How does signature verification work?

Verifying a signature will tell you if the signed data has changed or not. When a digital signature is verified, the signature is decrypted using the public key to produce the original hash value. The data that was signed is hashed. If the two hash values match, then the signature has been verified.

How is online signature verification done?

Signature verification technology requires primarily a digitizing tablet and a special pen connected to the universal serial bus port (USB port) of a computer. An individual can sign on the digitizing tablet using the special pen regardless of his signature size and position.

How does signature airSlate SignNow verify?

Log in to your account or register a new one. Upload a document and click Open in airSlate SignNow. Modify the document. Sign the PDF using the My Signature tool.

Is airSlate SignNow legally binding?

airSlate SignNow documents are also legally binding and exceed the security and authentication requirement of ESIGN. Our eSignature solution is safe and dependable for any industry, and we promise that your documents will be kept safe and secure.

Electronic Signature
Features
Other
Forward Countersignature Signature

Forward Countersignature Signature with airSlate SignNow

Get rid of paper and automate digital document management for increased efficiency and endless possibilities. Sign any papers from your home, quick and professional. Explore the perfect manner of running your business with airSlate SignNow.

Electronic Signature
Features
Other
Forward Countersignature Signature

Sign documents online

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Collect payments & signatures

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Add wet ink signature online

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Sign documents on iPhone or iPad

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Award-winning eSignature solution

Get the robust eSignature capabilities you need from the company you trust

Whether you’re presenting eSignature to one department or across your entire business, the procedure will be smooth sailing. Get up and running swiftly with airSlate SignNow.

airSlate SignNow works with the applications, services, and gadgets you already use. Easily embed it straight into your existing systems and you’ll be productive immediately.

Boost the efficiency and output of your eSignature workflows by providing your teammates the ability to share documents and templates. Create and manage teams in airSlate SignNow.

Go beyond eSignatures and forward countersignature signature. Use airSlate SignNow to negotiate contracts, gather signatures and payments, and speed up your document workflow.

Remove paper with airSlate SignNow and minimize your document turnaround time to minutes. Reuse smart, fillable form templates and deliver them for signing in just a couple of clicks.

Manage legally-binding eSignatures with airSlate SignNow. Run your business from any location in the world on nearly any device while ensuring high-level security and conformity.

See airSlate SignNow eSignatures in action

Create secure and intuitive eSignature workflows on any device, track the status of documents right in your account, build online fillable forms – all within a single solution.

Try airSlate SignNow with a sample document

Complete a sample document online. Experience airSlate SignNow's intuitive interface and easy-to-use tools
in action. Open a sample document to add a signature, date, text, upload attachments, and test other useful functionality.

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Checkboxes and radio buttons

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Request an attachment

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Set up data validation

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airSlate SignNow solutions for better efficiency

Keep contracts protected

Enhance your document security and keep contracts safe from unauthorized access with dual-factor authentication options. Ask your recipients to prove their identity before opening a contract to forward countersignature signature.

Stay mobile while eSigning

Install the airSlate SignNow app on your iOS or Android device and close deals from anywhere, 24/7. Work with forms and contracts even offline and forward countersignature signature later when your internet connection is restored.

Integrate eSignatures into your business apps

Incorporate airSlate SignNow into your business applications to quickly forward countersignature signature without switching between windows and tabs. Benefit from airSlate SignNow integrations to save time and effort while eSigning forms in just a few clicks.

Generate fillable forms with smart fields

Update any document with fillable fields, make them required or optional, or add conditions for them to appear. Make sure signers complete your form correctly by assigning roles to fields.

Close deals and get paid promptly

Collect documents from clients and partners in minutes instead of weeks. Ask your signers to forward countersignature signature and include a charge request field to your sample to automatically collect payments during the contract signing.

Collect signatures

24x

faster

Reduce costs by

$30

per document

Save up to

40h

per employee / month

Our user reviews speak for themselves

Kodi-Marie Evans

Director of NetSuite Operations at Xerox

airSlate SignNow provides us with the flexibility needed to get the right signatures on the right documents, in the right formats, based on our integration with NetSuite.

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Samantha Jo

Enterprise Client Partner at Yelp

airSlate SignNow has made life easier for me. It has been huge to have the ability to sign contracts on-the-go! It is now less stressful to get things done efficiently and promptly.

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Megan Bond

Digital marketing management at Electrolux

This software has added to our business value. I have got rid of the repetitive tasks. I am capable of creating the mobile native web forms. Now I can easily make payment contracts through a fair channel and their management is very easy.

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Honest pricing for full-featured plans. airSlate SignNow offers subscription plans with no overages or hidden fees at renewal.
Enterprise-grade security. airSlate SignNow helps you comply with global security standards.

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Your step-by-step guide — forward countersignature signature

Access helpful tips and quick steps covering a variety of airSlate SignNow’s most popular features.

