Merge PDF Online Free
Combine multiple PDF files into one document. Fast, free and secure. Files never leave your browser.
🔒100% Secure
⚡Instant Processing
💸Always Free
📱Works on Mobile
Drop PDF files here
or click to browse files from your device
Supports multiple files • Any size • PDF only
How to Merge PDF Files
1
Upload Your PDF Files
Click the upload area or drag and drop your PDF files. You can select multiple files at once.
2
Arrange the Order
Drag and drop the files in the list to set the order you want them to appear in the final PDF.
3
Click Merge PDF
Hit the Merge PDF button and wait a few seconds while your files are combined.
4
Download Your File
Download the merged PDF instantly. Your file is ready to use immediately.
Frequently Asked Questions
Is it free to merge PDF files on ToolzJet?
Yes, merging PDF files on ToolzJet is completely free. There are no hidden fees, no subscription required, and no file size limits. You can merge as many files as you need without paying anything.
Are my PDF files safe and private?
Your files are 100% safe and private. All PDF processing happens directly in your browser using JavaScript. Your files are never uploaded to any server, so no one can access your documents.
How many PDF files can I merge at once?
You can merge as many PDF files as you need. There is no limit on the number of files you can combine into one PDF document.
Can I change the order of pages before merging?
Yes. After uploading your files you can drag and drop them to reorder them. The final merged PDF will follow the exact order you set in the list.
Does ToolzJet work on mobile devices?
Yes, ToolzJet works perfectly on all devices including smartphones and tablets. You can merge PDF files directly from your iPhone, Android or any mobile browser.
What is the maximum file size for merging PDFs?
There is no strict file size limit. However, very large files (over 500MB total) may be slow depending on your device's memory. For best performance we recommend keeping total file size under 200MB.