- A free proxy is someone else's server, and you do not know the owner
- Never enter passwords or payment details through one
- Addresses from public lists are slow and long since blocked
- For a one-off check, a few gigabytes of paid traffic are enough
“Free proxies” is one of the most common searches on the topic. Lists with thousands of addresses do exist, and some of them even respond. The question is not whether they work but who runs them and what happens to your data.
Where free proxies come from
- misconfigured servers whose owners do not know strangers are routing through them;
- infected computers and routers of ordinary users;
- servers set up on purpose to watch the traffic;
- trial addresses from paid services that are switched off quickly.
In none of these cases do you know the owner or have any agreement with them.
What you risk
- Data interception. Anything sent without encryption is fully visible to the proxy owner. Even for https sites they can see which sites you visit.
- Content tampering. Ads or malicious code can be injected into unencrypted pages.
- Account bans. Hundreds of people use the same free address at once, and sites treat that as an attack.
- Instability. The address can vanish in the middle of your work.
When a free proxy makes sense
To look once at how a public page appears from another country, without typing anything in. For accounts, ads, scraping and anything involving money, it is the wrong tool.
What to use instead
A paid proxy does not have to be expensive. With Prokso you pay per GB, not per month: datacenter IPs are the cheapest, and residential IPs are for sites that block datacenters. Traffic never expires, so a few gigabytes last a long time. You can test any proxy with the free proxy checker.
How to test any proxy before you rely on it
Before trusting an address, check three things: whether it responds at all, which country the site sees, and whether your real IP is exposed. The first two are shown by the proxy checker, the third by the My IP page with its WebRTC leak test. If an address from a list fails any one of them, do not work through it.
How much traffic you actually need
How to spot a suspicious proxy, even a paid one
The risks of free lists also apply to cheap services with no clear owner. Before paying, look for a few signs:
- No company and no way to get in touch. If something goes wrong, there will be no one to hold responsible.
- They promise traffic with no limits for a token price. Residential traffic costs money for everyone, and a price like that usually means a shared, overloaded address.
- They ask you to install a program. For an ordinary proxy, a connection string is enough: address, port, login and password.
- There are no usage rules. That means other people's spam may be going through the same address, and sites have already blocked it.
A good sign is when the service itself tells you where the addresses come from, what is forbidden on the network and how to get your money back if something does not work.
What to do if you have already entered data through a free proxy
- change the passwords of the accounts you logged into through it - start with your email, because everything else is recovered through it;
- turn on two-factor authentication wherever it is available;
- check the list of active sessions in your email and social networks and end any you do not recognize;
- remove the proxy from your system and browser settings - how to do this is described in the article "How to turn off a proxy".
If you entered card details through such a proxy, tell your bank: it can reissue the card.
A text page without images weighs tens of kilobytes, so one gigabyte means thousands of page views. Checking prices, search results or a few accounts takes very little, and unused traffic waits on the plan. That is why a paid, pay-per-GB proxy usually costs less than the time spent hunting for a free address that still works.
FAQ
Are free proxies safe?
For viewing a public page without logging in — more or less. For accounts, email and payments — no: the server owner can see and alter any traffic that is not encrypted.
Why do free proxies not work?
Addresses from public lists are used by thousands of people at once. Websites block them first, and the servers themselves often go offline within hours.
Does Prokso have a free plan?
There is no permanent free plan: you pay per GB with no expiry, so a small amount is enough to test the service on your own task. New customers sometimes get a trial package - if it is available now, the Try button is on the pricing page.
Can the owner of a proxy see my password?
If the site works over https, the password is encrypted and the proxy owner cannot see it - they only see which site you are visiting. On sites without https they see everything you type.
Why is a paid proxy safer than a free one?
A paid proxy has an owner you have an agreement with, the address is available only with your login and password, and the rules forbid using the network for spam and attacks. Encryption is still provided by the site itself through https.
