◆ ClientPDF
running locally in this tab — nothing uploaded

Open DevTools.
Merge these PDFs.
Watch nothing get sent anywhere.

Most "free" PDF mergers upload your file to a server you can't see, in a country you didn't pick, under a privacy policy you didn't read. This one has zero network requests after the page loads — check the Network tab yourself, right now, before you trust it with anything.

Don't take our word for it — here's how to verify it in 10 seconds. Merging a file with bookmarks? Here's what does and doesn't carry over.

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Drop PDF files here or click to browse

Merge 2 or more PDFs · files stay on this device

    0 network requests since page load · verified live, not our word for it

    No accounts

    No signup, no email, no watermark. Use it and close the tab.

    No limits (for now)

    Merge as many files as your device's memory allows. No artificial 3-file caps.

    Splitting, rotating, reordering, compressing, and numbering PDFs? All live too.

    Extract pages or split every page into its own file, fix pages scanned sideways, drag pages into a new order, shrink the file size, or stamp page numbers onto every page — same rule: everything stays local. Leave your email and we'll let you know about a Pro batch mode.