PDF Signature
Handwrite or upload a signature, drag it to the desired location and export. All processing happens locally in your browser — no file uploads, completely free.
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点击选择，或把 PDF 拖到这里
手写或上传签名，拖到指定位置盖章 · 全程本地处理，不上传服务器
FAQ
Are files uploaded?
No. Loading previews, signing, and stamping are all done locally in your browser — your PDF never leaves your device.
Can I sign multiple pages?
Yes, switch between pages and place signatures individually. Each stamp applies only to the currently selected page.
Can I sign encrypted PDFs?
First remove the password using the "PDF Encrypt/Unlock" tool, then sign the unlocked PDF.
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