TetraKits
Combine multiple PDF files into one document — entirely in your browser. Add files, drag to reorder, preview the combined page list, and download a single merged PDF without uploading to any server. The TetraKits Merge PDF runs entirely in your browser — free, private, and ready on mobile or desktop.
Overview
Contract appendices, scanned receipts, and report chapters often arrive as separate PDFs that need combining. Browser merge with drag-to-reorder handles the job privately — no email attachments to third-party services.
How to use the merge pdf
- Add PDF files — Drag and drop or select multiple PDFs. Each file appears in the list with page count.
- Reorder files — Drag files to change merge order. Pages from each file append in the sequence shown.
- Download merged PDF — Click merge and download. To reduce size, run compress PDF on the result.
Common use cases
- Add PDF files: Drag and drop or select multiple PDFs.
- Reorder files: Drag files to change merge order.
- Download merged PDF: Click merge and download.
- Bookmark for quick access: Save the tool for repeat tasks without installing an app.
Frequently asked questions
Is merging PDFs free?
Yes. TetraKits Merge PDF is completely free with no signup or usage limits.
Are my files uploaded to a server?
No. Merging happens entirely in your browser. Files never leave your device.
How many PDFs can I combine?
Add as many files as your browser memory allows. Typical sessions handle dozens of documents.
Can I merge specific pages only?
This tool merges entire files in order. To extract pages first, use split PDF.
Will merged PDFs keep bookmarks?
Basic merge combines page content. Complex bookmarks and forms may not fully preserve — test critical documents after merging.
