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SnakeConverter

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Developer Tools

10 tools — JSON, Hash, UUID, Regex, URL, HTML, Base, Roman, Lorem & Markdown

{ }

JSON Formatter & Validator

Format (beautify) or minify JSON — invalid syntax is highlighted

Format Minify

Convert Copy

🔒

Hash Generator

SHA-1, SHA-256, SHA-384, SHA-512 — uses browser's native SubtleCrypto API

🔑

UUID v4 Generator

Cryptographically secure random UUIDs using crypto.randomUUID

Count Generate

🔍

Regex Tester

Live pattern matching with flag toggles and highlighted matches in the test string

g global i ignore-case m multiline s dot-all

🔗

URL Encode / Decode

Percent-encode text for URLs or decode encoded strings back to plain text

Encode Decode

Copy

</>

HTML Entity Encode / Decode

Escape HTML special characters (&, <, >, ") or unescape them

Encode Decode

Copy

01

Number Base Converter

Type in any field — instantly converted to Binary, Octal, Decimal, Hexadecimal

Decimal (base 10)

Hexadecimal (base 16)

Binary (base 2)

Octal (base 8)

Ⅻ

Roman Numeral Converter

Convert Arabic numbers (1–3999) to Roman numerals and vice-versa

Number → Roman Roman → Number

—

✍️

Lorem Ipsum Generator

Generate placeholder text with configurable paragraphs and sentences per paragraph

Paragraphs

Sentences each

Generate Copy

📝

Markdown Preview

Live side-by-side markdown rendering — type on the left, see HTML on the right

Markdown

Preview

🗜️

CSS Minifier

Minify CSS and see size reduction percentage

Minify Copy

📊

JSON ↔ CSV

Convert JSON array to CSV or CSV to JSON — auto-detect format

Convert Copy

🔍

Diff Checker

Highlight added and removed lines between two texts

Original

Modified

⏰

CRON Parser

Parse cron expressions and show next 5 run times

🔐

JWT Encoder (HS256)

Sign a JWT token with a secret using HS256 (SubtleCrypto)

Payload (JSON)

Secret

Sign JWT Copy

🔠

Character Diff

Highlight exact character changes between two short strings