Electronic Signatures vs Digital Signatures in PDFs
Know the difference between drawing your name on a PDF and applying a certificate-backed cryptographic signature.
Electronic signature is the broad category
Typing a name, drawing a signature or using an e-sign platform can all be forms of electronic signature depending on context and law.
Digital signature usually means cryptography
Certificate-backed PDF signatures use cryptographic keys to help detect document changes and associate the signature with a certificate identity.
A visible signature image proves less by itself
A pasted signature image can show intent in some workflows but does not independently provide cryptographic tamper evidence or identity verification.
Recipient requirements control the workflow
Banks, courts, government portals and employers can each specify acceptable signing methods. Check before relying on a drawn browser signature for an important submission.
Keep an audit trail when it matters
Important transactions may need timestamps, identity checks, consent records or platform logs beyond the visible mark on the page.
A task you can work through
Drawing a mark onto a PDF can be useful for a routine document when the recipient accepts a visible signature image. The site’s Sign PDF tool embeds a drawing as an image on the first page, near the bottom right; it does not create a certificate-backed signature. If the signature field is elsewhere or on another page, inspect the output before sending and use a different tool if placement cannot meet the requirement.
Where this approach fails
A certificate-backed digital signature uses cryptographic keys to detect later modification and relies on trust in the signer’s certificate and validation chain. A scanned or drawn image alone cannot establish those properties. Whether any electronic signature is legally effective depends on jurisdiction, consent, transaction and evidence; a browser utility cannot determine the legal sufficiency of a particular agreement.
Check the result before using it
Ask the recipient whether they need a visible mark, a platform audit trail or a certificate-backed PDF signature. Check the page placement, page count and whether other content was covered. For important agreements, use the required signing platform and retain its completion record.
Three different things people call a signature
A drawn image on a PDF is a visible mark. An e-sign platform may add signer consent, timestamps, email verification and an audit trail. A certificate-backed digital PDF signature adds cryptographic integrity and certificate identity checks. These mechanisms can overlap, but a visible appearance does not prove the other properties. The site’s tool implements the first of these: it embeds an image of your drawn mark on the first page.
Choose by recipient requirement
Before signing, ask whether the recipient accepts an image signature, requires a particular signing platform, or requires a certificate-backed signature. If it needs identity proof or evidence of later document changes, this tool is not enough. If it accepts a simple mark, inspect whether bottom-right placement covers content and whether the right person signs the right copy. Save the unsigned original and the final version separately.
Try the related tool
Draw a signature and place it on a PDF. The tool page explains its implementation and limitations. Keep your original and inspect any important result.
Sign PDF →