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Codify Tools
PDF Document Utility

Online PDF Merge Utility

Combine multiple PDF files into a single structured document client-side without uploading files to remote servers.

100% Client-Side Privacy

Click or Drag & Drop PDF Documents Here

Upload 2 or more PDF files to combine them in your preferred order

How to Merge PDF Documents Client-Side

Combining multiple PDF reports, invoices, or scanned document pages into a single cohesive document is a daily necessity for professionals. However, traditional online PDF joiners upload your private files to remote cloud servers, creating severe privacy risks when handling confidential tax forms, contracts, or financial records.

Our client-side PDF Merge tool uses WebAssembly and browser memory to extract and combine PDF pages directly on your device. Upload two or more PDF files, arrange their order using the up and down arrows, and click "Merge PDF Documents". Download your unified PDF immediately without any data transmission over the web.

Frequently Asked Questions