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Merge, split, and compress PDFs in your browser
PDF Concatenator is a free, privacy-first tool for working with PDF files and images. Your files are never sent to a server — all processing happens only in your browser, on your device. Documents stay local from import to export.
100% client-side. Nothing leaves your computer. No uploads, no cloud storage, no third-party servers — merge, split, and compress PDFs entirely in your browser.
What you can do
- Merge PDFs and images — combine multiple PDFs, JPG, and PNG files into a single document while keeping original PDF text selectable.
- Split to images — export pages as separate PNG or JPG files, bundled in a ZIP when needed.
- Reorder pages — drag and drop thumbnails to arrange pages before exporting.
- Compress images — reduce file size with quality and dimension controls before export.
Drop PDF, JPG, or PNG files into the area above to get started. No account, no install, no waiting — just open the page and work with your documents.