Privacy Policy vs. Terms of Service: What's the Difference?
These two documents get confused constantly, partly because they usually sit next to each other in a website footer. They're doing genuinely different jobs.
Last updated: August 2026
The core difference
A privacy policy is a disclosure. It tells visitors what data you collect and what you do with it. You're not asking them to agree to anything; you're informing them about something that's already true.
Terms of service (also called terms and conditions, or terms of use) is closer to a contract. It sets the rules for using your site or service: what's allowed, what isn't, how disputes get handled, and how you limit your own liability. Visitors are typically asked to agree to these, explicitly or by using the site.
Put simply: the privacy policy protects your visitors by telling them what happens to their data. Terms of service protects you by setting the ground rules for your own website or service.
Side by side
| Privacy Policy | Terms of Service | |
|---|---|---|
| What it covers | Data collection and use | Rules for using the site or service |
| Who it protects | Your visitors | You, primarily |
| Legally required? | Usually, if you collect personal data (GDPR, CCPA, CalOPPA, and similar laws) | Not usually required by law, but recommended for most sites |
| Nature of the document | A disclosure | Closer to a contract |
Do you need both?
Most sites benefit from having both, but for different reasons. If your site collects any personal information at all, even just through a contact form or basic analytics, a privacy policy is close to a legal requirement in most jurisdictions your visitors might be in.
Terms of service isn't usually legally required, but it becomes genuinely useful once you have user accounts, paid products, user-generated content, or anything where you'd want the ability to enforce rules or limit your liability. A simple informational blog with no accounts and no e-commerce can often get by with just a privacy policy for a while. An online store, a SaaS product, or anything accepting payments benefits from both from day one.
Can you combine them into one document?
You can, but it's generally not a good idea. Combining them makes both harder to read (a visitor looking for "what happens to my email address" has to wade through liability language to find it), and some privacy regulators expect a standalone, clearly labeled privacy policy rather than one buried inside a longer combined document. Keeping them separate, even if they're short, tends to serve both purposes better.
Frequently asked questions
Which one do I need first?
The privacy policy, in most cases, since it's the one closer to a legal requirement if you collect any personal data at all. Terms of service can follow once you have a clearer sense of what rules you actually need to set.
Is terms of service the same as terms and conditions?
Yes. "Terms of service," "terms and conditions," and "terms of use" are different names for the same kind of document.
Does my terms of service need to mention privacy at all?
It's common and useful to include a short line in your terms of service linking to your full privacy policy, but the substantive data-handling disclosures belong in the privacy policy itself, not duplicated across both documents.
Related reading: what actually goes in a privacy statement, if you're starting from scratch on either document, and disclaimer examples if what you actually need is narrower than either, a specific statement limiting one claim rather than a full policy or terms document.