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Sign PDF Online for Free

Sign your PDFs instantly in just three steps—100% free, zero hassle, no sign-up, no watermarks, and your data stays on your device.

TRUSTED BY 40,000+ BUSINESSES WORLDWIDE

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4.7/5

TRUSTED BY 40,000+ BUSINESSES WORLDWIDE
G2 Logo

4.7/5

Upload, Sign, Download—Simple!

Sign as many PDFs as you need—just upload, add your signature, and download. Simple and free.
Upload PDF

Upload PDF

Drag and drop your PDF files or click to upload from your device.

Sign Document

Sign Document

Place the signature field where needed and draw your signature.

Download Signed PDF

Download Signed PDF

Click Download to save your signed PDF instantly.

Need More Than Just Signing?

If you need to request signatures from others and ensure your documents are legally binding, BoldSign’s paid plans are a great, affordable option. With BoldSign, you can easily send documents for eSignature, track their statuses, and get a full audit trail for compliance.

Why Choose Our Sign PDF Tool?

Add your signature to any PDF in just a few clicks—no sign-up, no fees, no watermarks.
Your Files Stay Private

Your Files Stay Private

All signing happens securely in your browser. We never upload, store, or access your files.

Works on Any Device

Works on Any Device

Use it on Windows, Mac, Linux, iPhone, or Android—no app or software installation needed.

Fast and Effortless

Fast and Effortless

Upload, sign, and download your PDF in seconds. No setup, no waiting.

What Makes BoldSign Stand Out

Our eSignature web app and APIs offer a comprehensive solution, providing all the essential features needed for enterprises and small businesses. Some of its key features are:

Unlimited documents

Unlimited documents

Enjoy sending unlimited documents and the ability to access and store documents whenever needed.

Unlimited templates

Unlimited templates

Create unlimited templates by turning your frequently used contracts to save time and to streamline the process.

Track document changes

Track document changes

Stay on top of all your pending documents and receive notifications about any changes in the status.

Automated reminders

Automated reminders

Accelerate the signing process by setting up automated reminders to prompt signers if the document is incomplete.

Signer authentication

Signer authentication

Enhance security by adding authentication to confirm the signer's identity and protect the document from unauthorized access.

Download audit trail

Download audit trail

Access the audit trail document to obtain a complete record of all information related to the document.

Multiple form fields

Multiple form fields

Choose from over 15+ form fields, including signature, dropdown, and attachment, to get desired details from signers.

Multiple form fields

Multiple languages

BoldSign offers support for 14 languages, which allows you to translate the signer pages and emails.

Secure and legal compliance

Secure and legal compliance

BoldSign is fully compliant with legal standards and provides a secure platform for storing and transmitting data.

Request Signatures

Request signatures

Send documents to others to collect their signatures, all from a single platform.

Legally Binding Signatures

Legally binding signatures

E-signatures collected through Boldsign are compliant with industry standards, making them legally binding.

Legally Binding Signatures

Effortless management

Manage all your signed documents in one place, with easy access to your signature requests.

Why Free?

We built this tool to make PDF signing fast and simple—no fees, no sign-up, no catch. It’s our way of introducing BoldSign, our full-featured eSignature solution trusted by 40,000+ businesses.

Frequently asked questions

Yes, our tool is completely free to sign with, with no hidden fees or limits.

No, you can sign PDFs without creating an account. Just upload your document, sign it, and download it again.

Absolutely. Our tool operates entirely on the client side, meaning your documents never leave your device. We do not store or access your files.

Yes, our PDF signing tool is mobile-friendly and works on all devices, including smartphones and tablets.

Simply upload or drag and drop your PDF, drag the signature field onto the document, draw your signature, and then place it wherever needed.

Currently, our tool allows you to sign one PDF at a time.

No, you can sign as many PDFs as you like without any restrictions.

Yes, before finalizing it, you can adjust the size and position of your signature. Once you are satisfied, you can download the signed PDF.