Developer Tools Directory

Browse our collection of 100 utilities. Everything runs locally in your browser for maximum privacy and performance.

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Encoding

ASCII Converter

Convert text characters to ASCII code values in decimal, hex, binary, and octal.

Conversion

Base64 Encoder / Decoder

Easily encode and decode text to and from Base64 format.

Security

Bcrypt Generator

Generate bcrypt password hashes and perform verifications using custom salts.

Conversion

Binary to Hex Converter

Convert raw binary streams (base-2) into hexadecimal representation (base-16) and vice versa.

Conversion

Binary to Text Converter

Translate binary code strings (base-2) back into readable plain ASCII/UTF-8 text.

Formatting

C/C++ Code Formatter

Beautify C and C++ source code files matching structural code specifications.

Text

Case Converter

Convert text between camelCase, snake_case, kebab-case, PascalCase, UPPERCASE, lowercase, Title Case, and more.

Networking

CIDR Calculator

Calculate subnet details, network range, broadcast addresses, and usable hosts from an IP and prefix.

Conversion

Color HSL Converter

Convert Hex/RGB color values to HSL (Hue, Saturation, Lightness) format and back.

Generators

Color Palette Generator

Generate color palettes using classic harmony schemes or create Tailwind CSS-compatible 50-950 shade scales.

Conversion

Cron Expression Descriptor

Convert crontab expression syntax into human-readable text descriptions.

Validation

Cron Expression Validator

Verify crontab expression validity and inspect execution intervals.

Formatting

CSS Formatter

Format, beautify, and organize your CSS stylesheets with custom spacing, brace styles, and indents.

Formatting

CSS Minifier

Remove whitespace, line breaks, comments, and empty rulesets to optimize CSS stylesheets.

Conversion

CSV to JSON Converter

Parse CSV format and convert it into structured JSON arrays or objects.

Date & Time

Date Difference Calculator

Calculate the exact duration between two dates in days, weeks, months, years, or business days.

Conversion

Decimal to Binary Converter

Convert standard base-10 decimal numbers into binary, octal, and hexadecimal bases.

Networking

DNS Lookup

Query DNS servers to inspect A, AAAA, CNAME, MX, TXT, and NS resource records.

Generators

Dockerfile Generator

Create optimized, secure Dockerfile configuration templates for various project frameworks.

Text

Duplicate Remover

Filter duplicate lines from lists or text files.

Validation

Email Address Validator

Validate email format, check syntax rules, identify free or disposable email providers, and detect common domain typos.

Generators

.gitignore Generator

Generate ready-to-use .gitignore configuration files for operating systems, languages, and IDEs.

Generators

CSS Gradient Generator

Design custom CSS linear and radial gradients visually, manage color stops, and export CSS/Tailwind code.

Formatting

GraphQL Formatter

Beautify and pretty-print GraphQL queries with clean structural indentations.

Security

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text input.

Conversion

Hex to RGB Converter

Translate hexadecimal color codes into RGB/RGBA format, including CSS helpers.

Security

HMAC Generator

Generate Hash-based Message Authentication Codes (HMAC) using cryptographic algorithms.

Generators

.htaccess Generator

Create Apache .htaccess configuration files for URL rewriting, security, and redirections.

Encoding

HTML Entities Encoder / Decoder

Encode text to HTML entities or decode HTML entities back to plain text.

Formatting

HTML Formatter

Clean up, validate, and beautify your HTML code with custom indents and tag formatting.

Formatting

HTML Minifier

Compress and minify HTML code by removing whitespace, comments, and redundant attributes.

Validation

HTML Validator

Check simple HTML fragments for mismatched or unclosed tags using a lightweight tag-stack validator.

Web

HTTP Headers Inspector

Explore a sample HTTP response header table and learn what common fields mean.

Web

HTTP Status Code Lookup

Search, filter, and learn about HTTP status codes, their meanings, and typical use cases.

Networking

IP Lookup & Browser Details

Discover your public IP address, geolocation details, ISP, and browser details.

Formatting

JS Formatter

Format, validate, and beautify your JavaScript and TypeScript code with custom semicolons, quotes, and indents.

Formatting

JS Minifier

Minify JavaScript code to reduce file sizes for faster page load times.

JSON

JSON Compare

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

Formatting

JSON Formatter

Format, validate, and beautify your JSON data instantly.

JSON

JSON Minify

Minify and compress your JSON data to reduce payload size.

Generators

JSON Mock Data Generator

Produce synthetic JSON data arrays matching complex structures for developer APIs.

Validation

JSON Schema Validator

Validate JSON document data against draft definitions matching JSON Schema specs.

Conversion

JSON to CSV Converter

Convert JSON arrays or objects into clean, downloadable CSV tables.

Conversion

JSON to XML Converter

Convert JavaScript Object Notation (JSON) format into Extensible Markup Language (XML).

Conversion

JSON to YAML Converter

Convert standard JSON files into clean, readable, space-indented YAML.

JSON

JSON Viewer

Inspect, view, and navigate JSON data in an interactive tree structure.

Security

JWT Decoder

Decode JSON Web Tokens (JWT) to inspect their header, payload, and signature with ease.

Generators

Lorem Ipsum Generator

Generate beautiful, customizable placeholder text for your designs and mockups.

Generators

Lorem Pixel Image Generator

Generate customizable visual mock placeholder images using selected dimensional themes.

