Learn how to add a signature in Google Docs using the Drawing tool, image upload, or add-ons with our step-by-step guide.

You can add a signature in Google Docs by using the built-in 

 tool, uploading a signature image, or installing Google Docs add-ons/extensions. Instead of printing, signing, and scanning paperwork, these methods allow you to insert a signature in just a few steps.

In this guide, we will walk you through each option step by step, explain when to use them, and share tips to help your signature look clean and professional in any document. By the end, you will know exactly which approach works best for your needs.

The easiest way to add a signature in Google Docs is by using the platform’s built-in 

Other options include uploading an image of your signature and using add-ons or extensions.

The best approach depends on how many Google Docs you need to add signatures to, what you have handy, and whether you are short on time.

To ensure your signature is professional, you should keep it proportional to the rest of the Google Docs, ensure it‘s in high-resolution if added as an image, and keep it consistent in style.

How to Add a Signature in Google Docs: 3 Methods Explained

You can add a signature in Google Docs in three ways; let’s take a closer look at each now.

#1. Using the “Drawing” Tool in Google Docs

 tool that you can use to create a handwritten-style signature and then insert it into your document. Here are the steps to follow:

Open the Google Docs that you want to add a signature to.

 from the toolbar at the top of the page.


Google Docs toolbar with the Insert menu highlighted

Insert menu dropdown showing the Drawing option selected

, and a new panel will appear for you to draw on.


Drawing menu with the +New option selected in Google Docs

 tool and click the arrow next to it to access the dropdown options.

Scribble tool selected in Google Docs Drawing tool

Handwritten-style signature drawn using the Scribble tool

Reposition and resize your signature as needed.

easiest way to add a signature in Google Docs

 because it is already built-into the platform. Although it is not a dedicated Google Docs signature tool, if you are short on time, there is no need to switch between tools or download and upload files from various sources.

 into Google Docs. You can either drag and drop the image directly into the document or follow these steps:

Insert menu dropdown showing the Image option selected

Pick one of the upload methods provided: 

Google Docs Image menu showing upload options such as Upload from computer and Drive

Reposition and resize the signature once it is inserted in your Google Docs.

, this way of adding it to Google Docs is the most straightforward. Additionally, it 

saves time if you plan to reuse the same signature 

#3. Using Google Docs Add-ons or Extensions

There are add-ons and extensions that you can install to add signatures in Google Docs. You can search for options by:

Using Google Docs Add-ons or Extensions to Add a Signature

Extensions menu dropdown showing the Add-ons option selected

 into the search bar and browse your options.


Google Workspace Marketplace search bar with the word ‘Signature’ typed in

Whether the tool meets legal compliance requirements

 in your country, especially if you need signatures for formal agreements.

How the pricing structure fits your needs

, including free plans, usage limits, or monthly subscriptions.

, such as sending documents for signatures, setting signing orders, sending reminders, or accessing 

, based on its interface and user reviews in the Google Workspace Marketplace.

Add-ons and extensions are a good choice when you work with

 contracts, agreements, and documents that require 

. Also, this way of adding Google Docs signatures is helpful if you need to send the file to others for signing or store signed copies securely.

However, installing an add-on/extension is unnecessary if you only need to insert a simple signature for personal use. 

 Google Docs, especially if you already have many installed. Some tools require paid subscriptions as well, which may be difficult to justify.

You can sign Google Docs as PDFs by exporting your document and using an online PDF signing tool like 

Start by exporting your Google Doc as a PDF:

File menu dropdown showing the Download option selected

Download submenu with PDF Document (.pdf) option highlighted in Google Docs

The file will download to your computer in 

. The next step is to use our online PDF tool.

 box or select it from your device’s storage via the 

Uploading PDF file to pdf.net Sign PDF tool using drag-and-drop or Choose file button

Choose from the three methods available to sign your PDF: type, draw, or upload an image.


Three signing options in pdf.net PDF tool: type, draw, or upload an image

Placing the chosen signature into the PDF using pdf.net Sign PDF tool

 option, so you can reuse your signature without repeating the process each time.

Once your signature is added to the PDF, you can 

reposition it where you want and resize it as needed.

 There are also options to customize the color and opacity.

When you are happy with your signed PDF, you can either download it to your device or send it via a link to others with our 

, so you won’t have to worry about overcoming any learning curves. Moreover, it is fully browser-based, allowing you to 

 and other smartphones, tablets, laptops, and computers.

when it is uploaded, processed, and downloaded. Therefore, you can use it for PDF invoices, 

, contracts, and other legal agreements that require signatures.

4 Tips for a Professional Signature in Google Docs

To ensure you can create and insert a professional digital signature in Google Docs, follow these four tips:

#1. Keep Signature Size Proportional to Text

. If it is too large, it can overpower the page and make everything look unbalanced. If it is too small, it may appear faint and risk being overlooked.

