Category: PDF Tools

Sign PDF

Add digital signatures or draw signatures onto PDF files

1 Uploadไฟล์ PDF

คลิกหรือลากไฟล์ PDF มาวาง

2 วาดลายเซ็น

3 เลือกหน้าและตำแหน่ง

💡 1 pt ≈ 0.35 มม. — ปรับค่า X/Y เพื่อเลื่อนตำแหน่งลายเซ็นในหน้า

About Sign PDF

Sign PDF is a free online tool by HubTools — Add digital signatures or draw signatures onto PDF files. Use it instantly in your browser: no installation, no signup.

Privacy matters — this tool runs 100% in your browser. Your files and data are never uploaded to any server; close the tab and everything is gone.

How to use Sign PDF

  1. 1

    Select the document file (e.g. PDF) you want to process

  2. 2

    Configure the options to match the output you need

  3. 3

    Click the action button and wait for processing to finish

  4. 4

    Download the resulting file and use it right away

Frequently Asked Questions

Is Sign PDF free to use?

Yes. Sign PDF by HubTools is 100% free, with no signup and no usage limits.

Will my files be uploaded to a server?

No — Sign PDF runs entirely in your browser. Your files and data are never uploaded to any server.

Do I need an account to use it?

No account required. Just open the page and start using it immediately — no personal information needed.