Quick answer
To sign a PDF for free without an account, open a browser-based signing tool, create your signature by typing, drawing or uploading it, click where it should go on the page and download the signed file. With a local tool like LocalPDF, the document never leaves your device.
How do I sign a PDF step by step?
- Open Sign PDF and drop in your document.
- In the settings panel, type your name and pick a style — Script, Formal or Initials.
- Choose Signature in the toolbar and click on the page where you want to sign.
- Add a date or checkmark with the Text and Checkmark tools if needed.
- Click Apply signature and download the signed PDF.
Is a typed or drawn signature legally valid?
A typed, drawn or pasted signature is an electronic signature. Many countries accept electronic signatures for everyday agreements, but rules differ by country and document type — some documents require a certificate-based digital signature or a wet ink signature. If it matters legally, check with the organisation asking for your signature.
| Type | What it is | Typical use |
|---|---|---|
| Electronic signature | Typed, drawn or image signature on the page | Offer letters, forms, everyday agreements |
| Digital signature | Cryptographic, certificate-based | Government filings, regulated documents |
| Wet signature | Ink on paper, then scanned | When explicitly required |
How do I stop someone editing the signed PDF?
After signing, run the file through Flatten PDF. Flattening merges signatures, form fields and comments into the page, so they can't be moved or edited in a normal PDF viewer.
Can I fill in a form and sign it?
Yes. Use Fill PDF form to complete the fields, then add your signature. Turn on Lock answers after filling so the form looks the same in every viewer.
Frequently asked questions
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LocalPDF Team
We build free PDF tools that run entirely in your browser, so your documents never leave your device.