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Select PDF Files
Click to browse or drag & drop (Max 20MB)
100% Private: Files processed in browser. No server upload.
Why merge PDFs client-side?
Most online PDF tools require you to upload your sensitive documents to their servers. This creates a privacy risk. ToolSurf PDF Merger uses powerful WebAssembly technology (pdf-lib) to process your files directly in your browser. Your data never leaves your device.
How to combine PDF files
- Click the upload box to select multiple PDF documents.
- Verify the order of files in the list.
- Click Merge & Download to generate your new document instantly.
Features
- Privacy First: Zero server uploads.
- Instant Speed: No waiting for uploads/downloads.
- Universal: Works on Windows, Mac, Linux, and Mobile.