How do I use Merge PDF?

Simply upload your file using the upload area above, click the process button, and download your result. Merge PDF works entirely in your browser - no upload to servers required, ensuring your privacy and security.

Yes! All our tools are 100% free with no hidden costs, subscriptions, or limits. Use them as many times as you need, completely free forever.

Is my data safe and private?

Absolutely. All processing happens locally in your browser using JavaScript. Your files never leave your device, are never uploaded to any server, ensuring complete privacy and security. This makes our tools perfect for sensitive or confidential documents.

Do I need to create an account or sign up?

No registration required! Just visit the page, use the tool, and download your result. It's that simple. We believe in keeping things easy and accessible for everyone.

What file formats are supported?

Merge PDF supports all common file formats. The tool will automatically detect your file type and process it accordingly. If you have questions about a specific format, feel free to try it - the tool will let you know if it's supported.

Are there any file size limits?

No strict limits! Since all processing happens in your browser, you can process files of any size. Very large files may take slightly longer to process depending on your device's capabilities, but there are no artificial size restrictions.

Can I use this tool offline?

Yes! Once the page is loaded, the tool works entirely offline. This is because all processing happens in your browser - no internet connection needed for the actual conversion or processing.

How long does processing take?

Processing is usually instant or takes just a few seconds. The exact time depends on your file size and device performance. Since everything runs locally on your device, there are no upload/download delays.

Merge PDF

Combine multiple PDF files into a single document

Upload files

Drag or drop your files here or click to upload

or drag and drop PDF here

Select multiple files for this operation

How to Use

Follow these simple steps to get started in seconds

Upload File

Click or drag and drop your file into the upload area above

Adjust Settings

Configure options if needed, or use the default settings

Process

Click the process button and wait for instant conversion

Download

Download your processed file and use it anywhere

About Merge PDF

Merge PDF is a powerful, secure, and free online tool that runs entirely in your web browser. We don't upload your images to any server, ensuring 100% privacy for your sensitive files.

Why is it safe?

Unlike other tools, Merge PDF uses advanced WebAssembly and HTML5 technologies to process files directly on your device. Your data never leaves your computer, ensuring complete privacy and security for all your files.

Merge PDF

How to Use

Upload File

Adjust Settings

Process

Download

About Merge PDF

Why is it safe?

Frequently Asked Questions

How do I use Merge PDF?

Is it free to use?

Is my data safe and private?

Do I need to create an account or sign up?

What file formats are supported?

Are there any file size limits?

Can I use this tool offline?

How long does processing take?