How to combine invoice pdfs for accounting and reconciliation
- Step 1Collect your invoice PDFs — Download invoice PDFs from email attachments, supplier portals, or scanner output.
- Step 2Add them to the merger — Drop all invoice PDFs into the merge dropzone.
- Step 3Sort by supplier or date — Reorder tiles to group by supplier or arrange chronologically.
- Step 4Merge and attach to your expense report — Download the combined invoice PDF and attach it to your accounting workflow.
Frequently asked questions
Can I merge invoices from different suppliers and formats?+
Yes — as long as each file is a valid PDF, they can all be merged together regardless of layout differences.
Will my invoice totals or data be altered?+
Never. Merging only combines pages — no content is read, changed, or extracted.
How secure is this for financial documents?+
All processing happens in your browser. No file is uploaded to any server, so your financial data remains completely private.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.