Combine multiple PDF files into a single document
Nowhere. The merge happens in your browser using JavaScript — your files never touch our servers, never get uploaded, never get stored. Once you close the tab, the files are gone from memory; we have no copy. There is nothing for anyone to subpoena, breach, or sell.
Yes — no signup, no email required, no watermarks, no page limits, no daily quota, and no upsell for a paid tier. The tool runs entirely in your browser using free, open-source JavaScript libraries, so we have no server costs to recover. Your privacy IS the business model: we collect nothing because we have no use for it.
Practically, no — the only constraint is your device's available RAM, which is several gigabytes on any modern computer or phone. The tool has handled hundreds of pages and dozens of files in testing.
"Luleit is a lifesaver for legal docs. Knowing that my PDFs are processed entirely locally in the browser and never uploaded is a massive compliance win. No file leaks, no account needed, super fast."
Paralegal
"Outstanding speed and absolute privacy. I use it daily to compress medical records. Extremely secure and HIPAA compliant by design!"
Healthcare Administrator
"Unbelievably simple. No sign-up, no watermark, and the Chrome extension makes it a one-click launch from my browser toolbar. Best PDF utility out there."
Freelance Designer