As a general rule, your signature should be 

slightly larger than the body text but not wider than the paragraph it relates to.

 After inserting it, you should adjust the size by dragging the image corners; this ensures you maintain its proportions.

Finally, preview the full page and confirm it looks natural within the entire layout. You can even take a step further by looking at it on a different device. Make sure you check carefully 

#2. Use High-Resolution Images to Avoid Blurriness

If you are uploading a scanned or photographed signature, 

Low-resolution files often look blurry or pixelated, especially when resized. These not only make 

, but they can also raise concerns about authenticity and document integrity.

scan your signature at a high resolution 

or take a clear photo in good lighting against a plain white background. Also, 

 before uploading. A clean image will appear sharper and more professional inside your document. It holds up better if the document is converted to PDF or printed, too.

#3. Ensure Signature Placement Is Consistent for Multiple Documents

If you regularly sign letters, contracts, or internal documents, 

. This means your signature should appear in the same location each time (typically aligned with your typed name or positioned just above it).

 to keep the spacing uniform. If you reuse templates, 

save your signature in the correct position

 so you don’t have to adjust it over and over.

#4. Use a Clean Font or Readable Handwriting if Adding Digitally

If you are creating a digital signature by typing your name, be sure to choose a clean, readable script-style font and stick with it. 

, especially between pages of the same document, can 

If you draw your signature in Google Docs using the 

 tool, try to keep the style similar each time. A steady, recognizable signature will help you 

maintain a cohesive professional identity,

 which is especially important in business communications.

Type, draw, or upload your signature in minutes with 

tool works on any device and keeps the process simple and secure, so you can finalize documents without printing or scanning. You just need to upload your PDF, create and apply your signature, and then download the signed version.

Adding a signature in Google Docs is straightforward once you know your options. The built-in 

 tool is convenient if you want to keep everything on Google Docs.

Meanwhile, uploading a signature is preferable if you have one handy and don’t want to waste time hand-drawing your signature. You can also install add-ons or extensions like eSignature, DocuSign, or PandaDoc, if these are already part of your day-to-day workflows.

But remember, regardless of the method you choose, keeping consistency and clarity in mind will help your documents look more professional and trustworthy.

How to Add a Signature in Google Docs FAQs

#1. Is a signature added in Google Docs legally binding?

, depending on how it is created and your local laws. Drawn or uploaded signatures can work for informal documents. For contracts, you should use a verified tool with audit tracking to 

You can sign a Google Doc on mobile by going to the Google Docs app, pressing the 

. You can also export the document as a PDF and 

use our online PDF editor to apply your signature

#3. Can I sign a PDF exported from Google Docs?

 sign a PDF exported from Google Docs with pdf.net. We have a 

 tool that allows you to upload your PDF, apply your signature, and then download it or share it via a 

How to Add a Signature in Google Docs: 3 Easy Methods to Use

It’s simple and safe to sign PDFs on iPhones by using the built-in iOS feature Markup or our fully browser-based editor.

You can sign PDFs on iPhones by using the built-in 

 tool that comes with iOS or pdf.net for a browser-based experience. Both methods allow you to add a signature directly from your phone, but they suit slightly different needs.

If you just have to sign a document from the 

app, you can add your signature in seconds with 

. pdf.net, on the other hand, is more useful if you need to upload files from different sources, adjust placement more precisely, or manage multiple documents at once.

In this guide, we will walk you through the specific steps for each approach. You will also find practical tips for signing PDFs on iPhones here, as well as some advice on how to troubleshoot common issues.

 is a built-in iOS feature that you can activate in apps like 

Pdf.net is an online editor that works on any mobile browser as long as you have a reliable Internet connection.

To ensure your signed PDF is legal and professional, consider creating a master signature to reuse and using a stylus for thinner and more controlled strokes.

Don’t forget to check that your signature is placed properly on a signature line, proportionately sized, and clearly accurate after signing.

There are two ways to electronically sign PDFs on iPhones, and that is using the built-in 

 tool from iPhone or an online PDF editor, such as 

 you can use to add electronic signatures to your PDFs. It was originally introduced in iOS 9 for Mail, but has been integrated with 

Using this tool is ideal if you are looking for a way to 

Click the Signature icon (the last one from left to right).

After you create a signature, your iPhone will 

automatically save it so that you can reuse

 it next time, which is handy if you handle many PDFs daily. However, 

to prevent others from using your signature without permission.

This tool is also convenient because you won’t have to browse the App Store and download anything; it is 

 as long as you have iOS 10 or later. It can save you a lot of time, especially if you are 

, and you don’t need to worry about paying for any subscription plans.

 isn’t just an iPhone PDF signer, though. You can also use it to add text or 

. With the former, you can customize the fonts, sizes, and alignment, and with the latter, you can change the stroke thickness, color opacity, and color shades.

 you can use to create digital signatures on your iPhone and apply them to documents. Here are the steps you will need to take:

Click the hamburger menu in the top-right corner. 

