Workplace automation: variables anywhere, GPT content, bulk merges from Sheets, easy PDF export.
Listing updated:September 20, 2025
Works with:
197K+
Overview
Now with AI (ChatGPT): turn prompts into on‑brand content right inside your templates.

Doc Variables lets you add smart variables to Google Docs™, Slides™, and Sheets™ to build reusable templates. Declare variables in the title, body, header, or footer—then launch the add‑on to get an auto‑generated form for you or your team to fill. Use it for contracts, invoices, proposals, statements of work, monthly reports, and more.

Key features

- Variables anywhere: title, body, headers, footers, and across tabs
- AI writing: use GPT prompts to generate or refine content
- Template forms: auto‑generated form for all variables in a doc
- Doc Merge: merge rows from Sheets to create multiple personalized docs
- Images & files: import images or embed other Docs by ID/URL
- Lists: bulleted, numbered, or paragraphs from arrays
- Integrations: Salesforce and HubSpot variable sources
- PDF export: create PDFs from your filled templates
- Team‑friendly: share templates; set defaults to guide teammates

Popular use cases

- Sales proposals, NDAs, MSAs, SOWs, invoices, onboarding packets
- Client reports with dynamic charts/text, letters, certificates
- Account plans using Salesforce/HubSpot fields

Example variable syntaxes

${Variable Name}
${Variable Name::~Default Value} — prefill with “Default Value”
${Textarea Name::textarea::~Add default content}
${Select Variable::options::One,~Two,Three} — selects “Two”
${Other Doc::file} — imports a separate Google Doc
${Logo::image::width=200} — inserts/resizes an image
${AI::gpt::~write a 3‑bullet agenda} — generates GPT content

Getting started

1) Install the add‑on and open a Google Doc™
2) Type variables as shown above
3) Open Add‑ons → Doc Variables → Start
4) Fill the form and click Replace to generate your document
5) Export to PDF or run Doc Merge from Google Sheets

Plans

Free tier available. Pro unlocks Doc Merge, Salesforce/HubSpot, images/files, and higher usage limits. Team and Business plans support shared templates and domain installs.
Additional information
PricingFree of charge trial
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Doc Variables — Templates, Merge, and AI will ask for the permissions shown below. Learn more
Doc Variables — Templates, Merge, and AI will need access to your Google account
This will allow Doc Variables — Templates, Merge, and AI to :
See, edit, create, and delete all your Google Docs documents
View and manage documents that this application has been installed in
See, edit, create, and delete all your Google Slides presentations
See, edit, create, and delete all your Google Sheets spreadsheets
Display and run third-party web content in prompts and sidebars inside Google applications
Connect to an external service
View and manage data associated with the application
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
Reviews
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Nigel Williams
October 21, 2024
We've been using the Doc Variable add-on for six years, and it's one of the best add-ons out there. Great Support: Whenever we encounter any issues, they jump right on it, and it's quickly sorted. User-Driven Updates: The developer is constantly adding new features based on user suggestions, which means you get exactly what most users need. Time-Saving and Error-Reducing: It's easy to miss a name or make a mistake when manually replacing information throughout a document. But with Doc Variables, we can dynamically replace repeated information, like names. No more sending out documents with the wrong name in a couple of places. Conclusion: If you're looking for an add-on that simplifies document creation and helps you avoid silly errors, Doc Variables is worth trying.
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anil manavi
July 29, 2025
I find this DOC variable - app very useful in my day to day work of preparing export related documents . 12 variables used currently for preparing 7 page document .
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Becka McIntosh
July 18, 2024
I love this program and what it does effectively and efficiently. It's saved me and my team hours and they're so easy to work with and check in with if there are issues or concerns. 10/10.
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Rowena Gabitan
November 25, 2024
It's a very useful tool to help reduce time spent in updating information in your document. Also, very easy to use and efficient.
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Mark Glover
October 30, 2024
Doc Variables is a fantastic extension. I'm particularly loving the Extras > Doc Merge feature. Jesse is constantly developing it in response to user feedback. He's also responsive to bug reports and feature requests. I highly recommend it.
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Mark Glover
May 29, 2024
Very powerful extension and a super responsive and helpful developer. My only criticism would be that the documentation is spread over several different sites, including a Youtube channel. It's all helpful stuff, but there really needs to be a single source of truth with links to all the various resources.
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Kristo Allred
May 21, 2024
This extension has saved me so much time creating my presentations! I absolutely love it.
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Katie Brown, MD
May 10, 2024
I like this app a lot. It saves me time and I love the drop down and checklist options. 4 stars because it did stop working for a while just randomly and then started working again. Not as reliable as I would like.
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Mausam
March 2, 2024
I wanted to give this a try so I put two date variables in the doc. One first of month and one last day of month. When the variables have been populated, by selecting first day and last day of month, both variables populated as last day of month. Wish it worked but uninstalling it now.
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Christian Doucet
May 1, 2024
Extremely useful add-on. Pricing is very fair, customer support is excellent, and feedback is integrated into the add-on. Hard to find good software like this at a fair price point.
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