Formatting

Markdown Formatter

Format, beautify, and align your Markdown files, including headers, list bullets, and visually aligned tables.

Generators

Markdown Table Generator

Interactively build and format markdown tables with alignment and sizing options.

Conversion

Markdown to HTML Converter

Convert Markdown text markup into clean, browser-ready HTML tags.

Web

MIME Type Lookup

Resolve file extensions to MIME types or look up file extensions associated with specific MIME types.

Database

MongoDB Query Builder

Generate standard MongoDB shell find queries using structured visual controls.

Generators

NanoID Generator

Generate secure, custom-length, unique NanoIDs with custom alphabets and collision probability calculations.

Formatting

Nginx Config Formatter

Beautify and clean Nginx server block configuration file alignments.

Security

Password Generator

Create configurable random strings for development, fixtures, and password-policy testing.

Generators

Placeholder Image Generator

Generate dynamic SVG placeholder images with custom text, colors, and dimensions.

Networking

Common Port Checker

Check connectivity status on standard network port ranges for hostnames.

Formatting

Python Code Formatter

Format Python code scripts matching standard PEP 8 spacing styling patterns.

Web

SQL Query Builder

Visually build SQL queries by selecting columns, tables, joins, and filters.

Generators

README.md Generator

Generate structure templates for standard project README documentation files.

Database

Redis Cheat Sheet

Browse, filter, and search standard Redis commands and command groups with examples.

Regex

Regex Cheat Sheet

An interactive, searchable reference guide for regular expressions with inline pattern matching visualization.

Regex

Regex Generator

Generate regular expression patterns from common rules or natural descriptions.

Regex

Regex Tester

Test and debug JavaScript-compatible regular expressions in real-time with syntax highlighting and group capture tables.

Conversion

RGB to Hex Converter

Convert RGB/RGBA functional color values to standard 3, 6, or 8-digit Hexadecimal strings.

Security

RSA Key Pair Generator

Generate cryptographically secure public and private RSA key pairs in standard PEM format.

Web

Security Headers Analyzer

Inspect HTTPS headers of remote websites and score deployment configuration protection.

Validation

SemVer Checker

Explore a focused semantic-version matching example for 1.2.x releases.

Text

Slug Generator

Convert any text string into a clean, SEO-friendly URL slug.

Generators

SQL Data Generator

Generate customizable mock SQL INSERT statements for testing database schemes.

Formatting

SQL Formatter

Format, beautify, and clean up your SQL queries with customizable casing and indentation.

Database

SQL Minifier

Compress SQL queries by stripping comments, tabs, line breaks, and consecutive whitespaces.

Database

SQL Pretty Printer

Beautify nested SELECT, JOIN, and UNION statements using structured SQL formatting rules.

Database

SQL Validator

Validate the structure of SQL queries, identifying unclosed brackets, missing clauses, and syntax anomalies.

Networking

Subdomain Finder

Explore potential subdomains for main hostnames via active query structures.

Conversion

SVG to PNG Converter

Convert vector SVG markup or files to raster PNG images with custom sizes.

Text

Text Diff Checker

Compare two text snippets side-by-side and highlight additions, deletions, and differences.

Text

Text Reverser

Reverse letters, strings, words, or paragraphs instantly with formatting options.

Date & Time

World Timezone Converter

Translate dates and times between different world timezones, manage comparison lists, and plan global meetings.

Formatting

TOML Formatter

Pretty-print TOML configuration files with customizable spacing and sorting options.

Conversion

TOML to JSON Converter

Parse TOML configurations and translate them into standard JSON documents.

Conversion

TOML to YAML Converter

Convert TOML configuration syntax to clean, readable YAML.

Security

TOTP Generator

Generate and verify Time-based One-time Passwords matching standard authenticator schemes.

Encoding

Unicode Converter

Convert characters to Unicode escape sequences and escape sequences back to text.

Date & Time

Unix Timestamp Converter

Translate Unix epoch timestamps (seconds & milliseconds) to human-readable dates and back, with live ticking clock and relative time.

Web

URL Tracking Cleaner

Strip tracking tokens like UTM markers and analytics payloads from target links.

Conversion

URL Encoder / Decoder

Encode or decode strings to be safely used within URLs.

Web

URL Parser

Parse and break down URLs into protocol, hostname, path, port, query parameters, and hash components.

Validation

URL Validator & Parser

Verify if a URL is syntactically valid, parse its protocol, hostname, path, and inspect query parameters.

Web

User Agent Parser

Parse browser user agent strings to extract browser, operating system, device type, and engine info.

Security

UUID / GUID Generator

Generate random Universally Unique Identifiers (UUIDs) instantly.

Text

Word & Character Counter

Count words, characters, paragraphs, sentences, and reading time instantly.

Formatting

XML Formatter

Pretty print, validate, and clean up your XML data with customizable indent options.

Conversion

XML to JSON Converter

Parse XML markup documents and transform them into standard JSON structures.

Conversion

XML to YAML Converter

Convert structured XML documents to clean and readable YAML format.

Formatting

YAML Formatter

Format, validate, and pretty print your YAML files with customizable indentation levels.

Conversion

YAML to JSON Converter

Convert YAML configurations and structures into readable JSON format.

Validation

YAML Validator

Check YAML configuration syntax correctness and locate parser issues instantly.