The digital signature, clearly explained
What it is, the three levels, legal validity, verification and cost on one page.
Read the guideHow do you check whether a document was really signed digitally?
A signature image proves little. Use the audit certificate and the document hash to check who signed, when, and whether the document changed afterwards.
Read the answerHow do you create a digital signature?
Draw a signature in a PDF, sign through a signing platform or use a certificate. How to create a digital signature and which one holds up legally.
Read the answerHow do you add a signature in Word?
Add a signature in Word as a picture, with the Draw tab or with a signature line. Plus why that proves little and what to do when someone else has to sign.
Read the answerWhat does a good signature look like? 6 examples
Six signature examples, from full name to initials, with tips for designing a signature that is recognisable and hard to copy.
Read the answerCan the Dutch payroll tax form be signed digitally?
Can a new employee in the Netherlands fill in and sign the payroll tax form digitally? What the Dutch Payroll Tax Handbook 2026 says, and how to arrange it.
Read the answerIs agreeing by email or WhatsApp legally binding?
Under Dutch law an agreement can be made by email, WhatsApp or verbally. The problem is proof. How it works, and when you're better off having it signed.
Read the answerWhat is a wet signature, and when do you still need one?
A wet signature is a handwritten signature in ink on paper. What it means, why it's called wet and which documents still need one instead of an e-signature.
Read the answerIs a scanned signature legally valid?
A scanned or pasted signature isn't automatically invalid, but it proves little. How it works, and how to sign with real evidence.
Read the answerCan you have a PDF larger than 25 MB signed digitally?
Many signing tools stop at 25 MB. With BuiltSign you sign documents up to 1 GB on Business Plus and Enterprise, without splitting them. Here's how it works.
Read the answerHow do you verify the identity of someone who signs online?
An email and SMS code show someone had access to a mailbox and phone. An ID check with selfie also establishes who they are. How it works and when to choose what.
Read the answerElectronic signature vs digital signature: what's the difference?
An electronic signature is the legal concept, a digital signature is the cryptographic technology behind some of them. How they differ and which one you need.
Read the answerAre electronic signatures legally binding?
Yes, in most countries. What the law says in the US, EU, UK, Canada, Australia, India, Singapore and South Africa, and which documents still need ink.
Read the answerHow do you sign a document sent by email?
Got a PDF or Word document by email that needs your signature? Three ways to sign it without a printer, and what to do when others need to sign too.
Read the answerHow do you make a contract legally binding?
A contract is binding when there's an offer, acceptance, intent and clear terms. What you need, when it must be in writing and how to sign it so it holds up.
Read the answer