Certified digital signature for invoice

Digital signature speeds up administrative work by 85%

A digital signature can be done anywhere, anytime, for easy document verification. Finish your work faster and more efficiently.

  • Validation and mass document delivery
  • Improve workflow efficiency with document management
  • Supports various document formats
  • Document tracking and real-time notifications
Digital Signature Mekari Sign

Four easy steps to create the digital signature

step 1 Digital Signature

Step 1

Register and complete eKYC on Mekari Sign website

step 2 Digital Signature

Step 2

Upload documents and select signing parties

step 3 Digital Signature

Step 3

Add and customize your digital signature

step 4 Digital Signature

Step 4

Send the document to the signing parties via email

Many businesses in various industries have experienced
the benefits of Mekari Sign


Reduction in business administrative processes with digital signatures


Decrease in document and approval loss in businesses using digital signatures


Increase in business efficiency after switching to digital signature applications

Digital Signature Benefit 1

Legally valid digital signature

You can trust Mekari Sign for your digital signatures. We are accredited by Kominfo and have a certificate from the Electronic Certification Providers (PSrE)

Digital Signature Benefit 2

No more document and signature manipulation

Mekari Sign has an audit trail feature for documents. Therefore, any changes made to the document or digital signature by anyone will be recorded in detail in one place.

Digital Signature Benefit 3

Supports various document formats

You don’t need to worry about converting your document format, as Mekari Sign supports many modern document types, from PDF, DOC, DOCX, JPG, JPEG, to PNG.

Digital Signature Benefit 4

How to sign digitally

Step 1: Visit Mekari Sign website

Visit the Mekari Sign website at mekarisign.com. If you already have a Mekari account, you can click Login. If not, click Schedule Demo to meet the Mekari Sign team and create an account.

Step 2: Complete eKYC

Before uploading documents, you must complete the electronic Know Your Customer (eKYC) process.

Step 3: Upload the document

Click Upload your document to select the document. After selecting your document, click Next.

Step 4: Set signing parties

Enter the parties that will sign the document. To add yourself as one of the signers, click Add me as the signer. Or, if you want to add other parties, click Add another signer.

Step 5: Set signing order

In Mekari Sign, you can easily set the signing order. Click Set sign order and drag the dots according to the order of signers. When done, click Next.

Step 6: Set signature

You can set the signature for each party. Once all parties are selected, click Next to proceed.

Step 7: Send document to signing parties

Ensure that the names and email addresses of all parties are correct. Here, you can also enter the email subject and message. When everything is right, click Send document.

How to sign a document in Word

How to Sign Word Documents in Mekari Sign

Through Mekari Sign, you can sign Word documents in DOC and DOCX format in just a few minutes. How to do it?

How to sign a Word document in Mekari Sign in just a few minutes:

1. Create your Mekari Sign account by clicking “Free trial” or “Login” if you already have one.
2. Click “Upload Document” and select the Word document from your device.
3. Enter the email addresses of the signatories.
4. Insert your signature and configure the signatures of other signatories, such as their position, name, date, and more.
5. Finally, click “Send Document” to send the document.

Mekari Sign’s electronic signature is legally binding, endorsed by KOMINFO, and certified by Tilaka for PSrE. You can sign any Word document on Mekari Sign, as it is fully protected by Indonesian law.

More than 35,000+ companies from various industries trust Mekari's products

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What is a digital signature?

A digital signature, also known as a digital signature, is a virtual signature applied to electronic documents using digital technology to verify the authenticity and integrity of the document.

Not only providing electronic signatures, Mekari Sign also provides electronic contracteMeteraiaudit trail, online stamp (coming soon), eKYC within one platform

How do I add a digital signature to an invoice PDF?

Here are some steps to add a digital signature to a an invoice PDF using Mekari Sign:

Step 1. Log in to the Mekari Sign website.
Step 2. Click “Sign a Document” and upload the invoice PDF file.
Step 3. Drag and drop a signature field onto the desired area of the invoice.
Step 4. Click on the signature field and sign the document using your preferred method.
Step 5. Save and download the signed invoice PDF.

You can use third-party tools such as Adobe to verify a digital signature on an invoice. Here are some steps to verify the digital signature:

  • Firstly, open the invoice PDF in Adobe Acrobat Reader.
  • Next, click on the signature field to view the signature properties.
  • Then, click “Show Signer’s Certificate” in the signature properties dialog box to view the signer’s digital certificate information. Check the information, such as name and email address, to ensure it matches the person who signed the document.
  • Finally, check the signature status to ensure it says “Signature Valid.” If the signature status says “Signature not verified,” the signature is invalid, or the certificate is not trusted.

The use of signatures on invoices can differ based on the country and industry. Usually, an invoice does not require a signature, but it might be obligatory by law or requested by the purchaser.

GST, or Goods and Services Tax, is levied on selling goods and services in various countries. Digital signatures enable electronic document authentication and verification. Although they may be utilized together, they are not directly linked, and GST typically does not apply to digital signatures.

You can follow the same procedures as any other invoice to incorporate a digital signature into a GST invoice with Mekari Sign. The process remains identical regardless of the type of invoice. However, it is crucial to ensure that you adhere to your country’s applicable requirements and regulations for GST invoicing.

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