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25 tools available

Security & Cryptography

Browser-native utility tools that execute 100% locally on your computer. No user accounts, registration, or server-side communication.

Password Generator & Entropy Meter

Generate strong, cryptographically secure passwords with custom criteria and entropy strength assessment locally.

Web Crypto API
Launch Tool

Text Encryptor

Free browser-based Text Encryptor tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactWeb Crypto API
Launch Tool

Hash Generator

Free browser-based Hash Generator tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactWeb Crypto API
Launch Tool

RSA Key Generator

Free browser-based RSA Key Generator tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactWeb Crypto API
Launch Tool

File Hash Verifier

Free browser-based File Hash Verifier tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactFileReader API
Launch Tool

Image Steganography

Free browser-based Image Steganography tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactCanvas API
Launch Tool

TOTP Generator

Free browser-based TOTP Generator tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactHMAC-SHA1
Launch Tool

Base32 Base58 Converter

Free browser-based Base32 Base58 Converter tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactCodec Logic
Launch Tool

URL Safe Base64

Free browser-based URL Safe Base64 tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactBase64 Utility
Launch Tool

Credit Card Validator

Free browser-based Credit Card Validator tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactLuhn Algorithm
Launch Tool

Password Strength Analyzer

Free browser-based Password Strength Analyzer tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactEntropy Math
Launch Tool

Web Crypto Lab

Free browser-based Web Crypto Lab tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactWeb Crypto API
Launch Tool

SSL Info Viewer

Free browser-based SSL Info Viewer tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactCloudflare Trace API
Launch Tool

DNS Lookup

Free browser-based DNS Lookup tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactDoH APIs
Launch Tool

GPS Photo Detector

Free browser-based GPS Photo Detector tool. Run fully locally and privately on your device. No server uploads or data logging.

Reactpiexifjs
Launch Tool

URL Threat Analyzer

Free browser-based URL Threat Analyzer tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactPunycode logic
Launch Tool

Tls Protocol Helper

Free browser-based Tls Protocol Helper tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactSecurity references
Launch Tool

X509 Decoder

Free browser-based X509 Decoder tool. Run fully locally and privately on your device. No server uploads or data logging.

Reactnode-forge
Launch Tool

Port Scanner Local

Free browser-based Port Scanner Local tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactFetch API latency check
Launch Tool

Storage Inspector

Free browser-based Storage Inspector tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactStorage API
Launch Tool

IP Geolocator

Free browser-based IP Geolocator tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactIP Geolocation API
Launch Tool

Secure Token Generator

Free browser-based Secure Token Generator tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactWeb Crypto API
Launch Tool

File Encryptor Decryptor

Free browser-based File Encryptor Decryptor tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactWeb Crypto API
Launch Tool

Email Header Analyzer

Free browser-based Email Header Analyzer tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactSMTP parser
Launch Tool

Sandbox Tester

Free browser-based Sandbox Tester tool. Run fully locally and privately on your device. No server uploads or data logging.

ReactHTML5 iframe sandbox
Launch Tool

Secure Client-Side Sandbox

All tools displayed in this category run locally in your browser sandbox. None of the inputs, file data, or processing logs are sent to any remote servers or APIs.