Merge PDF Files Online for Free
Combine multiple PDF documents into a single file with ToolMint. Upload up to 25 PDFs, drag to reorder them, and download one merged document — all processed locally in your browser with zero uploads to any server.
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Drop your PDFs here or browse
Upload and merge up to 25 PDFs. Everything is merged locally in your browser.
How to Merge PDF Files Online
1
Upload PDFs
Drag & drop or select up to 25 PDF files from your device.
2
Reorder files
Drag the thumbnails into your preferred page order.
3
Merge
Click Merge and the files are combined instantly in your browser.
4
Download
Save the single merged PDF to your device.
Frequently Asked Questions
- How many PDFs can I merge at once?
- You can merge up to 25 PDF files in a single session on ToolMint.
- Can I reorder pages before merging?
- Yes. After uploading, drag and drop the file thumbnails to arrange them in any order before merging.
- Is it safe to merge PDFs on ToolMint?
- Absolutely. Merging happens entirely in your browser — your files are never uploaded to a server.
- Does merging PDFs reduce quality?
- No. ToolMint combines files without re-encoding, so text, images, and formatting stay exactly as they are.
- Do I need to sign up to use the PDF merger?
- No. ToolMint is 100% free with no signup, no account, and no watermarks.