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Merge PDF Files

Combine actual PDF files in your chosen order.

Tool inputs stay in your browser · optional AI search sends your query

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Good to know: Choose two or more unencrypted PDFs. Move files up or down, then create one downloadable PDF. Maximum 20 files,20 MB per file,40 MB total and 200 combined pages. Review the result: digital signatures are invalidated, and interactive forms, attachments or document-level features may not carry over. Files are processed on your device, not sent to our server. Limits protect browser memory; close other heavy tabs on older phones.

How to use it (step by step)

  1. 1Choose two or more PDF files.
  2. 2Use the up/down buttons to set the order.
  3. 3Press the button to merge, then download the single PDF.

Words to know

PDF
A document file that looks the same on every phone and computer.
Data storage units
Sizes of digital files: 1 KB ≈ a short text, 1 MB ≈ a photo, 1 GB ≈ a movie. 1 GB = 1,000 MB (or 1,024 in computer counting).

More in PDF Tools

Sign & Fill PDF (Add Signature, Text, Date)Draw your signature and tap to place it, plus text and today’s date, anywhere on a PDF.Fill PDF FormType into the fillable boxes of a PDF form and save it, optionally locked.Flatten PDFLock form fields and their answers into the page so nobody can change them.Combine Front & Back Scans (Double-Sided)Merge a PDF of front pages and a PDF of back pages into one correctly ordered document.Reverse PDF Page OrderFlip the order of all pages (last becomes first).Resize PDF Pages (A4 / Letter / Legal)Fit every page onto A4, Letter or Legal size without cutting anything off.