Lock Mandatory Field Format For Free

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

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

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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

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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 Mandatory Field Format For Free

Lock Mandatory Field Format: easy document editing

Document editing has turned into a routine task for those familiar to business paperwork. It is possible to edit a PDF or Word file, using numerous programs to change documents. Nevertheless, downloadable apps take up space on your device while reducing its performance. Using PDF templates online, on the other hand, helps keeping your computer running at optimal performance.

Luckily, you now have the option to avoid all these complications by working on your papers online.

Using modern-day document processing solutions like pdfFiller, editing documents online has never been easier. It supports not only PDFs but other formats, such as Word, JPG and PNG images, PowerPoint and much more. Create a new document yourself or upload it from your device in one click. In fact, all you need to start editing with pdfFiller is an internet-connected device and a pdfFiller subscription.

Proceed to the fully-featured text editing tool for starting to modify your documents. It features a range of tools you can use to personalize your template's layout making it look professional. At the same time, the pdfFiller editing tool lets you edit pages in your form, place fillable fields, include images and visual elements, modify text alignment and spacing, and so on.

Use one of these methods to upload your document and start editing:

01

Drag and drop a document from your device.

02

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

03

Search for the form you need in our catalog.

04

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

05

Browse the Legal library.

Once your document uploaded to pdfFiller, it is saved to your My Docs folder instantly. pdfFiller stores your data encrypted and on remote server, to provide you with extra level of security. It means that they cannot be lost or accessed by anybody else except yourself. Manage all the paperwork online in one browser tab and save your 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 you lock comments in PDF?

You may try this. Once you are done commenting a file, you may use locked option under properties of those comments. To do that go to comments pane right-click on the comment> Properties > Appearance and choose locked.

How do you save a PDF, so it Cannot be edited?

Click the “Printing Allowed” drop-down menu to allow printing of the PDF in low or high resolution, or select “None” to disable printing without the password. Click the “Changes Allowed” drop-down menu to allow specific changes to the document, or select “None” to allow no changes to the PDF. Click the “OK” button.

How do you convert a PDF to a fillable form?

Step 1: Load the PDF File. Open your pre-existing PDF form in PDF element, or you can choose to open an existing form template. Step 2: Recognize Form Fields Automatically. Step 3: Fill and Save the Form.

How do you enforce a field in a PDF form?

Open the PDF form. Right-click on the form field > click on Properties > click General. Select Required. Click on Actions. Under Select Trigger, select On Blur. Select Run a JavaScript under Select Action. Insert the following text:

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