Developer Tools Hub

Format, validate, and minify JSON with syntax highlighting

Compare two JSON objects side-by-side and highlight differences

Export JSON arrays to CSV with nested object flattening

Parse CSV files into structured JSON arrays

Convert JSON objects to XML with pretty-print output

Parse XML and convert to clean JSON

Convert between JSON and YAML formats bidirectionally

Parse URL query parameters into JSON with nested support

Convert between comma-separated and tab-separated formats

Live Markdown editor with real-time HTML preview

Convert Markdown to production-ready HTML

Convert HTML pages to Markdown format

Count words, characters, sentences, and reading time

Compare two texts and highlight differences line-by-line

Convert to uppercase, lowercase, title case, and more

Remove extra spaces, special characters, and whitespace noise

Deduplicate lines from lists, logs, or any text

Sort lines alphabetically, numerically, or in reverse

Keep or remove lines matching a keyword or regex pattern

Generate placeholder text by word, sentence, or paragraph count

Convert text to URL-friendly slugs for SEO

Encode text and binary data as Base64

Encode or decode Base32 per RFC 4648

Percent-encode and decode URLs

Generate MD5, SHA-1, and SHA-256 hashes

Create HMAC signatures with a secret key

Hash and verify passwords with bcrypt

Strong random passwords with strength indicator

Generate memorable multi-word passphrases

Generate secure random PIN codes

Generate custom random strings with any character set

Generate cryptographically secure API keys

Generate RFC4122 v4 UUIDs in bulk

Inspect JWT header, payload, and signature

Test regex patterns with live match highlighting

Encode text as hexadecimal and decode back

Convert Unix epoch timestamps to human dates with timezone support

Convert cURL commands to JavaScript fetch or Python requests

Convert between HEX, RGB, and HSL color formats

Generate complementary and analogous color schemes

Convert length, weight, temperature, area, and volume

Convert between binary, octal, decimal, and hexadecimal

Convert between Arabic numbers and Roman numerals

Convert between bytes, KB, MB, GB, and TB

Break URLs into protocol, host, path, query, and fragment

Convert images to Base64 data URIs for HTML embedding

Detect your public IP, browser, and screen info

Minify or beautify CSS stylesheets

Minify or beautify JavaScript code

Beautify or minify HTML markup

Escape special HTML characters to entities

Remove all HTML tags to extract plain text

Searchable reference for all HTML entity codes

Beautify and format SQL queries

Format, validate, and minify XML documents instantly

Validate YAML syntax and preview parsed structure

Escape or unescape JSON string values

Generate SEO, Open Graph, and Twitter Card meta tags

Create QR codes for URLs, text, and more

Explain cron expressions in plain English