Last updated on
Nov 13, 2025
Quickly edit documents online, add signatures, and send for signing — all from one easy-to-use solution you can access from anywhere.
What is an Online PDF Signer?
An online PDF signer is a digital tool designed to help you quickly and securely add legally - binding eSignatures to your PDF documents. It simplifies the signing process, eliminating the need for printing, scanning, or physical signatures while ensuring your documents remain professional and organized.
Why signing PDFs online is convenient and secure
Signing PDFs online streamlines the process, enabling you to manage everything digitally from anywhere. With platforms like pdfFiller, you gain access to advanced security features, including encryption, password protection, and audit trails, all while easily editing and signing your documents. These tools safeguard your sensitive information and ensure that every electronic signature is authenticated and legally binding.
Benefits of using an online PDF signer for document authentication
Using PDF signature tools enhances the efficiency of your workflows by enabling you to sign and send documents instantly. Digital signatures captured through platforms like pdfFiller also add authenticity to your PDF forms, complying with legal standards. Beyond convenience, this paperless solution helps reduce manual errors, improve collaboration, and support environmentally friendly practices.
Examples of online PDF signer usage
Signing documents online simplifies PDF workflows, providing a convenient and secure solution for users across industries like business, healthcare, and education. Common use cases include:
-
1.
-
2.
-
3.
-
4.
Try these PDF tools
Edit PDF
Quickly edit and annotate PDFs online.
Start now
Sign
eSign documents from anywhere.
Start now
Request signatures
Send a document for eSignature.
Start now
Share
Instantly send PDFs for review and editing.
Start now
Merge
Combine multiple PDFs into one.
Start now
Rearrange
Rearrange pages in a PDF document.
Start now
Compress
Compress PDFs to reduce their size.
Start now
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Start now
Create from scratch
Start with a blank page.
Start now
Edit DOC
Edit Word documents.
Start now
Collect legally binding electronic signatures the easy way
Edit, sign, send — done!
Customize your workflow
Send documents to a single recipient or an entire group. Assign roles, set a signing order, and schedule reminders for a smooth, error-free process.
Collect data efficiently
Create fillable PDF forms and let your recipients complete them from any device. Publish forms online or share them via a direct link to capture data and signatures without chasing people down.
Track and store documents
Get real-time visibility into the signing process and keep track of all your documents in one place. Your files are stored in secure cloud storage, so you can access them anytime and anywhere.
Share & collaborate
Need more eyes on a document before sending? Share it with the team to edit or highlight content, redact sensitive information, leave feedback, and exchange comments.
Maintain security & compliance
Collect signatures in compliance with ESIGN, UETA, eIDAS, and GDPR. Protect your documents with a password, request additional signer authentication, set document expiration dates, and more.
How to send a document for signature?
Upload
Upload your document to pdfFiller and click E-sign.
Add recipients
Choose who needs to sign and add as many recipients as you need.
Prepare
Drag and drop fillable fields on your document and assign them to specific recipients.
Finalize & send
Review your recipients, customize the signing order, set reminders, and hit Send.
Who needs this?
Explore how professionals use pdfFiller to get documents signed.
Sales
Quickly edit contracts, add eSignatures, and send them to clients or vendors for signing without leaving pdfFiller. Track who has signed and who still needs to take action, keeping your business running smoothly.
-
Service agreements
-
Vendor contracts
-
Non-disclosure agreements (NDAs)
-
Purchase orders
Human Resources
Create fillable PDF forms for offer letters, employment contracts, and onboarding documents. Let new hires complete and sign them from any device, making the onboarding process accessible and hassle-free for everyone.
-
Offer letters
-
Employment contracts
-
Non-compete agreements
-
Benefits enrollment forms
Legal
Share legal documents with your team for review or editing before sending them for signing. Speed up agreement negotiations by allowing all parties to share feedback and make quick edits without endless email chains.
-
Contracts and agreements
-
Power of attorney forms
-
Affidavits
-
Settlement agreements
Real Estate
Edit property agreements, add signature fields, and send them to buyers, sellers, or agents for signing. Send documents to a single recipient or an entire group, and track the signing process in real time to ensure timely closings.
-
Purchase agreements
-
Lease contracts
-
Property disclosure forms
-
Inspection reports
Education
Create fillable forms for permission slips, enrollment documents, or policy acknowledgments. Allow parents, students, or staff to complete and sign them from any device. Keep track of all signed documents in one secure place for easy access and compliance.
-
Permission slips
-
Enrollment forms
-
Scholarship applications
-
Teacher contracts
Finance
Edit financial agreements, add eSignatures, and send them to clients or stakeholders for signing. Allow clients to complete and sign online digital forms from anywhere to simplify loan applications, account openings, and authorizations.
