Useful browser tools for DevOps engineers

Fast, local utilities for everyday operations work.

Generate secrets, transform encoded values, create UUIDs, format JSON, explain Cron schedules, inspect JWTs, calculate CIDR ranges, and more. Everything runs in your browser.

Secrets Password generator Encoding Base64 encode / decode Scheduling Cron helper Integrity SHA-256 hash Identifiers UUID generator Formatting JSON formatter Time Timestamp converter Web URL encode / decode Config YAML lint / cleanup Security JWT decoder Network CIDR calculator Logs Regex tester Config Text diff Web HTTP helper

Secrets

Password generator

Length Uppercase Lowercase Numbers Symbols

Encoding

Base64 encode / decode

Input

Integrity

SHA-256 hash

Text to hash

Identifiers

UUID generator

Formatting

JSON formatter / minifier

JSON input

Time

Unix timestamp converter

Unix timestamp or ISO date

Scheduling

Cron schedule helper

Validate a 5-field Cron expression and preview the next UTC run times. Supports lists, ranges, steps, and month or weekday names.

Cron expression

Web

URL encode / decode

Input

Config

YAML lint / cleanup

Lightweight checks for indentation, tabs, common key/value mistakes, and trailing spaces.

YAML input

Security

JWT decoder

JWT

Network

CIDR calculator

IPv4 CIDR

Logs

Regex tester

Pattern Flags

Test text

Config

Text diff

Original Updated

Web

HTTP status / header helper

Status code Header line