Can recipients sign without registering?

Yes. The recipient opens the link, authenticates with an OTP and signs directly in the browser.

Is the signed PDF legally valid?

E-Signing.io logs the audit trail, timestamp and authentication. For many B2B and B2C contracts, the advanced electronic signature (AES) is sufficient.

Which file formats are supported?

PDF and DOCX. You can import existing documents and place signature fields on top.

E-Signing.io

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Bring fellow founders on board. Earn 5 free e-signing sends for every successful signup (up to 3×)Bring fellow founders on board. Earn 5 free e-signing sends for every successful signup (up to 3×)Bring fellow founders on board. Earn 5 free e-signing sends for every successful signup (up to 3×)Bring fellow founders on board. Earn 5 free e-signing sends for every successful signup (up to 3×)Bring fellow founders on board. Earn 5 free e-signing sends for every successful signup (up to 3×)Bring fellow founders on board. Earn 5 free e-signing sends for every successful signup (up to 3×)

Sign PDF online

No software, no registration for the recipient. Your PDF is ready to sign in less than a minute — right in the browser.

Create a PDF for free

Upload PDF

Upload your PDF or DOCX. The layout is preserved.

Place fields

Drag signature, text, date and checkbox fields to the right spot.

Send link

By email or SMS. With optional access code.

Get signed PDF

Automatic PDF download with an audit trail for everyone involved.

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