Merge PDFs

100% in-browser. Nothing is uploaded.

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The PDF jobs everyone needs eventually: merge documents, split pages out, reorder or rotate them, lock a file with a password, or compress it to a target size. Files are read and written on your device, which matters for documents: they are exactly the ones you least want uploaded.

How it works

  1. Drop one PDF, or several to merge.
  2. Arrange: drag pages, pick ranges, set a password, or choose a size target.
  3. Download the new PDF; splits come back as a ZIP of parts.

Questions

Does my file get uploaded?
No. The models and all processing run inside your browser on your own device. You can verify this yourself: open your browser’s DevTools, watch the Network tab, and process a file: there are no uploads. After the first visit most tools also work fully offline.
Is merge/split lossless?
Yes. Merging, splitting, reordering and rotating copy pages intact: text stays selectable, links keep working, quality is untouched. Only the compress pages re-encode content, and they say so.
How strong is the password protection?
The PDF is encrypted with AES, the standard that PDF readers implement. Without the password the file cannot be opened. Choose a real password: the encryption is only as strong as it.
Can it compress any PDF to 100 KB?
No, and it will not pretend to. Image-heavy pages compress well; a born-digital text PDF may already be near its floor. The tool reports the size it achieved rather than silently overshooting.

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