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How to Sign a PDF Online Free

By MyPDFKitty Editorial Team · Updated 2026-02-01

Quick answer

To sign a PDF online for free, open MyPDFKitty's Sign PDF tool, upload your file, type or draw your signature, place it on the right page, and click Done to download the signed PDF. The tool is free, runs in your browser, and doesn't ask for a credit card.

Is signing a PDF online really free?

Yes. MyPDFKitty's signing tool is free. Files up to 10 MB on the Free plan, no watermark, no email required to download.

Common problems

Step-by-step

  1. Step 1

    Open Sign PDF

    Go to MyPDFKitty's Sign PDF tool — it's free.

  2. Step 2

    Upload the PDF

    Drop the contract, form, or letter you need to sign.

  3. Step 3

    Add your signature

    Type, draw, or upload an image of your signature.

  4. Step 4

    Place and download

    Drag the signature where you want it and click Done to save the signed PDF.

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How to Edit a PDF Online Free

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FAQ

Are typed signatures legally binding?+

For most everyday agreements yes. For regulated workflows (banking, real estate in some jurisdictions), use a service that supports eIDAS/qualified signatures.

Will my signed PDF have a watermark?+

No. Free downloads are clean — no watermark, no branding.

Try it now

To sign a PDF online for free, open MyPDFKitty's Sign PDF tool, upload your file, type or draw your signature, place it on the right page, and click Done to download the signed PDF.