Merge PDFs

Combine multiple PDF files into one document.

Add PDF files

Drag and drop or click to browse

How to Merge PDFs

Upload Files

Select multiple PDF files from your computer or drag and drop them into the upload area.

Arrange Order

Drag files to change their order, or remove unwanted files from the list.

Merge & Download

Click "Merge PDFs" to combine them instantly. The new file is generated locally on your device.

Why use Signerra to merge PDFs?

100% Private & Secure

Unlike other online tools, your files are never uploaded to any server. All processing happens locally in your browser using advanced WebAssembly technology. Your sensitive documents remain completely private.

Blazing Fast

Since there are no uploads or downloads to a server, merging happens instantly. Even large files are processed in seconds without using your data plan.

Free Forever

No hidden costs, no watermarks, and no limits on the number of files you can merge. Signerra is a completely free tool for everyone.