PDF Merge is a free online tool. Merge PDF files No signup required - use it directly in your browser.

Yes, all tools provided by WebTools are completely free to use with no signup required.

Absolutely safe. All data processing happens locally in your browser. Nothing is uploaded to any server, ensuring your privacy is fully protected.

Do I need to install software to use PDF Merge?

No installation needed. All tools run in your browser - just open the page and start using them immediately.

Are my PDF files uploaded to a server?

No. All merging is performed locally in your browser using JavaScript. Your files never leave your device and are not uploaded to any server.

Is there a file size limit?

Since processing happens in your browser, the limit depends on your device's available memory. Most modern devices can handle files up to several hundred megabytes without issues.

How many PDFs can I merge at once?

There is no fixed limit on the number of files. However, merging many large files may require significant memory and could slow down on older devices.

Does merging reduce PDF quality?

No. The merge process combines the pages as-is without re-encoding or compressing the content. The quality of the original files is preserved.

Can I reorder pages within a PDF?

This tool merges entire PDF files in the order you specify. For reordering individual pages within a PDF, a dedicated PDF page editor would be needed.

What browsers are supported?

The PDF merge tool works on all modern browsers including Chrome, Firefox, Safari, and Edge. Ensure your browser is up to date for the best performance.

PDF Merge

Combine multiple PDF files into a single document with our free online PDF merge tool. Drag and drop your files, reorder them as needed, and merge them instantly. All processing happens directly in your browser — your PDF files are never uploaded to any server, ensuring complete privacy.

Drop PDF files here, or click to upload

Supports PDF files

Merge Multiple PDF Files Into One

Merge multiple PDF files into a single document
Drag and drop to add files or click to browse
Reorder files before merging with simple drag-and-drop
Remove individual files from the merge list
Preview page count for each file before merging
Fast, browser-based merging — no upload required
All processing happens locally — your files never leave your device

How to Merge PDF Files

1
Add your PDF files
Drag and drop PDF files onto the tool or click to browse and select files from your device.
2
Reorder if needed
Drag files into your desired order. The merged PDF will follow this sequence.
3
Remove unwanted files
Click the remove button on any file you don't want included in the final merge.
4
Merge and download
Click the merge button to combine all files and download the resulting PDF.

PDF Merge

Merge Multiple PDF Files Into One

How to Merge PDF Files

Frequently Asked Questions

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PDF Merge

Merge Multiple PDF Files Into One

How to Merge PDF Files

Frequently Asked Questions

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