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% クライアント側

Sign PDF (eSign)

筆記体の署名を描画、入力、または署名画像をアップロードして、PDF ドキュメントに安全にスタンプして署名します。

ゼロアップロード

ブラウザを離れることはありません

インスタントスピード

WASMの高速化

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

シンプルなワークフロー

このツールの使用方法

学習する必要がなく、3 つの簡単なステップで結果が得られます。

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.

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Sign PDF (eSign)

Drag & Drop your files here

このツールの使用方法

Upload Document

Create Your Signature

Sign & Download

よくある質問

関連ツール

PDF Merge

Add Watermark to PDF

PDF Metadata Editor

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Sign PDF (eSign)

Drag & Drop your files here

このツールの使用方法

Upload Document

Create Your Signature

Sign & Download

よくある質問

関連ツール

PDF Merge

Add Watermark to PDF

PDF Metadata Editor