Smart PDF Merge

Drop in as many PDFs as you like — matching document sets are detected and merged automatically. No manual grouping needed.

Drag & drop PDF files here
or click to browse — supports bulk upload, up to 10,000 files
How auto-detection works
Rule 1 — Prefix code: INV_CODE.pdf + FP_CODE.pdf → merged as CODE.pdf (Invoice, then Tax Invoice).
Rule 2 — Suffix letter: ABC.pdf + ABC R.pdf + ABC P.pdf + ABC A.pdf → merged as ABC.pdf (Main, R, P, A).
Files that don't match either pattern, or have no matching partner, are left untouched.