How to Add a Signature Field to Google Forms

Morgan Hopkins, Customer Success Manager

Last Updated: Mar 9, 2026

One of the most common questions about Google Forms is whether you can add a signature field. Whether you're collecting consent forms, contracts, policy acknowledgments, or approval sign-offs, a signature gives the submission formal weight. Google Forms doesn't have a native signature field, but there are practical workarounds — and for approval workflows, a better alternative altogether.

Why Google Forms Doesn't Have a Signature Field

Google Forms is designed for structured data collection — text, multiple choice, checkboxes, dates, and file uploads. A freehand signature is inherently unstructured (it's an image drawn on a canvas), which doesn't fit the form-field model. Google has never added a native signature question type, and there's no indication it's on the roadmap.

Workaround 1: Typed Name as Signature

The simplest approach is to add a short-answer question labeled "Signature" or "Full Name (as signature)" and include a note that typing their name constitutes an electronic signature. This is legally sufficient in many contexts:

• Add a short-answer question: "By typing your full name below, you acknowledge and agree to the terms above"
• Mark the question as required so the form cannot be submitted without it
• The typed name, combined with the timestamp and email address (if collecting emails), creates a basic electronic signature record

This works well for internal processes like policy acknowledgments, training completion, and basic agreements.

Workaround 2: File Upload for Handwritten Signatures

If you specifically need a handwritten signature image, you can use Google Forms' file upload question type:

1. Add a File Upload question to your form
2. Label it "Upload your signature" and restrict to image file types
3. Respondents can sign on paper, take a photo, and upload it — or use a signature app on their phone to create a signature image

The downside is friction. Asking someone to create and upload a signature image is cumbersome, especially on mobile. It also requires respondents to have a Google account (file uploads are only available when "Restrict to users in your organization" is enabled or respondents sign in).

Workaround 3: Checkbox Acknowledgment

For many use cases, a simple checkbox is more practical than a signature:

• Add a checkbox question: "I confirm that the information provided is accurate and I agree to the terms above"
• Use form validation to make it required
• Combined with "Collect email addresses" and the response timestamp, this provides a clear record of acknowledgment

The Best Option: Built-In Signature Capture with Form Approvals

In many cases, the reason people want a signature field is because they need someone to formally sign a submission — a manager signing off on a purchase order, a supervisor confirming a safety checklist, a client signing a contract or agreement. The workarounds above are clunky for this. What you actually need is a way to send the form submission to a signer and capture their real signature.

The Form Approvals add-on has a built-in "Needs to Sign" role type that does exactly this. When you add a recipient with the "Needs to Sign" role, here's what happens:

1. A form submission is made via your Google Form
2. The signer receives an email containing the full form response data
3. The signer reviews the details and draws their signature directly in the browser — on desktop or mobile
4. The signature is captured and stored, and the workflow advances to the next recipient (if any)
5. The original submitter is notified once the signing is complete

This gives you a real, drawn signature — not a typed name or a checkbox — without any of the friction of the file upload workaround. The signer doesn't need a Google account, doesn't need to download an app, and doesn't need to upload anything. They simply draw their signature in the email link they receive.

Setting Up a Signer

To add a signer to your workflow:

1. From your Google Form, open the Form Approvals add-on
2. Add a recipient (static email or dynamic from a form field)
3. Click the "More" menu next to the recipient and select "Other recipient settings"
4. Change the role type to Needs to Sign
5. Click Save

You can combine signers with approvers in the same workflow. For example, a purchase order could go to a manager for approval first, then to the vendor contact for signature. Learn more about role types.

Generating Signed PDFs

Once a signature has been captured, Form Approvals can generate a PDF document that includes the form response data, the approval history, and the collected signature. This is ideal for creating signed records like:

• Signed purchase orders
• Signed contracts and agreements
• Signed consent forms
• Signed inspection reports or checklists

You can export a PDF from the Form Approvals dashboard after a request has been completed, or set up a custom template (using Google Docs, Sheets, or Slides) that the add-on automatically populates with the form response, approval records, and signatures — then attaches as a PDF to your email notifications. Use the <<Recipient 1 Signature>> marker in your template to insert the captured signature. Learn more about generating PDFs.

When to Use Each Approach

• Typed name or checkbox: Policy acknowledgments, training completion, simple consent forms — where you just need the submitter to confirm
• File upload: Cases where you already have a signed document and need to attach it to the form submission
• Form Approvals (Needs to Sign): Any process where someone needs to review the form submission and provide their actual signature — purchase orders, contracts, agreements, inspection sign-offs. The signature is captured digitally and can be included in PDF output. See our guide on creating an approval workflow with Google Forms
• Form Approvals (Needs to Approve): Processes where formal approval is needed but a drawn signature isn't required — leave requests, expense approvals, IT requests

Get Started

If your signature need is really an approval need, try Form Approvals — free to start with 20 responses per month. View pricing or get started today.