Combine multiple PDF documents into a single file. Upload individual PDFs or ZIP archives and merge them in your preferred order.
From simple conversions to a more complex automation using workflows, PDFengine provides professional-grade tools for every PDF task.
Merge up to 50 PDF files into a single document. Upload individual files or ZIP archives containing multiple PDFs for efficient batch processing.
Give your merged PDF a professional start with a custom cover page. Add a logo, title, summary, or table of contents as the first page of any document, and apply it in seconds.
Take document management to the next level by combining and sequencing PDF conversion, optimalization, and/or organization tools. With fully customizable workflows, complicated PDF tasks cost just seconds to complete.
Our advanced conversion engine processes your files in seconds, not minutes. Upload, convert, and download - all within moments.
Archive and convert email, AutoCAD, Visio, and Office files in one streamlined workflow. Perfect for companies with recurring document processes.
Our intelligent algorithms preserve formatting, fonts, images, and layouts. What you see is what you get - no quality loss.
Process your documents easily and quickly in three steps
Select your PDF documents or upload ZIP archives containing multiple PDF files.
Drag and drop to reorder your PDFs. The order will determine how they appear in the final merged document.
Get your single merged PDF file with all documents combined in the order you specified.
You can merge up to 200 PDF files with a total size of up to 500MB (Premium) or 200MB (Free/One-time credits).
Yes, you can drag and drop PDFs to reorder them before merging. ZIP archives maintain their internal file order.
Yes, all content, formatting, images, fonts, and metadata from your original PDFs are preserved in the merged document.
Converting a file to PDF ensures your document stays consistent and accessible. PDFs lock in formatting, design, and structure, preventing layout shifts that can happen with editable file types. They’re compatible with virtually all devices and operating systems, making them ideal for professional documents, forms, reports, and presentations. PDFs are also easy to distribute; whether through email, downloads, cloud platforms, or QR-codes that let users open a file instantly on their phone.
Our intelligent software minimizes quality loss when converting documents. As such, documents can be converted without having to worry about quality loss for a great number of times.
No; our intelligent PDF software recognizes document layouts and transforms them accurately onto a new file format. Was your lay-out or format not transformed accurately? Consider applying OCR, or applying different customization settings to convert it correctly.
Yes! There are no limits to converting documents, and documents can safely and easily be converted back and forth. Conversion can be handy to edit a PDF document in Word, and later convert it back into an organized PDF format.
To merge PDF documents simply go to our converter, choose the file format you’re merging, and drag and drop the files you want to merge. Then you have the opportunity to edit some settings, press merge, and you’re done! You can download your merged file right away.
Yes, PDFengine offers various means of customizing your (PDF) documents. Consider adding a cover page, applying OCR, or using PDF/A as output.
If the text is not copyable, clickable, or searchable, that means the text is not recognized within the PDF. Try uploading your document onto PDFen and applying OCR. OCR technology will make your text readable. In case it doesn’t work completely in one go: apply OCR a second time.
Combine multiple PDF documents into a single file in seconds. No software installation required.
Explore our full suite of PDF tools for converting, compressing, and optimizing your documents.
Convert PDF documents to Word format
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Reduce PDF file size while maintaining quality