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Free Technology Tools & Calculators

Developer tools, network utilities, security tools, and tech calculators for software engineers, IT professionals, system administrators, and tech enthusiasts. All tools run entirely in the browser — no data is sent to any server.

20+Free Tools
100%Browser-Based
No DataSent to Server
50+Languages
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Free Developer & IT Tools — Instant & Private

Our password generator uses cryptographically secure randomness to create strong, unique passwords with custom rules. The IP subnet calculator supports IPv4 and IPv6 CIDR notation with host count and broadcast address. For data encoding, our Base64 encoder/decoder and JSON formatter handle all common formats.

Security & Network Tools

The password strength meter estimates crack time using zxcvbn algorithm. Our bandwidth calculator estimates file transfer times across connection types. For cybersecurity-specific tools, see our Cybersecurity tools and Software Development tools.

Technology Tools — FAQ