Free VPN: Is It Safe? Best Free VPNs for 2025 (Legal in UK?)

A free VPN sounds like the perfect fix—privacy without a price tag. But with an estimated 1.5 billion users globally in 2025, understanding the real risks matters more than ever.

Number of free VPN users globally: 1.5 billion (estimated 2025) •
Percentage of free VPNs with malware: 75% (tested by security firm) •
Top free VPN data cap (ProtonVPN): Unlimited •
Legal status in the UK: Legal, subject to anti-terrorism laws

Quick snapshot

1Confirmed facts

Free VPNs often log user data (Norton UK (cybersecurity firm))
ProtonVPN offers unlimited data on free tier (VPNOverview (VPN analysis site))
VPN use is legal in the UK (Intelligent CISO (cybersecurity industry publication))

2What’s unclear

Whether all free VPNs are unsafe
Future changes in UK VPN regulations
Effectiveness of free VPNs for streaming

3Timeline signal

UK Online Safety Act fuels VPN demand – July 2025 (Intelligent CISO)

4What’s next

Better free tiers from trustworthy providers, but also more regulation

The table below summarises key data points mentioned throughout this article.

Number of free VPN users worldwide	1.5 billion (estimated 2025)
Malware found in free VPN apps	75% tested (Norton UK (cybersecurity firm))
Top free VPN data cap (ProtonVPN)	Unlimited
Legal status in UK	Legal, subject to anti-terrorism laws

Is any free VPN safe?

What risks do free VPNs pose?

Many free VPNs log your activity and sell data to third parties (Norton UK (cybersecurity firm)).
Some free VPNs bundle malware or intrusive adware (Norton UK).
Unvetted free services can expose users to hidden risks, especially after new UK regulations (Intelligent CISO (cybersecurity industry publication)).

Bottom line: No free VPN is risk-free, but a handful of providers—like ProtonVPN—have proven themselves safer than the rest.

How to identify a safe free VPN

Look for clear, recent independent audits (Intelligent CISO).
Check that the provider has a physical address and a transparent privacy policy.
Prefer providers with open-source apps, like ProtonVPN (Wirecutter (consumer product review site)).

The trade-off

ProtonVPN’s free tier is funded by its paid subscribers, not by selling your data—that’s why it can afford to offer unlimited data and no ads.

The implication: safety comes from a business model that doesn’t rely on your personal information. Free VPNs that promise everything for nothing are likely the ones to avoid.

Why avoid free VPN?

Data privacy concerns

Free VPNs operate on a business model that often involves selling user browsing data, injecting targeted ads, or partnering with data brokers (Norton UK (cybersecurity firm)). A 2025 analysis by Inkl (tech review aggregator) found that many free VPNs rank high in download charts precisely because they monetize user traffic.

Slow speeds and bandwidth limits

Most free VPNs cap speeds to push users toward paid plans.
Bandwidth limits are common: Windscribe gives 10GB/month, hide.me gives 10GB/month (VPNOverview (VPN analysis site)).
ProtonVPN is the rare exception with no data cap (VPNOverview).

Potential malware and ad injection

Norton UK warns that some free VPNs bundle unwanted or malicious software during installation (Norton UK). The risk is highest from unknown providers in app stores with few reviews.

The catch

75% of tested free VPNs contained malware or adware, according to a security firm’s analysis cited by Norton. That means three out of four free VPNs on app stores could be actively harmful.

The pattern: free VPNs that appear to cost nothing often charge in data, speed, and security—a trade-off most users don’t see until it’s too late.

Bottom line: Free VPNs that monetise user data or bundle adware can expose you to privacy and security threats. Stick to providers with a proven no-logs policy.

What is the best 100% free VPN?

ProtonVPN free tier

Consistently rated the safest free VPN in 2025, ProtonVPN offers unlimited data with no speed caps and no ads (Wirecutter (consumer product review site)). It allows one connection and is based in Switzerland, which has strong privacy laws. Its apps are open-source and independently audited.

Windscribe free plan

Windscribe provides 10GB of data per month and includes a built-in ad blocker. It operates 10 server locations and has a no-logs policy (Inkl (tech review aggregator)).

hide.me free

hide.me offers 10GB monthly data, supports up to 10 devices, and has a verified no-logs policy (Cybernews (cybersecurity review site)). It is ranked highly for privacy features.

The table below compares the top free VPN providers on key metrics.

Provider	Free data cap	Ad-free?	No-logs policy	Number of connections
ProtonVPN	Unlimited	Yes	Yes, audited	1
Windscribe	10GB/month	No (blocker built-in)	Yes	1
hide.me	10GB/month	Yes	Yes, audited	10
PrivadoVPN	10GB/month	Yes	Yes	1

Bottom line: ProtonVPN is the only free VPN that offers unlimited data without ads or logging. For most users, it’s the safest pick. Windscribe and hide.me are strong alternatives if you can manage a 10GB monthly limit and want more server locations or device support.

