How to sign a PDF without uploading it

You can sign a PDF without uploading it by using a signer that runs entirely in your browser. Sign Simplified processes your document locally: you open the file, place your signature, and download the signed PDF, it is never transmitted to a server.

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Step by step

  1. 01

    Open the free signer

    Go to the Sign Simplified free signer. No account or installation is needed.

  2. 02

    Load your PDF or image

    Drop the file in or pick it from your device. It loads in your browser's memory only, nothing is sent over the network.

  3. 03

    Create and place your signature

    Draw it, type it in a handwriting font, or photograph it. Drag, resize, and rotate it anywhere on any page.

  4. 04

    Download the signed PDF

    Export a flattened PDF with your signature baked in. Throughout the process, the document stayed on your device.

Why signing without uploading matters

A signed contract often contains names, addresses, salaries, or bank details. Every upload-based tool asks you to hand that file to a third-party server before you can sign it. A local, in-browser signer removes that risk entirely: there is nothing to breach, retain, or share.

This is not just a promise: an automated test suite fails our build if the free signer ever makes a network request with your document.

Common questions

Does this work on a phone?
Yes. The signer runs in any modern mobile browser, draw your signature with your finger and download the signed PDF.
Is the signed PDF legally valid?
You get a simple electronic signature (SES), suitable for many everyday agreements. Check the form requirements that apply to your specific document.
Can I sign fully offline?
Yes, Sign Simplified Lite is a one-time purchase: the entire signer in a single file that runs on your computer without any internet connection.

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