Create a legally-binding electronic signature and add it to contracts, agreements, PDF forms, and other documents – regardless of your location. Collect and track signatures with ease using any device.
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Last updated on
Jan 16, 2026
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Instantly send PDFs for review and editing.
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Combine multiple PDFs into one.
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Upload a document
Generate your customized signature
Adjust the size and placement of your signature
Download, share, print, or fax your signed document
Every eSignature tool you need – inside a powerful PDF software
eSignature solution
Document tracking
Enhanced productivity
Custom branding
Security & compliance
eSign documents and collect signatures
Easily fill, edit, and sign your PDF documents in a single application, on any device.
Type, draw, or use a signature converter to create an eSignature from a picture of your handwritten autograph.
Create fillable PDFs and send them for signature to one or multiple recipients.
Set signer roles and customize a signing order.
Get visibility into the signing process
Receive instant alerts once signatures are in place.
Specify CC’d recipients and set actions upon document completion.
Monitor changes in your documents with audit trails.
Speed up your approval workflows
Send documents for signature faster by sharing them via short links.
Simplify data and signature collection by posting fillable PDF forms online.
Collect payments along with signed documents.
Showcase your branding when requesting signatures
Display your logo on signature invites, user notifications, and in the eSignature editor.
Customize an email message for your eSignature invites.
Redirect signers to your website once they complete your document.
Maintain industry-leading security and compliance
Authenticate signers via a password.
Make your document workflows compliant with industry-specific regulations, including HIPAA.
Secure the authenticity of a document with a unique ID.
Set an expiration date for your document.
Join the world’s largest companies
Employees at these companies use our products.
How to Add a Signature to PDF (and Send it Out for Signature)
Watch the video guide to learn more about pdfFiller's online Signature feature
pdfFiller scores top ratings in multiple categories on G2
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— from 710 reviews
4.0
How I spent an hour filling out fields, then was forced into a trial through the threat of losing my doc if I did not comply with trial? that? that was messed up. the app is amazing. but that first experience overshadows.
Anonymous Customer
5.0
### Title: "Streamlined Efficiency: My Positive Experience with pdfFiller"
### Review of My Experience with pdfFiller
I have had a great experience using pdfFiller so far! Here are some highlights:
#### 1. **User-Friendly Interface**
- The dashboard is intuitive and easy to navigate, making it simple to access my documents and templates.
- The layout is clean, which reduces the time spent searching for features.
#### 2. **Efficient Document Management**
- Uploading and organizing my documents has been a breeze. The ability to categorize and label files helps keep everything in order.
- The search functionality allows me to quickly find specific documents without hassle.
#### 3. **Versatile Templates**
- pdfFiller offers a wide range of templates that cater to various needs, from legal forms to business documents.
- Customizing templates is straightforward, allowing me to tailor them to my specific requirements.
#### 4. **Seamless E-signature Process**
- Sending e-signature requests is quick and efficient. I appreciate the tracking feature that lets me know when a document has been signed.
- The signing process is user-friendly for recipients, ensuring a smooth experience for everyone involved.
#### 5. **Great Customer Support**
- Whenever I had questions or needed assistance, the customer support team was responsive and helpful.
- They provided clear guidance, which enhanced my overall experience with the platform.
### Conclusion
Overall, my experience with pdfFiller has been excellent. The combination of a user-friendly interface, efficient document management, and robust e-signature capabilities makes it a valuable tool for anyone needing to work with PDFs. I highly recommend it to anyone looking for a reliable online PDF editor and form filler!
Afolabi Ogundele
Sign any document using pdfFiller’s eSignature service without hassle
Add your virtual signature in just a few simple steps – without a scanner or printer.
Upload
Upload your document to pdfFiller and open it in the editor.
Sign
Generate and save your electronic signature using the method you find most convenient.
Tweak
Resize your signature and adjust its placement on a document.
Retrieve
Save a signed, printable document on your device in the format you need or share it via email, a link, or SMS. You can also instantly export the document to the cloud.
Upload document
Why choose pdfFiller for eSignature and PDF editing?
Cross-platform solution
Upload your document to pdfFiller and open it in the editor.
Unlimited document storage
Generate and save your electronic signature using the method you find most convenient.
Widely recognized ease of use
Resize your signature and adjust its placement on a document.
Reusable templates & forms library
Save a signed, printable document on your device in the format you need or share it via email, a link, or SMS. You can also instantly export the document to the cloud.
The benefits of electronic signatures
Bid farewell to pens, printers, and paper forms.
Efficiency
Enjoy quick document signing and sending and reclaim hours spent on paperwork.
Accessibility
Sign documents from anywhere in the world. Speed up business transactions and close deals even while on the go.
