// developer utilities
Dev Tools
A collection of handy utilities for network diagnostics, text manipulation, crypto, and formatting. All processing happens in your browser — no data leaves your machine.
Network Tools
Fetch your public IP address and basic geolocation info.
Query DNS records for any domain using Google DNS over HTTPS.
Measure round-trip time to a host via HTTP HEAD request.
Query domain registration info via RDAP.
Text & Crypto Tools
Encrypt or decrypt text using AES-GCM with a passphrase. Output is Base64.
Convert text to Base64 or decode Base64 back to text.
Generate MD5, SHA-1, or SHA-256 hashes from text.
Generate secure random passwords with customizable length and character sets.
Other Utilities
Generate RFC4122 version 4 UUIDs.
Validate, format, and minify JSON with syntax error reporting.
Convert between Unix timestamps and human-readable dates.
Encode or decode URL components safely.