Is GoPDF free to use?

Yes, GoPDF is 100% free with no subscription, watermark, or file quantity limits.

Are my documents uploaded to any remote server?

No. All PDF processing is executed 100% in your local browser sandbox via WebAssembly and Web Workers. Your documents never touch a remote server.

Yes, GoPDF is fully mobile-responsive and works smoothly on modern smartphone and tablet browsers.

Free PDF Tool

Combine multiple PDF files into a single document — fast, secure, and entirely in your browser.

100% PrivateNo uploads

Works OfflineIn your browser

SecureYour files stay on you device

PDF

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PDF

Multiple files → One document

Multiple files · Max 50MB each · PDF only

Merge your PDF files in just a few simple steps.

Upload or drag and drop your PDF files. You can add multiple files at once.

Reorder the files if needed, then click the merge button to combine them.

Your merged PDF will be generated instantly. Download and use it right away.

Everything you need to know about our PDF merger.

Yes, it is 100% free with no hidden subscriptions, trial limits, watermarks, or account registration required.