Focused utilities for everyday technical work.
Seven clear, account-free tools for security, networking, documents, hashing, and Unix timestamps.
Password Generator
Create strong, unique passwords using the cryptographic random generator built into your browser.
TO UtilityTOTP Generator
Generate RFC 6238 time-based codes locally from a Base32 secret.
WH UtilityWhat Is My IP?
Check the public address and request metadata visible to the application server.
MA UtilityMarkdown Editor
Write Markdown, preview it safely, download the source, or create a polished A4 PDF.
CI UtilityCIDR Calculator
Calculate a normalized IPv4 network, masks, address range, broadcast address, and usable hosts.
HA UtilityHash Generator
Calculate lowercase hexadecimal hashes for text or a local file using Web Crypto.
TI UtilityTimestamp Converter
Convert Unix seconds or milliseconds into ISO 8601, UTC, local time, and a relative description.
Clear processing boundaries
Browser-only tools keep their calculation inputs on your device. Server-assisted tools identify exactly what is transmitted and why.