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Fill & Sign PDF Online — Free PDF Signature Tool

Fill out PDF forms and add your electronic signature in seconds. Draw your signature with a mouse or touchscreen, type it in a handwriting font, or upload a signature image. Free, private, and legally valid.

Fill & Sign — Free

No account needed. Your documents stay on your device.

How to Fill and Sign a PDF

1

Open Your PDF Form

Drag your PDF into the editor or select the file. The form opens instantly and you can start filling it out right away.

2

Fill in the Fields

Click on form fields to type your information. For non-fillable forms, use the text tool to place text over blank lines and boxes.

3

Add Your Signature

Create your signature by drawing it with your mouse or finger, typing your name in a handwriting font, or uploading a signature image.

4

Download Signed PDF

Save the completed and signed PDF. Your signature and form data are embedded into the document for sharing or filing.

Why Use Our Fill & Sign Tool

Complete forms and add signatures without printing, scanning, or mailing documents.

Draw Your Signature

Use your mouse, trackpad, or touchscreen to draw your natural signature. The result looks authentic and personal, just like signing on paper.

Type Your Signature

Type your name and choose from several handwriting-style fonts. This creates a clean, consistent signature that looks professional on any document.

Upload Signature Image

Upload a photo or scan of your handwritten signature. The background is automatically removed so it blends seamlessly with the document.

Fill Any PDF Form

Works with both interactive fillable forms and flat non-fillable PDFs. Click on form fields or place text boxes over blank areas to fill in your information.

Add Dates & Initials

Beyond signatures, add dates, initials, checkmarks, and other common form elements. Everything you need to complete any document is available.

Complete Privacy

Your forms and signatures are processed locally in your browser. Nothing is uploaded. Your personal information and signature data remain entirely on your device.

Complete Guide to Filling and Signing PDFs

The Evolution of Electronic Signatures

Electronic signatures have transformed how business and personal documents are executed. What once required printing a document, signing it by hand with ink, and then scanning or mailing the signed copy can now be accomplished in seconds from any device with a web browser. The legal framework for electronic signatures has been firmly established in most countries. In the United States, the Electronic Signatures in Global and National Commerce Act, enacted in 2000, gives electronic signatures the same legal standing as handwritten signatures for most transactions. The European Union has similar legislation through the eIDAS regulation.

These laws recognize that what matters is the signer's intent to sign, not the physical method used to create the mark. This means that drawing your signature with a mouse, typing your name in a signature font, or placing a saved signature image on a document all carry legal weight when the signer intended to execute the document. Our fill-and-sign tool enables you to create legally valid electronic signatures quickly and conveniently, without the delays and waste associated with print-sign-scan workflows. Whether you are signing a lease, an employment agreement, a medical consent form, or a business contract, our tool provides a fast and legally sound method for getting documents signed.

Filling Out PDF Forms Effectively

PDF forms come in two varieties, and our tool handles both. Interactive fillable forms contain embedded form fields that you can click and type into directly. These fields are created by the form designer and include text fields, checkboxes, radio buttons, dropdown menus, and signature fields. When you open a fillable form in our editor, the interactive fields are automatically detected, and you can tab between them and fill in your information.

Non-fillable forms, also called flat forms, are simply PDF pages that look like forms but do not contain interactive fields. These are common with scanned paper forms, older PDFs, and forms created in design software without form field support. For non-fillable forms, our text tool lets you place text precisely over the blank lines and boxes on the form. Zoom in to ensure accurate placement, match the font size to the form fields, and type your information. You can also add checkmarks, X marks, and circles to select options on the form. Both approaches produce a professional-looking completed form that can be shared electronically or printed for physical submission.

Creating Professional Electronic Signatures

The appearance of your electronic signature matters, especially on professional and legal documents. Our tool offers three methods for creating signatures, each with its own advantages. Drawing your signature produces the most natural and personal result. Use a mouse, trackpad, or touchscreen to write your name as you normally would. Drawing on a touchscreen with a stylus produces particularly authentic results that closely mimic pen-on-paper signatures. If drawing is not practical, our typed signature option lets you type your name and select from a collection of handwriting-style fonts. This produces a consistent, clean signature that looks professional on every document.

The typed approach is especially popular for business documents where a polished appearance is preferred over a hand-drawn look. The third option is uploading an image of your actual handwritten signature. Sign a blank piece of white paper, take a photo with your phone, and upload it. Our tool automatically removes the white background and converts your signature into a clean transparent overlay that can be placed on any document. Once you create a signature using any method, you can save it for reuse on future documents, eliminating the need to recreate it each time.

Security and Privacy When Signing Documents Online

Signing documents online raises legitimate security questions, and our tool addresses them comprehensively. Unlike cloud-based e-signature services that upload your documents and signatures to their servers, our fill-and-sign tool processes everything locally in your web browser. Your PDF form, the personal information you type into it, and your signature data never leave your device. There is no server interaction, no account creation, and no data retention of any kind.

This local-processing approach provides the highest level of privacy for sensitive documents such as employment contracts containing salary information, medical forms with health data, financial agreements with account numbers, and legal documents with confidential terms. You do not need to trust a third-party service with your data because there is no third party involved. For organizations with strict data handling requirements, this browser-based approach satisfies compliance needs without the overhead of evaluating vendor security practices, signing data processing agreements, or conducting security audits. When you close the browser tab, all data associated with your session is immediately cleared from memory.

How We Compare

FeatureZentDocAdobe AcrobatOther Online Tools
Draw signatureYesYesUsually
Type signatureYesYesSometimes
Upload signature imageYesYesRare
Fill interactive formsYesYesUsually
Fill non-fillable formsYesYesLimited
Free to useYes$239.88/yrFreemium
No file uploadYesN/A (desktop)No
No watermarksYesYesOften added

Frequently Asked Questions

Is an electronic signature legally binding?

Yes. In the United States, the ESIGN Act and UETA give electronic signatures the same legal validity as handwritten signatures for most documents. Similar laws exist in the EU, UK, Canada, Australia, and most other countries. Our tool creates legally recognized electronic signatures.

How do I add a signature to a PDF?

Open your PDF, select the signature tool, and create your signature by drawing it, typing your name, or uploading an image. Then click on the document where you want to place the signature. Resize and position it as needed, then download the signed PDF.

Can I fill out a non-fillable PDF form?

Yes. For non-fillable forms, use the text tool to place text directly over the blank spaces on the form. You can match the font and size to the form fields for a professional appearance. This works great for scanned forms and flat PDFs.

Can I save my signature for reuse?

Yes. After creating your signature, you can save it locally for use on future documents. This means you only need to create your signature once, and you can apply it to new PDFs with a single click going forward.

Is my signature data stored on your servers?

No. Your signature and all form data are processed entirely in your browser and stored only on your device. Nothing is uploaded to any server. Your signature data is never accessible to anyone but you.

Can I add initials and dates as well as signatures?

Yes. In addition to full signatures, you can add initials, dates, checkmarks, and other common form elements. Create your initials once and reuse them throughout the document wherever they are required.

Does this work on phones and tablets?

Yes. Our fill-and-sign tool works on any device with a modern web browser. Drawing your signature on a touchscreen device like a phone or tablet produces particularly natural results since you can use your finger or stylus.

Can I send the signed PDF to others for their signatures?

After signing, download the PDF and send it to the next signer via email or any file sharing method. They can open it in our tool to add their own signature. Each person signs and forwards the document until all signatures are collected.

Ready to Fill & Sign Your PDF?

Complete forms and add your signature in seconds. Free, private, and legally valid.

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