Merge PDF Files Online Free
Combine multiple PDFs into one document. Works entirely in your browser — nothing is uploaded to any server.
Drop PDF files here
or click to browse · Up to 50MB total (free tier)
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Premium: batch merge 50+ PDFs, 500MB files, no ads, API access. Support ToolHive.
Go Premium — $4.99/moFrequently Asked Questions
Is it safe to merge PDF files online?
Yes. This tool runs entirely in your browser using JavaScript. Your PDF files are never uploaded to any server. All processing happens locally on your device.
Can I reorder pages before merging?
Yes. After adding your files, drag and drop them to reorder. The merged PDF will combine files in the displayed order.
What's the maximum file size?
Free tier: up to 50MB total, 10 files per merge. Premium: up to 500MB per file, unlimited files.
What if my PDF is password protected?
Password-protected PDFs cannot be merged. You'll need to remove the password first using a PDF unlock tool.