Developer Tools
25 ToolsFormatters, minifiers, encoders, JWT decoders, UUIDs, regex, cron, diff, and subnet tools.
Random String & Key Generator
Generate cryptographically secure random strings, passwords, and API secret keys.
Text & Code Diff Checker
Compare two blocks of text or code side-by-side to highlight differences, additions, and deletions.
CSS Formatter
Format, organize, and indent CSS stylesheets into clean readable code blocks.
cURL to Fetch Converter
Convert raw terminal cURL commands into clean modern JavaScript fetch() syntax.
SQL Formatter
Format and pretty-print SQL database queries with uppercase keywords and indentation.
HTML Formatter
Format, beautify, and cleanly indent messy HTML markup with custom indentation.
UUID / GUID Generator
Generate cryptographically secure Version-4 UUIDs / GUIDs in bulk with 1 click.
Markdown to HTML Converter
Convert Markdown syntax into clean semantic HTML markup with live visual preview.
Unix Timestamp Converter
Convert Unix Epoch timestamps (seconds & milliseconds) to human-readable dates and vice versa.
Base64 Encoder & Decoder
Encode text and files into Base64 strings or decode Base64 into clean UTF-8 text.
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect header, payload claims, and expiration dates securely.
Regex Tester
Test JavaScript regular expressions against target strings with live match count and highlighting.
JSON Formatter & Validator
Prettify, validate, minify, and inspect JSON with syntax highlighting and collapsible tree navigation.
IP Subnet Calculator (CIDR)
Calculate CIDR subnet masks, total host counts, usable IP ranges, and broadcast addresses.
JavaScript Formatter
Format and beautify unindented JavaScript and JSON code with standard syntax structure.
CSS Minifier
Compress CSS stylesheets, remove comments, and strip whitespace for faster page rendering.
HTML Minifier
Minify HTML code, strip comments, and eliminate superfluous whitespace to reduce page payload.
Hash Generator (SHA-256, SHA-512)
Generate cryptographic checksum hashes including SHA-256, SHA-512, and SHA-1 for text and verification.
Color Converter (HEX/RGB/HSL)
Convert color formats between HEX, RGB, HSL, and HSV with live interactive color preview.
HTML to Markdown Converter
Convert HTML markup into clean, readable Markdown syntax for READMEs and blogs.
User Agent Parser
Parse browser User-Agent strings to identify browser engine, version, operating system, and device.
Lorem Ipsum Generator
Generate classic Latin placeholder text for UI layouts, mockups, and typography testing.
Cron Expression Generator
Visual builder for standard 5-field cron schedule expressions with human-readable explanations.
URL Encoder & Decoder
Safely encode special query parameters into percent-encoding or decode URL components.
XML Formatter
Indent, structure, and beautify raw XML document trees and API responses.