Cost savings
Eliminate the need for paper, printing, scanning, and postage to significantly cut your operational costs.
Security
Protect your transactions with advanced encryption and audit trails. Electronic signatures ensure a higher level of security than traditional signatures.
Legality
Electronic signatures are legally recognized in most countries around the world, providing the same legal standing as a handwritten signature.
Sustainability
By eliminating the need for paper, electronic signatures contribute to environmental sustainability.
Enjoy straightforward eSignature workflows without compromising data security
Regulates the use and holding of personal data belonging to EU residents.
SOC 2 Type II Certified
Guarantees the security of your data & the privacy of your clients.
PCI DSS certification
Safeguards credit/debit card data for every monetary transaction a customer makes.
HIPAA compliance
Protects the private health information of your patients.
CCPA compliance
Enhances the protection of personal data and the privacy of California residents.
Fill In Sign in Docx: Streamline Your Document Signing Process
The Fill In Sign in Docx feature simplifies the way you manage signatures in your documents. This tool enhances your workflow by allowing users to fill in and sign documents directly in a familiar Word format. No more printing, signing, and scanning; you can now handle everything online.
Key Features
Fill and sign documents easily within the Docx format
User-friendly interface that requires no special training
Instant notifications when documents are signed
Secure cloud storage for your signed documents
Compatible with various devices and operating systems
Potential Use Cases and Benefits
Contract signing for freelancers and businesses
Employee onboarding processes with simple document management
Legal agreements that require quick and secure signatures
Real estate transactions needing efficient document flow
Collaboration on team projects with shared document signing
This feature addresses common problems like time delays and inefficiencies in document signing. By implementing the Fill In Sign in Docx feature, you can reduce the time spent on paperwork, enhance collaboration, and ensure secure storage. It transforms the signing process from cumbersome to simple, allowing you to focus on what truly matters.
Fill In Sign in DOCX: simple document editing in various formats
pdfFiller ensures fast and hassle-free DOCX editing without users having to search and install any software. Save time by doing all the editing on the web with pdfFiller’s drag and drop interface and gain access to powerful features that enable you to make adjustments in your template in a snap. Just add your DOCX file and begin working on it right away.
Along with its advanced editing features, pdfFiller delivers the ease of use and flexibility other document management solutions are lacking. You can make changes in your DOCX file online with your desktop or mobile device. The latter enables you to work with your documents from any place as long as you have an internet connection.
The best thing is that pdfFiller can do more than edit DOCX files. It is comprehensive platform for paperless document management with all the features of a document editor, form| builder, and signature solution under its hood. With pdfFiller, you can easily edit and annotate PDFs, make dynamic fillable forms, add legally-valid signatures, and send out documents to other people to fill in and design. With such a collection of capabilities, pdfFiller routinely accelerates the daily document workflows of its users.
How to Fill In Sign in DOCX with pdfFiller:
01
Upload your DOCX file to pdfFiller by hovering over the ADD NEW button and then choosing Upload Document. Browse your device for the document you need to edit or drag and drop it to the upload box.
02
Select the template you’ve just uploaded and click on Open.
03
Make changes in your DOCX file in the drag and drop web-based editor.
04
Hit the Done button to save your changes.
05
Download your edited DOCX by clicking on Download in the right-side toolbar of the dashboard. Alternatively, send your document via email or an active link.
Every document you add to your pdfFiller account is stored in the DOCS folder. You can organize documents into several folders and add tags to them for quick searches. pdfFiller assists users keep their records secure by complying with the world’s top security standards.
How to Use the Fill In Sign in Docx Feature
The Fill In Sign in Docx feature is a powerful tool that allows you to easily fill in and sign documents in the Docx format. Follow these simple steps to make the most out of this feature:
01
Upload your Docx file to pdfFiller. You can do this by clicking on the 'Upload' button on the homepage and selecting your file from your computer or cloud storage.
02
Once your file is uploaded, click on the 'Fill In Sign' option in the toolbar at the top of the page.
03
The Fill In Sign tool will open on the right side of the screen. Here, you can choose from various options to fill in and sign your document.
04
To fill in text fields, simply click on the field and start typing. You can customize the font, size, and color of the text to match your preferences.
05
If you need to add a signature, click on the 'Signature' option in the Fill In Sign tool. You can choose to draw your signature using your mouse or touchpad, upload an image of your signature, or use a pre-saved signature from your pdfFiller account.
06
Once you have filled in all the necessary fields and added your signature, review the document to ensure everything is correct.
07
Finally, click on the 'Done' button to save your changes. You can choose to download the filled and signed document in the Docx format or share it with others via email or a direct link.
By following these steps, you can easily fill in and sign your Docx documents using the Fill In Sign feature in pdfFiller. Enjoy the convenience and efficiency of this powerful tool!
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