Is Sign PDF completely free?

Yes, Sign PDF is 100% free with unlimited signatures, no registration required, and no file size limits.

Can I sign multiple pages in one PDF?

Yes, you can add signatures to any page in your PDF document. Use the page navigation at the bottom to move between pages and add multiple signatures as needed.

Is my PDF file safe and private?

Yes, all files are processed entirely in your browser. Your PDF never uploads to our servers, meaning complete privacy and zero data storage.

What file formats does Sign PDF support?

Sign PDF works with standard PDF files only. Your signed document downloads as a PDF, compatible with all devices and software.

Does Sign PDF work on mobile devices?

Yes, Sign PDF works on iPhone, iPad, Android phones and tablets. Simply upload your PDF and draw or import your signature using your touch screen.

Can I use an image of my signature?

Yes, click 'Upload Image' to add a pre-made signature PNG, JPG, or GIF file. You can also draw your signature directly in the tool.

How many times can I sign documents?

Unlimited times. There are no restrictions on how many PDFs you can sign or how many signatures you can add per document.

Do I need software installed to use this?

No software installation needed. Sign PDF works directly in your web browser on Windows, Mac, Linux, iOS, and Android.

free

Sign PDF — free

Add your signature to PDF documents online for free.

PDF Document

Click or drag a PDF file here

PDF files only

Signature Image

Click to upload signature image

PNG with transparent background recommended

How to use Sign PDF

Upload Your PDF Document

Click the 'Choose File' button in the center of the page or drag and drop your PDF directly into the upload area. Your file will be processed immediately in your browser without leaving your device.

Draw or Import Your Signature

Select 'Draw Signature' to create one using your mouse or touchpad, or click 'Upload Image' to add a pre-made signature file. Position your signature on the PDF by clicking and dragging it to the desired location.

Adjust Size and Position

Resize your signature using the corner handles and drag it to align perfectly with signature lines. Click anywhere else on the document to deselect and preview your signed PDF.

Download Your Signed PDF

Click the green 'Download' button at the bottom right to save your signed PDF to your device. Your file is ready to use, print, or email immediately.

Frequently Asked Questions

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