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Foundry✦pdf

PDF tool · in your browser

Merge PDF online, free

A genuinely free PDF merger: no account, no watermark, no daily cap. Because the combining happens in your browser, there is no upload queue, and Pro raises the local ceiling for heavier files.

Network0 uploads

Drag & drop PDF files here

or click to choose files

PDF · processed in your browser, never uploaded

How it works

  1. 1Drop or select the PDF files you want to combine.
  2. 2Drag to reorder them so the pages end up in the right sequence.
  3. 3Click Merge — the combined PDF downloads instantly.

When this helps

  • Combine a cover page and report into one submission-ready file.
  • Join several invoices, receipts, or statements into a single archive.
  • Assemble chapters or handouts in the exact order you choose.

Tips for a clean result

  • The free tool adds no watermark and does not require an account.
  • For a very large batch, merge smaller groups first and combine those results.

Frequently asked questions

Are my files uploaded anywhere?+

No. Merging happens entirely in your browser using JavaScript. Your PDFs never leave your device.

Is there a file size limit?+

Each file can be up to 250 MB. Larger workloads can be split into smaller batches.

Does it cost anything?+

The merge tool is completely free — no account or credits needed.

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