How to Combine Receipts into One PDF for Expenses

By the PdfToolbox team · April 1, 2026

Expense season always ends the same way: a camera roll full of crumpled receipts and a finance team that wants one PDF, in order, small enough to email. Here’s a clean way to get there in a few minutes — without sending your receipts (and the personal details on them) to a random website.

Step 1 — Get the receipts into PDF form

If your receipts are photos, start with JPG to PDF: drop in all the images at once, drag them into the order you want them to appear, and download a single PDF. If some are already PDFs (digital invoices, app receipts), skip ahead.

Step 2 — Combine everything into one file

Now bring the lot together with Merge PDF — the photo-receipt PDF from step one plus any digital invoices — and arrange them by date or trip. One document, properly ordered, ready to attach. If a couple of pages ended up out of order, fix them with Reorder PDF pages before you download.

Step 3 — Shrink it for email

Receipt photos are heavy, so the merged file can be large. Run it through Compress PDF for email to get it comfortably under your provider’s attachment limit. (More on hitting that limit in reduce PDF size for email.)

Why do it locally

Receipts carry card digits, addresses and travel patterns — exactly the kind of thing you don’t want sitting on someone else’s server. Every step above runs in your browser, so the images never leave your device. Open DevTools → Network while you work and you’ll see zero uploads. Tidy report, nothing leaked.