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Lock Sum Application Gratis

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.

Drop document here to upload

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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

Note: Integration described on this webpage may temporarily not be available.

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

5.0

What do you like best?
Very handy and always dependable. It's easy to save and edit documents.
What do you dislike?
The price seems high compared to other online services.
Recommendations to others considering the product:
Consider lowering the price.
What problems are you solving with the product? What benefits have you realized?
Filling out PDF trade show applications, tax forms, and other work-related documents.

Kathryn Johnson

4.0

What do you like best? Ease of use, quick editing, icons help with the direction on what you are looking for. What do you dislike? Editing some previous text, automatically changes font. Recommendations to others considering the product: Best buy for your dollar. What problems are you solving with the product? What benefits have you realized? Saves time using the editor rather than print out paperwork to fill by hand.

Administrator in Construction

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

Learn how pdfFiller maintains data security

GDPR compliance

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.

Instructions and Help about Lock Sum Application Gratis

Lock Sum Application: edit PDF documents from anywhere

Document editing is a routine procedure performed by many individuals on a daily basis. There's a range of services out there to edit your PDF or Word document's content. The common option is to use desktop applications to edit PDF files, but they take up a lot of space on a computer and affect its performance. Processing PDF files online, on the other hand, helps keeping your computer running at optimal performance.

Now there is a right platform to start editing PDFs and more online.

pdfFiller is an all-in-one solution to store, produce, modify, sign and send your documents in one browser tab. It supports all primary document formats, such as PDF, Word, PowerPoint, images and Text. Upload documents from the device and edit in just one click, or create new form yourself. pdfFiller works across all devices with active internet connection.

pdfFiller provides a multi-purpose online text editing tool to rewrite the content of your document. It features a great range of tools that allows you to edit not only the form's content but its layout, to make it appear professional. Using pdfFiller, you can edit pages efficiently, set fillable fields anywhere on the document, add images, text formatting and digital signatures.

Use one of the methods below to upload your form and start editing:

01

Drag and drop a document from your device.

02

Open the Enter URL tab and insert the hyperlink to your sample.

03

Find the form you need from the online library using the search field.

04

Upload a document from cloud storage (Google Drive, Box, Dropbox, One Drive and others).

05

Browse the Legal library.

Access every form you worked on by simply navigating to the Docs folder. pdfFiller stores all the data encrypted on remote server, to provide you with extra level of security. It means they cannot be lost or accessed by anyone but yourself and users you share it with. Move all your paperwork online and save time.

For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.

What if I have more questions?

Contact Support

How do I lock a PDF form after filling it out?

Step 9 To lock your form so that users can only fill out your form, click the Protection tab on the right side toolbar, then select Restrict Editing. Enter the same password in both fields, then click the OK button to save the password.

How do I lock a PDF form that is fillable?

1 Answer. Select to add a password to “Restrict editing” and then select the restrictions you want to apply. Make sure that you save the file under a new filename after you apply these settings. This allows you to keep your unprotected file and send out the protected version.

How do you flatten PDF, so it Cannot be edited?

Make a backup copy of your PDF file. Open the copy and choose Advanced > PDF Optimizer. Click the Cleanup tab. Select Remove Hidden Layers Content and Flatten Layers, and then click OK. When prompted, save the Optimized PDF with another new name.

How do I lock a PDF after signing?

Choose a Signature from the Sign As menu. Enter the Password for the selected digital signature. Select an Appearance, or choose To create New Appearance. Enable Lock Document After Signing if this option is available.

Ready to try pdfFiller's? Lock Sum Application Gratis

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