How to merge PDF files
- Click “Choose files” and select all PDFs at once.
- Arrange the pages in the right panel.
- Click “Save” — you get one PDF.
Why Construct PDF Online
- Files never leave your computerDocuments are opened and processed in your browser. Nothing is uploaded — safe for contracts and IDs. The only exception is Word, Excel and PowerPoint to PDF: only with your consent, and the file is deleted right away.
- No sign-up, no watermarksOpen a file and start working. No file limits and no “made with …” marks on your pages.
- Cyrillic and LatinText and stamps support Cyrillic and Latin; forms are filled in; compression fits upload portals.
- Desktop app for WindowsConstruct PDF for Windows works offline: edit scanned text, CryptoPro e-signature, OCR.
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Questions and answers
How many files can I merge?
There is no limit — it only depends on your computer’s memory. Hundreds of pages are combined in seconds.
Can I add a file later?
Yes, use “Add pages” at the bottom of the right panel, or drop a file onto the thumbnails.
Can I merge PDF and JPG?
Yes, images become pages of the same document.
Are bookmarks kept?
Pages are copied as they are. Bookmarks from different files are not combined yet.
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