Is VPN still legal in the UK?

UK VPN legal framework

VPN use is entirely legal in the United Kingdom. The government does not ban the technology itself, but the Intelligent CISO (cybersecurity industry publication) notes that the Online Safety Act (effective 2025) has driven a surge in VPN demand as users seek to bypass content filtering—a legal activity. The law principally applies to platforms and ISPs, not VPN users.

When VPN use is illegal in UK

Using a VPN to commit fraud, terrorism, or copyright infringement remains illegal (Intelligent CISO).
No specific ban exists on free VPNs.

What this means

UK users can legally use a free VPN for privacy and streaming. But any VPN—paid or free—that’s used for criminal acts falls under existing laws.

The upshot: legality isn’t the hurdle; the real issue is choosing a VPN that respects your privacy and doesn’t expose you to malware.

Which VPN is most trustworthy?

Criteria for trustworthiness

Independent audits: The best VPNs publish regular, third-party security audits (Intelligent CISO).
No-logs policy verification: A simple claim isn’t enough—look for verification from an auditing firm (Cybernews (cybersecurity review site)).
Open-source apps: Transparency in code allows independent review (Wirecutter (consumer product review site)).

Top trustworthy VPNs (paid and free)

Among free options, ProtonVPN leads every trust metric. Wirecutter and Cybernews both rank it highest. For paid plans, NordVPN and hide.me also score well on audits and privacy policies.

The pattern: trustworthiness isn’t about being free or paid—it’s about verifiable transparency. The few free VPNs that open their books are the only ones worth considering.

Upsides

Free VPNs offer zero-cost entry to basic privacy protection
Some reputable providers (ProtonVPN, Windscribe, hide.me) have strong policies
Can help bypass geo-restrictions for streaming (with limits)

Downsides

Data caps and slow speeds are common
Many free VPNs log and sell user data
High risk of malware and adware injection (Norton UK)
Limited server locations hurt performance

Confirmed facts vs. What’s unclear

Confirmed facts

Free VPNs often log user data (Norton UK)
ProtonVPN offers unlimited data on free tier (VPNOverview)
VPN use is legal in the UK (Intelligent CISO)

What’s unclear

Whether all free VPNs are unsafe
Future changes in UK VPN regulations
Effectiveness of free VPNs for streaming (Inkl notes varied results)

“Free VPNs may log your activity, show intrusive ads, or sell your data to third parties.”

Norton UK (cybersecurity firm)

“Unvetted free VPNs can carry hidden risks—users should look for clear pricing, recent independent audits, a physical address, and a comprehensive privacy policy.”

Intelligent CISO (cybersecurity industry publication)

For UK users, the choice isn’t between free and paid VPNs—it’s between VPNs that respect your privacy and those that exploit you. ProtonVPN’s free tier proves that a no-cost option can be legitimate when its business model doesn’t rely on user data. But for heavier use—streaming BBC iPlayer from abroad or watching anime on free legal sites—a paid VPN with more servers and faster speeds may be the smarter investment. The bottom line: don’t let “free” cost you your privacy.

Additional sources

vpn.com, tech.yahoo.com, learn.g2.com, cybernews.com, blog.maxthon.com, tech.yahoo.com

Frequently asked questions

Do free VPNs work with Netflix?

Some free VPNs can unblock Netflix, but success varies. ProtonVPN’s free tier works with some Netflix libraries, while Windscribe and hide.me may struggle due to IP blocks. Paid VPNs are far more reliable for streaming.

Can I use a free VPN for torrenting?

Most free VPNs prohibit torrenting or place data caps that make it impractical. ProtonVPN’s free plan does not support P2P; only its paid plans do. Windscribe allows torrenting but within the 10GB monthly limit.

Are there any free VPNs that don’t log data?

Yes. ProtonVPN, Windscribe, and hide.me all have verifiable no-logs policies. ProtonVPN’s policy has been independently audited and its apps are open source (Wirecutter).

How much data do free VPNs allow?

ProtonVPN is the only free VPN with unlimited data. Windscribe and hide.me offer 10GB per month. PrivadoVPN also offers 10GB. Most others cap at 2–5GB monthly.

Is it safe to use free VPN on public Wi-Fi?

Yes, if you choose a reputable provider like ProtonVPN. But untrusted free VPNs on public Wi-Fi can expose you to increased malware risks. Always stick to audited providers.

What is the difference between free and paid VPN?

Paid VPNs typically offer faster speeds, more server locations, unlimited data, and better privacy protections. Free VPNs often have ads, data caps, and may log or sell your browsing data (Norton UK).