Is an electronic signature on PDF legally valid?

Yes, in most jurisdictions worldwide (including the US ESIGN Act and EU eIDAS regulation), electronic signatures are legally recognized for contracts, agreements, and standard business forms.

Does this tool store a copy of my PDF or signature?

No! All processing is executed client-side inside your browser. No files, documents, or signature drawings are ever sent to our servers.

PDF 100% 客戶端

Sign PDF (eSign)

繪製、鍵入草書簽名或上傳簽名影像以安全地蓋章並簽署 PDF 文件。

零上傳

永遠不會離開瀏覽器

即時速度

WASM 加速

Drag & Drop your files here

or click to browse from your device

Draw your signature with mouse, stylus, or fingertip on mobile

Type your name in an authentic handwritten cursive script font

Upload your own high-resolution signature PNG or JPEG image

Target any page of multi-page PDFs (first page, last page, or custom)

100% In-browser security — your sensitive legal documents are never uploaded to servers

簡單的工作流程

如何使用這個工具

只需三個快速步驟即可獲得結果，無需任何學習曲線。

Upload Document

Select or drag your PDF document into the upload area.

Create Your Signature

Draw, type, or upload your electronic signature and pick the target page and position.

Sign & Download

Click "Sign PDF Document" to stamp your signature and save the finalized PDF.

需要幫助嗎？

常見問題解答

關於此工具您需要了解的一切。

探索更多

Loading...

Preparing your tools and workspace. Please wait a moment.

Sign PDF (eSign)

Drag & Drop your files here

如何使用這個工具

Upload Document

Create Your Signature

Sign & Download

常見問題解答

相關工具

PDF Merge

Add Watermark to PDF

PDF Metadata Editor

Loading...

Sign PDF (eSign)

Drag & Drop your files here

如何使用這個工具

Upload Document

Create Your Signature

Sign & Download

常見問題解答

相關工具

PDF Merge

Add Watermark to PDF

PDF Metadata Editor