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Format JSON, generate QR codes, decode tokens, hash data, compress images, and inspect networks. 100% free, client-side, and privacy-first.

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Security & Network

Cryptographic hashing, passwords, IP inspection, and network calculation utilities.

Security & Network

Generate strong, cryptographically secure passwords or memorable Diceware passphrases with custom rules.

Client-side

Security & Network

Check your public IP address, User-Agent details, browser specs, device screen info, and request headers.

Client-side

Security & Network

Calculate network address, broadcast address, netmask, wildcard mask, and usable host ranges from CIDR notation.

Client-side

Your code, text, tokens, and data never leave your browser. All computations happen entirely client-side.

Instant execution without server waiting times, rate-limiting, or annoying captchas.

Completely free with no subscriptions, accounts, or hidden paywalls. Built for developers and creators.