Merge & Split PDFs
Combine, reorder, and split PDF files privately in your browser.
All tools
Every tool runs in your browser — no uploads, no accounts.
Privacy by design
PDFs are processed with pdf-lib entirely in your browser. Documents are never sent to our servers.
Open your browser developer tools Network tab while using any tool — after the page loads, your files are not transmitted to our servers.
Frequently asked questions
Are my files uploaded to a server?
PDFs are processed with pdf-lib entirely in your browser. Documents are never sent to our servers.
Is this free?
Yes — 100% free with no sign-up. Tools run in your browser using modern web APIs.
Which browsers are supported?
Latest Chrome, Edge, Firefox, and Safari on desktop and mobile. Some features need HTTPS and permission prompts.
Can I use this offline?
After the page loads once, many tools work offline because processing is local. You need internet for the initial visit.