Merge PDF without uploading
Combine PDFs on your device — order them, merge, download — no cloud middleman.
🚫 no upload
🌱 on-device
🆓 free
⚡ browser / Wasm
Cloud merge tools ask you to upload every attachment first. GroundPDF lets you merge PDF without uploading: multi-file dropzone, local Wasm merge, one download.
Steps
- Go to Merge PDF.
- Drop two or more PDFs.
- Remove any extras if needed.
- Click merge and download
merged.pdf.
Tips
- Unlock passworded PDFs first with Unlock PDF (password stays local).
- Rotate sideways scans with Rotate PDF before merging.
- Reorder pages with Organize PDF after or instead of merge.
FAQs
Can I merge more than two PDFs?
Yes — add as many as your device can handle.
Do you keep a copy of merged files?
No. Processing is local; we do not store your PDFs.
Mobile support?
Modern mobile browsers with WebAssembly work; large merges are easier on desktop.
Free forever?
Core merge is free without an account.