30+ developer tools. No login required. Just tools.
JSON Formatter
Format, validate, and minify JSON.
YAML Formatter
Validate and format YAML.
HTML Formatter
Beautify and minify HTML.
SQL Formatter
Beautify and format SQL queries.
Base64
Encode and decode Base64 strings.
URL Encode / Decode
Percent-encode and decode URLs.
HTML Entities
Encode and decode HTML entities.
JWT Decoder
Decode and inspect JWT tokens.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
Image → Base64
Convert images to Base64 data URIs.
Timestamp Converter
Convert Unix epoch timestamps to readable dates.
JSON ↔ YAML
Convert between JSON and YAML formats.
JSON ↔ CSV
Convert between JSON arrays and CSV.
Number Base
Convert between decimal, hex, binary, and octal.
Color Converter
Convert between HEX, RGB, HSL, and HSV colors.
Case Converter
Convert text between camelCase, snake_case, kebab-case.
cURL → Fetch
Convert cURL commands to JavaScript fetch().
Markdown Preview
Live preview Markdown as rendered HTML.
HTML Preview
Render and preview HTML in real time.
Mermaid Preview
Render Mermaid diagrams from text.
UUID Generator
Generate v4 UUIDs instantly.
Lorem Ipsum
Generate lorem ipsum placeholder text.
JSON Schema Generator
Generate a JSON Schema from a JSON example.
Text Diff
Compare two texts and highlight differences.
Regex Tester
Test and debug regular expressions.
Word Counter
Count words, characters, lines, and reading time.
Token Estimator
Estimate GPT / Claude token count for any text.
Cron Parser
Parse and explain cron expressions in plain English.
.env Parser
Parse .env files into a clean key-value table.
HTTP Status Codes
Quick reference for all HTTP status codes.