / Z-A), switch between grid and list views, rotate pages, and duplicate files.
Protected files are marked with a lock icon. Enter the password in the field next to the file and click "Unlock". Once decrypted, the file is ready to merge with the rest of your documents.
Yes. In addition to PDFs, you can upload JPG and PNG files — they will be automatically converted to PDF pages when combining. Adding images is a free feature available to all users.
Yes. When you add images, an OCR (text recognition) option appears. Text in images will be recognized and embedded into the final PDF for copying and editing. OCR is available for registered users and Pro account holders.
Yes. PDF Boss is a web application that works in any modern browser on all operating systems: Windows, macOS, and Linux. No additional software installation is needed — just open the page and start working.
Yes. Our online service merges files without re-encoding — fonts, vector graphics, images, formatting, and hyperlinks are preserved in their original quality.
Files are transmitted over an encrypted HTTPS connection and are automatically deleted from the server after processing. We do not store or share your documents with third parties.
No. The online PDF merger works entirely in your browser with no downloads or installations required. Registration is not needed — merging PDFs and adding images is available to everyone.
Open PDF Boss in Safari, Chrome, or any other browser on your Mac. Upload your files, arrange them in the desired order using the preview thumbnails, and click "Merge". Download the result with a single click — no additional software required.
Yes. The interface is fully optimized for mobile devices — upload and merge PDFs directly from your phone or tablet on iOS and Android.