Does File Consolidator upload my files?

No. All processing happens entirely in your browser using JavaScript and WebAssembly. Your files are never sent to any server — they never leave your device.

What file formats does File Consolidator support?

File Consolidator supports CSV (.csv), Excel (.xlsx) for spreadsheet merging, and PDF, JPG, PNG for PDF combining.

Is File Consolidator free?

Yes, completely free. No account required, no usage limits, no hidden fees.

Who is File Consolidator useful for?

Finance teams merging bank statements or expense reports, HR teams consolidating employee data CSV exports, data analysts stacking CSV exports, and anyone needing to combine spreadsheets or PDF documents without uploading to a cloud service.

File Consolidation Tool — Merge CSV, Excel & PDF Online

Step 1 — Upload Files

All files are processed entirely within your browser on your own device. No file is uploaded to any server, no data is stored externally, and nothing ever leaves your device.

Drag & drop files here, or click to browse

Supports .csv, .xlsx, .xls — multiple files allowed

Step 2 — Loaded Files

No files loaded yet.

Process Log

Step 3 — Configure & Merge

Date Column

Step 4 — Download

Output File Name

.xlsx