Click Choose PDF to sign and upload your document.

Tap the PDF you need to sign and click Open.

Add your signature using one of three methods available. 

 use to store a consistent version of your signature.

, meaning you can use it on your iPhone through Safari, Chrome, etc. It will work seamlessly as long as you have a reliable Internet connection.

, a symmetric algorithm, to embed the content and PDF metadata in the file’s structure.

Using our tool is an excellent way to sign PDFs on iPhones, but that is not all you can do with it; we offer many other tools for 

, contracts, or invoices and then share them to request signatures. Your recipients can easily open the shared PDF link, add their signatures, and return the document to you using 

4 Valuable Tips for Signing PDFs on iPhones

Keep these four tips in mind when signing PDFs on your iPhone:

#1. Ensure Your Signature Is Clear and Accurate

clearly represent your identity and show your intent to sign. 

That said, a messy scribble or partially cut-off signature can raise questions.

To make sure your signature on an iPhone is clear and accurate, you need to 

 use your finger or a stylus to write at a moderate pace. If the signature looks distorted, it is best to undo it and try again. After inserting your signature, you can drag the corners to resize it proportionally.

It is easy to make shaky strokes when signing with your finger; a stylus can

 make your signature look more natural and professional.

 iPhones. A few common options are Fiftythree Digital Stylus, Adonit Pixel, and MoKo Universal Active Stylus Pen. If your stylus has a battery, 

 so it won’t lag or cause your strokes to break.

 on, as this helps you maintain consistent pressure to make steadier strokes. If there is a signature box on the PDF, don’t try to squeeze your signature into that tiny space. Instead, you should 

sign freely outside, then resize and reposition it 

#3. Keep a Saved Digital Signature for Repeated Use

Re-signing your name every time you open a PDF is tedious and can lead to inconsistencies. These not only 

make your documents appear unprofessional

It is much better to take the time to create and save a single master signature to reuse. Both 

be more careful about your iPhone’s security

. Since your signature is stored and available for you to apply to PDFs whenever you want, anyone who can access your iPhone can do so without your permission.

. Studies comparing facial and fingerprint recognition with traditional passwords and PINs have found that 

biometric methods generally provide stronger security

 than short numeric passcodes, particularly 4-digit ones.

go with one that’s longer than 4 digits

Research comparing 4- and 6-digit passcodes

 in shoulder surfing attacks, for example, found that 6-digit ones were much harder for attackers to guess from observations.

avoid saving your signature on shared devices

, and be cautious about leaving your phone unattended. Additionally, you can consider setting your phone to lock automatically after a short period of inactivity for an extra layer of security.

#4. Check the Signed Document Before Sending

Don’t send your PDF right after applying your signature, but take a couple of seconds to review that everything is good to go.

First, zoom in to check that your signature is 

not hovering above the signature line or overlapping surrounding text. 

look proportional to the rest of the document. 

If it appears oversized or stretched, you can adjust it by dragging the corners.

verify that you have signed all the fields

 in your PDF. It is common to miss additional signature boxes on later pages, so go through each page carefully.

Troubleshooting Tips for Signing PDFs on iPhones

If you are having trouble signing a PDF on your iPhone, don’t panic; most issues can be addressed easily.

. If you are previewing the PDF from a browser or a 

 app. When you open it, you should be able to find the pen icon and access 

The signature is distorted after resizing.

 This tends to happen when you drag from one side. You need to use the corner handles to stretch all sides evenly if you want to maintain the correct proportions.

. Is it fully charged and connected? If you can’t get your device working, check the battery levels and settings, then try to reconnect it.

. The PDF may be locked or flattened. In this case, you can try opening it in a dedicated reader or request an editable version from the sender.

Need to sign a document using only your iPhone? pdf.net offers a fast and convenient way to sign PDFs online. You can upload your PDF, create your signature in seconds, place it accurately, then download and send it back. With our online tool, signing PDFs is fast, simple, and secure, wherever work takes you!

Now that you know how to sign PDFs on an iPhone, you won’t have to worry about leaving documents piled up when you are out. You can apply your signature easily by using 

 or pdf.net. Applying the tips we provided above will help you ensure your signed PDFs are always legal and professional!

#1. How do I write on a PDF on my iPhone?

; our tool works on all mobile browsers and offers a range of tools you can take advantage of. Plus, you can edit existing text, 

, or select a marker or highlighter to write on your PDF.

#2. How do I add a signature to a PDF on an iPhone without an app?

You can add a signature to a PDF on an iPhone without an app with pdf.net. Another option is to 

, the native feature available for iPhones with iOS 10 onwards.

#3. Is signing PDFs on an iPhone legally binding?

E-Signature

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How to Sign PDFs on iPhones: 2 Safe & Secure Methods

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