Developer Tools Directory
Browse our collection of 50 utilities. Everything runs locally in your browser for maximum privacy and performance.
ASCII Converter
Convert text characters to ASCII code values in decimal, hex, binary, and octal.
Base64 Encoder / Decoder
Easily encode and decode text to and from Base64 format.
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, UPPERCASE, lowercase, Title Case, and more.
CIDR Calculator
Calculate subnet details, network range, broadcast addresses, and usable hosts from an IP and prefix.
Color Palette Generator
Generate color palettes using classic harmony schemes or create Tailwind CSS-compatible 50-950 shade scales.
CSS Formatter
Format, beautify, and organize your CSS stylesheets with custom spacing, brace styles, and indents.
CSV to JSON Converter
Parse CSV format and convert it into structured JSON arrays or objects.
Date Difference Calculator
Calculate the exact duration between two dates in days, weeks, months, years, or business days.
Duplicate Remover
Filter duplicate lines from lists or text files.
Email Address Validator
Validate email format, check syntax rules, identify free or disposable email providers, and detect common domain typos.
CSS Gradient Generator
Design custom CSS linear and radial gradients visually, manage color stops, and export CSS/Tailwind code.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text input.
HTML Entities Encoder / Decoder
Encode text to HTML entities or decode HTML entities back to plain text.
HTML Formatter
Clean up, validate, and beautify your HTML code with custom indents and tag formatting.
HTTP Status Code Lookup
Search, filter, and learn about HTTP status codes, their meanings, and typical use cases.
IP Lookup & Browser Details
Discover your public IP address, geolocation details, ISP, and browser details.
JS Formatter
Format, validate, and beautify your JavaScript and TypeScript code with custom semicolons, quotes, and indents.
JSON Compare
Compare two JSON objects side-by-side and highlight differences.
JSON Formatter
Format, validate, and beautify your JSON data instantly.
JSON Minify
Minify and compress your JSON data to reduce payload size.
JSON to CSV Converter
Convert JSON arrays or objects into clean, downloadable CSV tables.
JSON Viewer
Inspect, view, and navigate JSON data in an interactive tree structure.
JWT Decoder
Decode JSON Web Tokens (JWT) to inspect their header, payload, and signature with ease.
Lorem Ipsum Generator
Generate beautiful, customizable placeholder text for your designs and mockups.
Markdown Formatter
Format, beautify, and align your Markdown files, including headers, list bullets, and visually aligned tables.
Markdown to HTML Converter
Convert Markdown text markup into clean, browser-ready HTML tags.
MIME Type Lookup
Resolve file extensions to MIME types or look up file extensions associated with specific MIME types.
NanoID Generator
Generate secure, custom-length, unique NanoIDs with custom alphabets and collision probability calculations.
Password Generator
Generate highly secure, random passwords with custom lengths and character set configurations.
SQL Query Builder
Visually build SQL queries by selecting columns, tables, joins, and filters.
Regex Cheat Sheet
An interactive, searchable reference guide for regular expressions with inline pattern matching visualization.
Regex Generator
Generate regular expression patterns from common rules or natural descriptions.
Regex Tester
Test and debug JavaScript-compatible regular expressions in real-time with syntax highlighting and group capture tables.
Slug Generator
Convert any text string into a clean, SEO-friendly URL slug.
SQL Formatter
Format, beautify, and clean up your SQL queries with customizable casing and indentation.
SQL Minifier
Compress SQL queries by stripping comments, tabs, line breaks, and consecutive whitespaces.
SQL Validator
Validate the structure of SQL queries, identifying unclosed brackets, missing clauses, and syntax anomalies.
World Timezone Converter
Translate dates and times between different world timezones, manage comparison lists, and plan global meetings.
Unicode Converter
Convert characters to Unicode escape sequences and escape sequences back to text.
Unix Timestamp Converter
Translate Unix epoch timestamps (seconds & milliseconds) to human-readable dates and back, with live ticking clock and relative time.
URL Encoder / Decoder
Encode or decode strings to be safely used within URLs.
URL Parser
Parse and break down URLs into protocol, hostname, path, port, query parameters, and hash components.
URL Validator & Parser
Verify if a URL is syntactically valid, parse its protocol, hostname, path, and inspect query parameters.
User Agent Parser
Parse browser user agent strings to extract browser, operating system, device type, and engine info.
UUID / GUID Generator
Generate random Universally Unique Identifiers (UUIDs) instantly.
Word & Character Counter
Count words, characters, paragraphs, sentences, and reading time instantly.
XML Formatter
Pretty print, validate, and clean up your XML data with customizable indent options.
XML to JSON Converter
Parse XML markup documents and transform them into standard JSON structures.
YAML Formatter
Format, validate, and pretty print your YAML files with customizable indentation levels.
YAML to JSON Converter
Convert YAML configurations and structures into readable JSON format.