Add signature to PDF documents. Draw, type, or upload your signature.
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More about the Sign PDF
A contract that needs an actual signature doesn't have to mean printing it out, signing it by hand, and scanning it back in, when a signature can just as easily be drawn directly with a mouse or a finger, typed out in a script-style font, or uploaded once as an image and reused across multiple documents from then on. This tool adds a signature to a PDF through drawing, typing, or uploading it, giving three different ways to actually get a signature onto a document depending on what's fastest for the situation. Useful for signing a contract or an agreement digitally without printing and scanning it back in, uploading a signature image once and reusing it consistently across several documents, or quickly typing a signature in a cursive-style font for a lower-stakes document that doesn't need a hand-drawn mark.
Add signature to PDF documents. Draw, type, or upload your signature. The Sign PDF is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Sign PDF?
Open the Sign PDF on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Sign PDF free to use?
Yes. The Sign PDF is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Sign PDF safe and private?
Yes. The Sign PDF processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Sign PDF produce?
The Sign PDF produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose — formatted code, converted data, transformed text, or processed media — and is ready for immediate use in your project or workflow.
Does the Sign PDF work on mobile devices?
Yes. The Sign PDF is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality — paste input, transform, copy output — works the same way regardless of your device.
Are PDFs processed securely in the Sign PDF?
Yes. The Sign PDF processes PDFs entirely in your browser using client-side PDF libraries. Your files are never uploaded to a server, so you can safely work with contracts, invoices, and other confidential documents.
Can the Sign PDF handle password-protected PDFs?
The Sign PDF can open and process PDFs that do not have encryption restrictions. Password-protected or encrypted PDFs that require a decryption key may not be readable by client-side libraries. If you need to work with a locked PDF, unlock it first using the file owner's credentials.
Can I use the Sign PDF offline?
Once the page has loaded, the Sign PDF continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.