A proxy forwards the traffic of one app, usually a browser, through another server so that websites see the proxy's address instead of yours, and in most cases it does not encrypt anything. A VPN encrypts all the traffic from your whole device and sends it through a VPN server, so it changes your visible address and also hides your activity from the local network and your internet provider. Use a proxy for quick, low-stakes tasks in a single app. Use a VPN for security, public Wi-Fi, privacy from your provider and getting through filtered networks.
How a proxy works
A proxy is a middleman. You tell an app to send its requests to the proxy server, and the proxy passes them on to the website and sends the answers back. The website sees the proxy as the visitor.
There are several kinds, and the differences matter.
HTTP and HTTPS proxies
These handle web traffic. When you visit an ordinary HTTP site, the proxy can see and even change everything you send and receive. When you visit an HTTPS site, the proxy relays an encrypted connection it cannot read, but it still knows which site you are visiting.
SOCKS proxies
A SOCKS5 proxy works at a lower level and can carry almost any kind of connection, not only web pages. It is more flexible than an HTTP proxy, but SOCKS itself adds no encryption.
Transparent proxies
Some schools, companies and public networks run a proxy that every user passes through automatically, often to filter or cache content. You may not even know it is there.
Web proxies
These are websites where you paste the address of another site and view it through the proxy's page. They are the simplest kind, and usually the least private.
How a VPN works
A VPN works at the level of your operating system. It creates a virtual network connection on your device, and every app's traffic, including the name lookups your device makes, travels through an encrypted tunnel to the VPN server before it reaches the internet.
That makes three practical differences. Everything is covered, not only the apps you configure. Everything is encrypted between your device and the server. And the network around you sees only one connection to one place.
VPN vs proxy at a glance
| Feature | HTTP proxy | SOCKS5 proxy | VPN |
|---|---|---|---|
| What it covers | Apps set to use it | Apps set to use it | The whole device |
| Encryption | No, beyond HTTPS sites | No | Yes |
| Hides your IP from websites | Yes, for that app | Yes, for that app | Yes |
| Hides activity from local Wi-Fi | No | No | Yes |
| Hides activity from your provider | No | No | Yes |
| Name lookups | Can leak outside | Depends on the app | Handled through the VPN |
| Resistance to blocking | Low | Low | Depends on the VPN |
| Setup | Per app | Per app | One app for everything |
When a proxy is enough
A proxy is a reasonable tool when the stakes are low and only one app is involved:
- Checking how a website looks from another region, for example when testing your own site.
- An app with a built-in proxy setting. Telegram, for instance, can use a proxy, though as we explain in Telegram blocked? How a VPN keeps your chats online, shared proxies are slow and easily blocked.
- A proxy provided by your workplace, which your IT team has set up for a specific purpose.
When you need a VPN
- On public Wi-Fi. A proxy does nothing to protect you from the network owner or other users. A VPN encrypts everything.
- For privacy from your internet provider. A proxy leaves your traffic visible to your provider; a VPN does not.
- On filtered networks. Public proxies are easy to find and block, and plain proxy traffic shows exactly which sites you are asking for.
- Across several apps. Messaging, email, banking and maps all need protection, not just the browser.
- On phones, where configuring a proxy app by app is impractical.
The risks of free and public proxies
Lists of free proxies are easy to find. Using one means sending your traffic through a computer run by someone you know nothing about.
- They can read unencrypted traffic and change it, for example by injecting adverts or malicious scripts.
- They can collect what they see, including the sites you visit.
- They are overloaded, because thousands of strangers share them.
- They disappear without warning, often because a filter has blocked them.
If you do use a public proxy, never sign into an account through it.
Can you use a proxy and a VPN together?
You can, but you rarely need to. Chaining a proxy behind a VPN adds another hop, which adds delay and another party who handles your traffic. In workplaces that require a proxy, adding a personal VPN can also conflict with company policy, so check with your IT team first.
Three common myths
- "A proxy is a free VPN." It is not. It covers less, encrypts nothing on its own and is much easier to block.
- "An HTTPS proxy encrypts everything." The connection to the proxy may be encrypted, but it still covers only the apps that use it.
- "A proxy plus private browsing makes me anonymous." Logins, cookies and browser fingerprints still identify you. We explain why in VPN privacy basics.
Where ZoltVPN fits
ZoltVPN is a full VPN. It protects every app on your device with one tap, and its adaptive engine, CyberPort AI, is designed for the networks where proxies are blocked first. Instead of one fixed method it has 10 connection models to pick from, chooses according to your location, your internet provider and how each connection actually performs, and changes model on its own when one gets blocked or slow, learning which ones work on each network. See how it stacks up against other options on the comparison page.
FAQ
Is a proxy faster than a VPN?
A proxy can add slightly less overhead because it does not encrypt, but free and public proxies are usually so crowded that a good VPN is faster in practice.
Does a proxy hide my IP address?
Yes, from the websites you visit, and only for the apps that use the proxy. Your internet provider still sees your traffic.
Is a SOCKS5 proxy encrypted?
No. SOCKS5 relays connections but does not encrypt them. Only traffic that is already encrypted, such as HTTPS, stays private.
Which should I use on hotel Wi-Fi?
A VPN. On a shared network you want everything encrypted, not just your browser's traffic.
Protect every app, not just one. Download ZoltVPN for your devices and begin with the 7-day trial from the pricing page; you will not need a card.
