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⚡ Dev Arsenal

Developer utilities — formatters, converters, generators, validators. All 40 tools live. Privacy-first, runs in your browser.

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Password Generator

Strong random passwords

Format & validate JSON

QR Code Generator

Generate QR codes

Timestamp Converter

Unix ↔ ISO 8601 ↔ human

Markdown to HTML

Convert markdown to HTML

HEX, RGB, HSL picker

Words, chars, reading time

Lorem Ipsum Generator

Placeholder text

Base64 Encoder/Decoder

Encode & decode Base64

Side-by-side text diff

CSS Flexbox Playground

Visual flexbox builder

Number Base Converter

HEX/Binary/Dec/Oct

camelCase/snake_case +12

URL Encoder/Decoder

URL encode/decode

Color Converter

HEX↔RGB↔HSL↔HSV

HTTP Status Codes

Reference: 1xx-5xx

Test regex patterns

CSS Grid Generator

Visual grid builder

Bidirectional converter

IP / CIDR Calculator

Subnet calculator

Decode JWT tokens

Markdown Editor

Live markdown preview

MD5, SHA1, SHA256

curl → fetch/axios/python

MIME Type Lookup

Cron Expression Parser

Parse & explain cron

Convert CSV to JSON

CSS Gradient Generator

Linear/radial gradients

Format/minify/validate XML

Mock API / JSON Generator

Realistic mock data

Visual shadow builder

Text Diff Checker

Compare two texts

Crontab Generator

Build cron + presets

URL-friendly slugs

UUID v1, v4 generator

Format & beautify HTML

Convert JSON to CSV

Encode/decode entities

Format SQL queries

Generate signed JWTs