Combine multiple PDF files into one document quickly and securely
Drop your PDF files here
or click to browse from your computer
Drag and drop your PDF files or browse to select them
Combine your PDFs in seconds with our powerful engine
Download your merged PDF immediately after processing
Unlike other tools, WhatsTask merges files locally on your device. When you select PDF files, they are processed directly in your browser using advanced client-side technology. This means your documents never leave your computer, ensuring complete privacy and security. No server uploads, no data storage, no privacy concerns.
Yes. Because we do not upload your files to a server, your bank statements, legal documents, contracts, and other sensitive PDFs stay completely private. All processing happens in your browser's memory, and files are automatically cleared when you close the page. This makes our tool ideal for confidential documents that require the highest level of security.
Yes, our tool works directly in your mobile browser without requiring any app downloads. Whether you're using Safari on iPhone, Chrome on Android, or any modern mobile browser, you can merge PDFs on the go. The interface is fully responsive and optimized for touch screens, making it easy to select, reorder, and combine documents from your phone or tablet.
No signup required! You can merge up to 5 PDF files instantly without creating an account, providing your email, or going through any registration process. Just visit the page, select your files, and merge. It's completely free and unlimited for basic use.
No watermarks, ever. Your merged PDF will be completely clean and professional, with no branding, logos, or text added to your documents. The output file contains only your original content, exactly as you intended.