📄 PDFoomph — Free PDF Tools

🔀 About This Merge PDF Tool

Need to combine multiple PDFs into one document? Our free Merge PDF tool lets you join PDF files together in seconds. Whether you're merging scanned documents, combining report chapters or stitching together multiple invoices, the process happens entirely in your browser — nothing is uploaded to any server. Your files stay private and secure.

✨ Key Features

• Combine up to 20 PDF files at once
• No file size limits — merge large documents
• All processing happens in your browser — 100% private
• No sign-up, no email required, no watermarks
• Works on Windows, Mac, Linux, iOS and Android
• Supports any PDF version — Acrobat, LibreOffice, scans

📋 How to Use

1. Click 'Choose Files' or drag & drop your PDFs onto the page
2. Arrange them in the correct order using drag and drop
3. Click 'Merge' and wait a few seconds
4. Download your combined PDF instantly

That's it! No registration, no email, no watermark — just fast, free document processing.

📄 Try the Merge PDF Tool

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❓ Frequently Asked Questions

Is this tool really free?

Yes! PDFoomph tools are completely free to use. There's no hidden charge, no trial period and no watermark on your output files. Our tools are supported by minimal, non-intrusive ads.

Are my files secure?

Absolutely. All PDF processing happens in your browser using client-side JavaScript. Your files never leave your computer — we have no servers that receive your documents.

Do I need to sign up?

No registration or email is required. Just visit the page, upload your file and go.

What browsers are supported?

PDFoomph works on all modern browsers including Chrome, Firefox, Safari and Edge, on desktop and mobile devices.

Are there file size limits?

There are no hard limits, but very large files (500MB+) may be slower due to browser memory constraints.