O2 Accelerator fully adopts the WireGuard protocol, with a code base only 1/100th the size of IPsec, yet it provides 3-5 times faster data transmission speeds. A more streamlined codebase means a smaller attack surface and higher security, allowing you to enjoy extreme speeds without worrying about privacy leaks.
O2 Accelerator implements one of the industry's strictest no-logs policies—no recording of your connection times, visited websites, IP addresses, or any browsing data. This policy has been independently audited by the internationally recognized security authority Cure53, with a full report published to ensure that every promise holds up to scrutiny.
O2 Accelerator’s intelligent routing engine continuously monitors the latency and load across global nodes, automatically connecting you to the optimal route. With just one click, experience latency as low as 15ms, whether for video conferencing, online gaming, or 4K streaming, guaranteeing a smooth and uninterrupted experience.
O2 Accelerator has deployed over 3000 high-speed servers across more than 80 countries and regions including North America, Europe, Asia-Pacific, South America, and the Middle East. Each server operates in pure RAM mode, ensuring that all data is wiped upon reboot, eliminating any possibility of data retention from the hardware level.
With a single O2 Accelerator account, you can simultaneously protect your smartphone, computer, tablet, smart TV, and router—up to 6 devices can connect at the same time, allowing your entire family to share a secure network without any extra fees. Once configured on your router, even IoT devices that do not support accelerator can be protected.
O2 Accelerator has a bilingual professional customer support team that is available 24/7. Whether it's installation configuration, connectivity issues, or account management, you can receive immediate, professional assistance through online chat or email, with an average response time of under 2 minutes.
Discover how the cutting-edge routing protocol used by O2 Accelerator delivers unmatched speed and security
O2 Accelerator has built a new routing engine based on the WireGuard protocol. WireGuard implements complete accelerator functionality with about 4000 lines of code, while traditional IPsec requires over 600,000 lines. A more compact code base results in a smaller attack surface, lower latency, and higher throughput. In our internal tests, WireGuard's handshake speed is three times faster than IKEv2 and eight times faster than IPsec.
O2 Accelerator's implementation of WireGuard utilizes the Noise protocol framework for key exchange, employing Curve25519 for ECDH key negotiation, ChaCha20-Poly1305 for symmetric encryption, and BLAKE2s for hashing. This combination of cryptographic primitives has been widely validated in both academia and industry, providing forward-looking security against quantum computing attacks.
In certain network environments, WireGuard's UDP traffic may be restricted. O2 Accelerator features an intelligent protocol switching capability that automatically detects network conditions and seamlessly transitions between WireGuard, IKEv2, and our self-developed obfuscation protocol to maintain stable connections in any environment. The entire switching process completes within 500 milliseconds, nearly imperceptible to users.
Multi-layer encryption technology and strict privacy policies provide comprehensive protection for your digital life
O2 Accelerator employs AES-256-GCM encryption mode for all transmitted data. AES-256 is currently the encryption standard approved by the NSA for protecting “Top Secret” information. Even with the most powerful supercomputers available today, it would take billions of years to crack. Each connection generates a unique session key, ensuring forward secrecy.
O2 Accelerator runs its own private DNS server cluster, with all DNS queries resolved through encrypted connections, eliminating the risk of DNS leaks. We also include WebRTC leak protection and IPv6 leak protection to ensure your real IP address is not exposed under any circumstances. You can use the built-in leak testing tool to verify your protection status at any time.
O2 Accelerator's Kill Switch feature immediately cuts off all internet traffic in the event of an unexpected accelerator disconnection, preventing any data from leaking unencrypted. This feature supports both system-level and application-level modes: system-level protects all traffic, while application-level only protects specified applications, offering maximum flexibility for users.
High-speed connections optimized specifically for streaming and online entertainment, allowing you to enjoy global content
O2 Accelerator's high-speed nodes are specifically optimized to reliably support the transmission needs of 4K Ultra HD (2160p) video streams. Whether it’s HD movies, live sports events, or music videos, O2 Accelerator provides a stable, smooth, and buffer-free viewing experience. Under gigabit broadband, connection speeds can consistently exceed 500Mbps.
O2 Accelerator has been specially optimized for online gaming. Our intelligent routing engine automatically selects the route with the lowest latency to game servers. In our tests, latency to Asia-Pacific game servers can be as low as 10ms and to North American servers as low as 60ms. DDoS protection helps prevent malicious attacks during gaming.
O2 Accelerator has enabled P2P optimization features across nodes in over 30 countries. We do not impose bandwidth or speed limits on P2P protocols like BitTorrent, while protecting your downloading activities from ISP monitoring and throttling through encrypted connections. Port forwarding can enhance seeding efficiency, supporting faster upload speeds.
Available on all platforms
One account, up to 10 simultaneous connections
O2 Accelerator is backed by guarantees you can count on
Not satisfied? Get a full refund within 30 days — no questions asked, no hassle. Try O2 Accelerator completely risk-free.
We never track, collect, or share your browsing data. Verified by independent third-party security audits.
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