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Combine multiple PDF files into one document instantly. Fast, secure, and 100% private — files never leave your browser.
100% Safe & Private
Files are processed directly in your browser and never uploaded to any server. Your documents stay on your device.
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Supports multiple PDFs • No file size limit • No signup
Combine PDFs in 4 simple steps — no software, no signup, no waiting.
Click Select PDFs or drag & drop your files into the upload area. Add as many PDFs as you need.
Drag files to reorder them. The sequence determines the page order in your final document.
Click Merge PDFs — your files are combined instantly in your browser with zero upload time.
Download your merged PDF instantly. Files are processed locally and never touch a server.
Everything you need to know about merging PDFs with Crafex.
You can merge as many PDFs as you need — there is no limit. The only practical constraint is your browser's available memory, since all processing happens locally on your device.
No. All merging is done 100% client-side in your browser using pdf-lib. Your files never leave your device and are never uploaded to any server, ensuring complete privacy and security.
No. Crafex merges PDFs without recompressing or altering the original content. The output preserves all formatting, images, fonts, and vector graphics at full quality.
No signup is required. You can merge PDFs instantly for free without creating an account or providing an email address.
More free tools to work with your PDFs — all private and in your browser.
© 2026 Crafex — Privacy-first PDF tools. All processing happens in your browser.