mytoolstash / dev

17 tools

Developer Tools

Formatters, encoders, generators, and references for programmers.

$ format --json

JSON Formatter & Validator

Pretty-print, minify, and validate JSON with clear errors.
$ base64

Base64 Encoder / Decoder

Text to and from Base64 with full UTF-8 support.
$ grep -E

Regex Tester

Live match highlighting with flags and capture groups.
$ uuidgen

UUID Generator

Cryptographically random v4 UUIDs, singly or in bulk.
$ jwt decode

JWT Decoder

Inspect token headers, payloads, and expiry safely.
$ sha256sum

Hash Generator

SHA-1 through SHA-512 digests as you type.
$ urlencode

URL Encoder / Decoder

Percent-encode query values or full URLs.
$ tr case

Case Converter

camelCase, snake_case, kebab-case, and seven more.
$ escape

HTML Entity Encoder

Escape and unescape special characters for HTML.
$ md

Markdown Previewer

Live side-by-side rendering with HTML export.
$ csv2json

CSV ⇄ JSON Converter

Both directions with header and quote handling.
$ printf %x

Number Base Converter

Binary, octal, decimal, and hex, live.
$ curl -I

HTTP Status Codes

Plain-English reference for 1xx through 5xx.
$ man ascii

ASCII Table

Printable characters 32-127 with codes.
$ ipcalc

IP Subnet Calculator

CIDR to network, broadcast, mask, and host range.
$ crontab

Cron Expression Generator

Build cron schedules with plain-English readout.
$ color

Color Converter

HEX, RGB, and HSL with live preview and picker.