Using airSlate SignNow’s eSignature any business can speed up signature workflows and eSign in real-time, delivering a better experience to customers and employees. forward countersignature signature in a few simple steps. Our mobile-first apps make working on the go possible, even while offline! Sign documents from anywhere in the world and close deals faster.

Follow the step-by-step guide to forward countersignature signature:

Log in to your airSlate SignNow account.
Locate your document in your folders or upload a new one.
Open the document and make edits using the Tools menu.
Drag & drop fillable fields, add text and sign it.
Add multiple signers using their emails and set the signing order.
Specify which recipients will get an executed copy.
Use Advanced Options to limit access to the record and set an expiration date.
Click Save and Close when completed.

In addition, there are more advanced features available to forward countersignature signature. Add users to your shared workspace, view teams, and track collaboration. Millions of users across the US and Europe agree that a solution that brings everything together in one unified digital location, is the thing that businesses need to keep workflows functioning smoothly. The airSlate SignNow REST API enables you to embed eSignatures into your application, internet site, CRM or cloud storage. Check out airSlate SignNow and enjoy quicker, easier and overall more efficient eSignature workflows!

How it works

Open & edit your documents online

Create legally-binding eSignatures

Store and share documents securely

airSlate SignNow features that users love

Speed up your paper-based processes with an easy-to-use eSignature solution.

Edit PDFs
online

Generate templates of your most used documents for signing and completion.

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Create a signing link

Share a document via a link without the need to add recipient emails.

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Assign roles to signers

Organize complex signing workflows by adding multiple signers and assigning roles.

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Create a document template

Create teams to collaborate on documents and templates in real time.

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Add Signature fields

Get accurate signatures exactly where you need them using signature fields.

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Archive documents in bulk

Save time by archiving multiple documents at once.

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Connect airSlate SignNow to your apps

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Data accuracy, security, and compliance

airSlate SignNow is committed to protecting your sensitive information by complying with global industry-specific

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FAQs

Here 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.

Need help? Contact support

How does signature verification work?

Verifying a signature will tell you if the signed data has changed or not. When a digital signature is verified, the signature is decrypted using the public key to produce the original hash value. The data that was signed is hashed. If the two hash values match, then the signature has been verified.
How is online signature verification done?

Signature verification technology requires primarily a digitizing tablet and a special pen connected to the universal serial bus port (USB port) of a computer. An individual can sign on the digitizing tablet using the special pen regardless of his signature size and position.
How does signature airSlate SignNow verify?

Log in to your account or register a new one. Upload a document and click Open in airSlate SignNow. Modify the document. Sign the PDF using the My Signature tool.
Is airSlate SignNow legally binding?

airSlate SignNow documents are also legally binding and exceed the security and authentication requirement of ESIGN. Our eSignature solution is safe and dependable for any industry, and we promise that your documents will be kept safe and secure.

What active users are saying — forward countersignature signature

Get access to airSlate SignNow’s reviews, our customers’ advice, and their stories. Hear from real users and what they say about features for generating and signing docs.

Everything has been great, really easy to incorporate...

5

Liam R

Everything has been great, really easy to incorporate into my business. And the clients who have used your software so far have said it is very easy to complete the necessary signatures.

Read full review

I couldn't conduct my business without contracts and...

5

Dani P

I couldn't conduct my business without contracts and this makes the hassle of downloading, printing, scanning, and reuploading docs virtually seamless. I don't have to worry about whether or not my clients have printers or scanners and I don't have to pay the ridiculous drop box fees. Sign now is amazing!!

Read full review

airSlate SignNow

5

Jennifer

My overall experience with this software has been a tremendous help with important documents and even simple task so that I don't have leave the house and waste time and gas to have to go sign the documents in person. I think it is a great software and very convenient.

airSlate SignNow has been a awesome software for electric signatures. This has been a useful tool and has been great and definitely helps time management for important documents. I've used this software for important documents for my college courses for billing documents and even to sign for credit cards or other simple task such as documents for my daughters schooling.

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Add countersignature Thank You Letter

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How can I sign a PDF with just my finger?

For those who prefer to handle deals while on the go, airSlate SignNow offers an intuitive app. You can upload any PDF and sign it with your finger by drawing on the screen. Your eSignature is legally-binding, so you can close deals via your smartphone from anywhere.

How do you add an eSignature to a PDF?

Using files Portable Document Format makes eSigning more straightforward. When you use an advanced service like airSlate SignNow, the signing process becomes even more comfortable and fast. Sign up, upload a file, create your eSignature, and send the document for signing or download it right away. The interface is pretty simple and literally anyone can use it regardless of their computer skills.

How can I sign emailed documents?

Get and install the airSlate SignNow add-on in your Gmail account. Open an email with the attachment that needs to be eSigned. Click on the airSlate SignNow add-on on the right. Hit Upload to sign the document yourself or enter a recipient's email address and send the attachment for signing.

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