Sign PDF Online

Draw a visible signature and place it on the last page of a PDF – free, private and mobile-friendly.

📖 Read the full guide →

✍️

Select PDF contract or document

or drag & drop PDF here

🔒 Processed 100% in your browser — your file is never uploaded to a server

Continue with:Signature ToolsOnline Signature MakerResize Signature

About Sign PDF

Quick answer

Sign PDF places the signature elements supported by the interface onto a document. Select the document, use the available signing control, position the signature and save the result.

iLikePDF's Sign PDF tool lets you draw a visible signature and place it on the last page of a PDF – free and without any software. It is a good fit for return a signed acknowledgement or simple form, add a visible signature to a letter and sign the last page of a short agreement. You may also know it as sign pdf online, free sign pdf.

Everything happens in your browser: your files are not uploaded to our servers. It is private by design, quick to use and mobile-friendly.

Full walkthrough: How to Sign a PDF Online: Visible Signatures vs Digital Signatures

Conceptual illustration of the Sign PDF workflow: select a file, set options and download the result
Sign PDF: conceptual illustration of the workflow, not a screenshot.

How to Use Sign PDF

  1. Choose the PDF.
  2. Draw your signature on the canvas; use Clear Canvas to redo it.
  3. Select Apply Signature & Download PDF.
  4. Open the file and confirm the signature sits in the right place on the last page.

Before & After

Before using Sign PDF - your original file(s)

Before (Your original file(s))

  • Files as you have them
  • Nothing has been changed yet
After using Sign PDF - new result file

After (New result file)

  • A new file downloads to your device
  • Your original stays untouched

Conceptual illustration, not a screenshot.

Supported Input and Output

Sign PDF Features

  • ✅ 100% free – no payment, no sign-up, no watermark.
  • ✅ No software – sign pdf online straight in your browser.
  • ✅ Private by design – your file is processed on your device, not uploaded to our servers.
  • ✅ Original kept – a new file is created.
  • ✅ Works on mobile and desktop – Android, iPhone, Windows and Mac.

Who Should Use Sign PDF?

  • Students – Combine, split and organise notes, assignments and study material.
  • Job Seekers – Put resumes, certificates and ID proofs in the order a form expects.
  • Professionals – Prepare contracts, reports and invoices for sharing.
  • Small Businesses – Send clean, ordered documents to customers and suppliers.
  • General Users – Keep personal papers tidy and easy to share.

Use Cases and Output Checks

Common uses

  • Return a signed acknowledgement or simple form.
  • Add a visible signature to a letter.
  • Sign the last page of a short agreement.

Check the output

  • The signature is on the last page and legible.
  • It does not overlap printed text.
  • The receiver accepts a visible signature.

Limitations and Troubleshooting

  • A drawn image does not prove identity or protect the document from later changes.
  • Placement is fixed; there is no drag-to-position control.
  • Some processes require a certificate-based digital signature; check the recipient's rules.

Common problems

Accepted inputOne PDF (.pdf) and a signature drawn on the on-page canvas.
PlacementBottom-right of the last page (180 × 45 units, 40 units from the right and bottom edges).
OutputA PDF named signed-.pdf.
Signature typeA visible image of your drawing. It is not a certificate-based digital signature.
File handlingThe processing code runs in your browser. The page loads the pdf-lib library from the unpkg CDN when it opens; the tool code does not send your PDF to a server.
ProblemWhat to try
The button is disabledDraw on the canvas first.
Signature overlaps textPlacement is fixed; add a blank last page first or use another workflow.
Tool groupSignature ToolsMore toolsOnline Signature MakerMore toolsResize SignatureMore toolsMerge Photo and SignatureToolEdit PDFToolFlatten PDFToolProtect PDFGuideHow to Sign a PDF Online: Visible Signatures vs Digital SignaturesGuideHow to Organize PDF Files: Merge, Split & Rotate

Quick Summary

FeatureDetails
Tool nameSign PDF
Cost100% free
Software requiredNo
File uploadNo – processed in your browser
Supported devicesMobile & desktop
Best forReturn a signed acknowledgement or simple form

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Disclaimer

Sign PDF is for personal and educational use. Check your local laws and your organisation's rules before you process copyrighted or sensitive documents. Results depend on your file and browser, so always check the output before you use it.

FAQs – Sign PDF

1. Sign PDF kaise use karein?

Apni file select karein, settings check karein aur “Apply Signature & Download PDF” button dabayein. Result neeche dikhega; phir Download par tap karein.

2. Kya Sign PDF free hai?

Haan, iLikePDF ka Sign PDF tool bilkul free hai. Koi payment ya signup nahi chahiye.

3. Kya main mobile se Sign PDF use kar sakta hoon?

Haan, yeh tool mobile-friendly hai. Aap Android ya iPhone ke browser se bhi Sign PDF use kar sakte hain.

4. Kya meri file upload hoti hai?

Nahi. Yeh tool aapke browser me chalta hai; aapki file iLikePDF ke server par upload nahi hoti. (Kuch features ek helper library CDN se load karte hain, lekin aapki file unme nahi jaati.)

5. What does Sign PDF do?

Sign PDF places the signature elements supported by the interface onto a document. Use it when the required result matches this operation; keep a separate copy of the source.

6. How do I use Sign PDF online?

Select the document, use the available signing control, position the signature and save the result. Open the downloaded result before sending it to someone else.

7. Which source should I prepare for Sign PDF?

Prepare the final PDF and any signature input supported by the tool. Start with a file that opens correctly in its usual viewer. A renamed extension does not convert the underlying format.

8. What should I check in the Sign PDF output?

Check the intended page, signature placement, dates and whether any required signature verification exists. Keep the original until the result has passed these checks.

9. Is a drawn signature the same as a digital certificate signature?

No. A visible signature image is different from cryptographic signing that can verify integrity and signer credentials. Confirm which type the recipient requires.

10. Can I sign multiple pages?

That requires repeated placement or a multi-page control. Check every required page and do not assume a signature was automatically repeated.

11. Can I type or upload a signature?

Only if those input methods appear in the interface. Use the supported method and check the saved placement rather than assuming all signing modes are available.

12. Why does my signature have a white box around it?

An uploaded image may have an opaque background. Use a supported transparent image if available, while checking that the signature remains legible.

13. Should I finish editing before signing?

Yes, finalize and review the document first when possible. Later changes can alter the agreed content and may affect digital-signature validation.

14. Does placing a signature verify my identity?

A visible image alone does not establish verified identity. Use a signing workflow with the evidence and authentication required by the recipient.

15. Can another person reuse my signature image?

A visible image may be copied. Avoid publishing reusable signature assets and choose a stronger signing process when the situation requires it.

16. Does this tool guarantee acceptance of a signed document?

No universal acceptance should be assumed. Ask the recipient which signing format and verification process it accepts before submitting.

17. Why might Sign PDF fail on a large file?

Large scans can make precise placement and preview rendering slower. Close unnecessary tabs and test a smaller non-confidential sample to separate a file-specific problem from a browser problem.

18. When is Sign PDF useful?

Add a visible signature to a document when that workflow is accepted by its recipient. Confirm the recipient’s requirements before preparing the final version.

19. What can I do after using Sign PDF?

Related next steps include Edit PDF, Flatten PDF, Protect PDF. Choose one only when you need that additional operation. Review the a PDF with a visible signature placement before applying another change, and retain your source copy.