-
Loan agreements
-
Investment contracts
-
Financial statements
-
Payment authorizations
Why sign documents with pdfFiller?
Ease of use
Users appreciate pdfFiller's intuitive interface and the ability to manage documents from anywhere without clunky desktop software.
More than eSignature
pdfFiller is a complete solution that offers PDF editing, eSignature, file storage, and collaboration under one roof.
For individuals and teams
Whether you work solo or with a team, pdfFiller equips you with all the tools to handle your daily document tasks.
pdfFiller scores top ratings on review platforms
Love it...with our computer system I can't figure out how to refile/reprint a claim with your PDFfiller form I can fill in the form print it and send it out.
PDFfiller is so user friendly. It helps immensely as a private practice owner where I need to fill-in pdf documents, convert to other formats, and insert verified signatures. I would recommend to other business owners.
What do you like best?
I like being able to streamline our company process with our patient's paperwork.
What do you dislike?
I use the Sign Now that the availability comes with the Platinum pkg. I found that I have to keep resubmitting every document I upload...I have to refresh the page. Every document I send out I have to refresh the page again. I know to clean my cookies and Cache and I still have to refresh.
What problems are you solving with the product? What benefits have you realized?
I love the fact that the clients can sign their documents as we wait instead of looking for an email or having to print it out sign it and then get it back to us.
I like being able to streamline our company process with our patient's paperwork.
What do you dislike?
I use the Sign Now that the availability comes with the Platinum pkg. I found that I have to keep resubmitting every document I upload...I have to refresh the page. Every document I send out I have to refresh the page again. I know to clean my cookies and Cache and I still have to refresh.
What problems are you solving with the product? What benefits have you realized?
I love the fact that the clients can sign their documents as we wait instead of looking for an email or having to print it out sign it and then get it back to us.
Pauline really helped me out a lot
Pauline really helped me out a lot. She answered all my questions and she was very patient with me. Overall she’s a great working.
An all in one PDF app for your files
One of the most complete and useful tool to work with your pdf files.
The amount of options to edit and do things with your PDF files is just amazing, for example in the editor feature you can add text, modify tables, add checkmarks, search and replace, edit text, makes notes and so on, and like this there are a lot of options for your file, like the possibility of add a personal sign, or insert and image, or make a password, this a really amazing app for your PDF fIles.
I really do not have any complain about this app, because it comes with all the tools that you need to work with your PDF files, even the free version as powerful as the pay one.
What do you like best?
I work remotely, don't have a staff or colleagues at my finger tips and find myself in constant need of sending out advertising agreements in an efficient manner. I have the ability with PDF filler to quickly revise and add to routine contracts efficiently.
What do you dislike?
The process, of saving and downloading revisions sometimes requires extra clicks and can be simplified.
Recommendations to others considering the product:
a good option for a quick fix
What problems are you solving with the product? What benefits have you realized?
Quick revisions are customization are the greatest benefits for my work
Watch pdfFiller eSignatures in action
Check out a quick video tutorial that shows how to create and place your signature or send a document for signing.
What businesses achieve with pdfFiller
Discover how you can benefit too.
Can I sign documents on my mobile device?
pdfFiller, with all its features, is fully mobile-compatible. You can edit and sign your PDF document directly from your smartphone or tablet. Choose the pdfFiller mobile app or access your PDF file through the browser-based platform, select your preferred signing method, and place your eSignature with ease—all while on the go.
Is an eSignature created with pdfFiller legally binding?
The eSignatures generated through the online PDF signer tool comply with major global regulations such as the E-Sign Act and eIDAS. This ensures your signed documents are legally enforceable, making the platform ideal for contracts, agreements, or any other formal documentation.
Can pdfFiller’s online PDF signer handle bulk signing?
Yes, it can. The online PDF signer allows you to upload and sign multiple documents in one seamless session. This bulk signing capability significantly improves efficiency, especially for users managing high volumes of contracts, forms, or agreements.
Is my PDF document secure when signed with the pdfFiller’s electronic signature?
Security is a top priority for the pdfFiller. Advanced encryption, password protection, and audit trails ensure your documents are safely handled and stored. You can confidently sign and manage sensitive PDFs without worrying about data breaches or unauthorized access.
Can I request signatures from others using the online PDF signer?
Yes, the platform allows you to easily request eSignatures from others by emailing documents. The process includes electronic signature tracking, ensuring you can monitor the progress and receive notifications when the document is signed. In addition, it's a free PDF signature tool for recipients. They don't need an account to sign PDF document you've sent.