Skip to content
ProbeDNS

Web Utilities

Small tools that come up constantly during server work. Every one of these runs entirely in your browser: nothing you type is sent to our servers, which matters when the input is a password hash or a token.

Diagnostic order

  1. htpasswd Generator
  2. chmod Calculator
  3. Cron Expression Generator

All web utilities

htpasswd Generator

Bcrypt htpasswd lines for basic auth

chmod Calculator

Permission bits ↔ octal, with explanations

Cron Expression Generator

Build and read crontab schedules

Password Generator

Strong random passwords, locally generated

Hash Generator

SHA-256/384/512 and MD5-alternative digests in your browser

Base64 Encode / Decode

Text ↔ Base64, UTF-8 safe

URL Encode / Decode

Percent-encoding both directions

JSON Formatter

Pretty-print, minify, and validate JSON

JWT Decoder

Inspect JWT header and payload — locally, no signature check

Regex Tester

Test JavaScript regular expressions live