SnakeConverter
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Developer Tools

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

Pick a tool and let's go! 🐍

{ }
JSON Formatter & Validator
Format (beautify) or minify JSON — invalid syntax is highlighted
🔒
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
🔍
Regex Tester
Live pattern matching with flag toggles and highlighted matches in the test string
🔗
URL Encode / Decode
Percent-encode text for URLs or decode encoded strings back to plain text
</>
HTML Entity Encode / Decode
Escape HTML special characters (&, <, >, ") or unescape them
01
Number Base Converter
Type in any field — instantly converted to Binary, Octal, Decimal, Hexadecimal
Roman Numeral Converter
Convert Arabic numbers (1–3999) to Roman numerals and vice-versa
✍️
Lorem Ipsum Generator
Generate placeholder text with configurable paragraphs and sentences per paragraph
📝
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
📊
JSON ↔ CSV
Convert JSON array to CSV or CSV to JSON — auto-detect format
🔍
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
🔠
Character Diff
Highlight exact character changes between two short strings
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