签署 PDF Document

Add legal-looking cursive signatures, type text, or upload initials. Completely private local browser execution.

选择 PDF 文件

or drag and drop PDF here

Digital Document Signing: Signing PDF Files Safely In Your Browser

Electronic signing transforms vector document catalogs by overlaying transparent graphics layers or text instructions at precise page coordinates. Using high-performance browser engines, this process can be completed entirely on your local machine, keeping your identity records private.

Why Client-Side Signing is Safer

Most e-sign portals require uploading document binaries to cloud systems. This compromises confidentiality. By loading vectors via local rendering pipelines, your private data remains in active RAM sandbox space, shredded instantly when the browser tab is closed.

How to Sign a PDF Online (Step-by-Step Guide)

1

Load PDF Document

Drag and drop your file into the secure, local browser container.

2

Place Signature & Fill Out Text

Create a signature via typing, drawing, or uploading, and position it on any page. Double-click to write annotations anywhere.

3

Download Signed Document

Click the 'Download Signed PDF' button to compile annotations into a secure output file.

常见问题解答

H0% 安全。所有签名渲染与图层合成均在您本机的浏览器内存中完成,商业合同与签名图像绝不上云。

可以。勾选 "保存签名" 后,您的签名将安全加密保存在您本地浏览器的 localStorage 中,随时一键调用。

支持键盘输入艺术字体签名、鼠标/触屏手绘手写签名、上传已有签名图片,或直接使用摄像头扫描手写签名。

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Reading PDF File

Initializing renderer canvas...