All Available Tools

Every tool on this page works entirely in your browser. No data gets sent to us or anyone else.

All Tools in One Place

This catalog contains 150+ professional utilities organized into 16 focused categories. Each tool is designed to solve specific problems that come up in daily digital work - from encoding data for web APIs to formatting code, checking passwords, converting units, resizing images, and working with PDFs.

Current Catalog Breakdown

The catalog currently includes 155 visible tools across these categories:

  • Code Formatters & Beautifiers: 47 tools
  • Unit Converters: 20 tools
  • Clothing & Shopping: 14 tools
  • Time & Date: 13 tools
  • UUID Tools: 11 tools
  • PDF Tools: 8 tools
  • Finance & Money: 7 tools
  • Hashing Tools: 7 tools
  • Health & Fitness: 6 tools
  • Randomizers: 5 tools
  • Security Tools: 4 tools
  • Encoders & Decoders: 4 tools
  • QR Codes: 3 tools
  • Cooking & Kitchen: 3 tools
  • Image Tools: 2 tools
  • AI Tools & Guides: 1 tool

Why Browser-Based Processing?

Unlike traditional online tools that upload your data to remote servers, everything here processes locally in your browser. This approach is faster, more private, and eliminates security concerns about sensitive information like API keys, passwords, or proprietary code leaving your device.

The tools use built-in web technologies to handle everything from simple text encoding to complex code formatting. No installations required, no accounts to create, no waiting for server responses.

What You Can Accomplish

Security & Passwords: Generate cryptographically secure passwords, analyze existing password strength, and create memorable passphrases following current security standards.

Data Processing: Convert between encoding formats like Base64, URL encoding, and HTML entities. Create hashes for file verification and data integrity checking.

Code Formatting: Clean up and organize code in 50+ programming languages, from common ones like JavaScript and Python to specialized tools for Docker, blockchain development, and scientific computing.

Unique Identifiers: Generate UUIDs for databases, create short IDs for URLs, or use modern alternatives like ULID that sort naturally and work better with distributed systems.

Documents, Images, and PDFs: Resize images, compress files, convert between document-friendly formats, and handle common PDF workflows directly in the browser.

Random Data Generation: Create test data, make fair team selections, generate random numbers for research, or shuffle lists using proven algorithms.

Designed for Real Work

Each tool handles both quick one-time tasks and larger batch processing needs. Whether you're encoding a single URL for an API call or formatting hundreds of lines of messy code, these utilities are built to handle actual workloads without performance issues.

The interface stays clean and focused - no complex menus, unnecessary features, or distracting elements. Just the functionality you need to get your work done efficiently.


Browse tools by category below.

AI Tools & Guides

Essential AI tools and comprehensive guides for developers — token counting, security practices, glossary, MCP, AI agents, and more

LLM Token Counter

Calculate token counts for OpenAI, Claude, Gemini, and other LLMs instantly. Estimate API costs, optimize prompts, and understand token usage across different models.

Security Tools

Comprehensive cybersecurity toolkit featuring password analysis, secure generation tools, and expert guidance following NIST guidelines and industry best practices.

Password Strength Checker 2025

Advanced password security analyzer using entropy calculation and pattern recognition to evaluate strength against dictionary attacks and provide improvement recommendations.

JWT Decoder

Decode JWT header, payload, claims, timestamps, and raw segments locally with clear guidance that signatures are not verified.

Password Generator 2025

Generate cryptographically secure passwords with customizable length, character sets, and real-time strength analysis for enterprise compliance.

XKCD Passphrase Generator 2025

Create memorable yet secure passphrases using EFF wordlists with customizable separators and capitalization for master passwords requiring memorization.

Funny Password Generator 2025

Generate entertaining yet cryptographically secure passwords combining humor with strong security through creative word combinations and pop culture references.

QR Codes

Generate, scan, and validate QR codes for links, text, Wi-Fi, email, phone numbers, and SMS directly in your browser.

QR Code Generator

Create static QR codes for links, text, Wi-Fi, email, phone numbers, and SMS. Export PNG or SVG locally.

QR Code Scanner

Scan QR codes from uploaded images or your camera, then copy the result or open links locally.

QR Code Validator

Check whether a QR image decodes cleanly and review practical scanability signals such as contrast, quiet zone, and image size.

Time & Date

Calculate ages in years and months, add or subtract dates, measure time durations, find week numbers, and convert Roman numerals. Privacy-focused, all calculations happen locally without storing personal data.

Timezone Converter

Convert time between 594+ IANA time zones. Compare multiple cities and handle daylight saving time automatically.

Date Calculator

Add or subtract days, weeks, months, and years from any date. Calculate business days and date differences.

Days from Today Calculator

Add or subtract days, weeks, or months from today. Calculate target dates and distance metrics instantly.

Time Duration Calculator

Calculate time spans between two times. Add, subtract, multiply, and divide hours, minutes, and seconds.

Work Hours Calculator

Calculate work hours, breaks, overtime, and total time for payroll and time tracking.

Military Time Converter

Convert between 12-hour (AM/PM) and 24-hour military time formats instantly.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds format.

Cron Expression Parser

Parse Unix cron expressions, explain each field, and preview upcoming run times in a selected timezone.

Decimal Time Converter

Convert time to decimal hours for payroll. Convert decimal hours back to hours:minutes format.

World Clock

Display current time in multiple cities worldwide. Compare local times, daylight saving offsets, and time differences across time zones.

Weekday Calculator

Find day of week for any date in history or future. Discover what day you were born or any historical event occurred.

Week Number Calculator

Find ISO week numbers and convert between dates and week numbers for any date.

Age Calculator

Calculate exact age in years, months, days, hours, minutes, and seconds. Track birthdays and anniversaries.

Roman Numeral Converter

Convert between Arabic numbers and Roman numerals. Perfect for years, dates, and historical references.

Clothing & Shopping

Convert clothing and accessory sizes between different international standards. Privacy-focused, all conversions happen locally without storing personal data.

Shoe Size Converter

Convert shoe sizes between US, EU, UK, CN, JP, AU, and more using chart-based references for men's, women's, and kids' sizes.

Clothing Size Converter

Convert clothing sizes between US, EU, UK, AU, JP, CN systems for dresses, shirts, pants and more with accurate fit guidance.

Bra Size Converter

Convert supported bra size references between US, UK, EU, FR, AU, and JP systems with sister-size guidance.

Ring Size Converter

Convert ring sizes between US, EU, UK, JP, CN, AU systems. Calculate from diameter or circumference measurements.

Belt Size Converter

Estimate alpha belt sizes from waist measurements in inches or centimeters.

Hat Size Converter

Convert hat sizes between US, EU, UK, AU, JP systems. Calculate from head circumference measurements.

Glove Size Converter

Estimate glove sizes between US, EU, and UK labels from hand length measurements.

Jeans & Pants Converter

Convert jeans waist × inseam sizes between inch and centimeter references with approximate EU-style labels.

Sportswear Size Converter

Convert athletic apparel letter sizes across US, EU, and UK labels with optional brand fit notes.

Kids & Baby Clothing

Estimate children's and baby clothing sizes from age, height, or weight across US, EU, and UK labels.

Shirt Size Converter

Convert shirt sizes between letter sizes, EU, UK, and Asia labels with chart-based measurement estimates.

Pants Inseam Converter

Convert pants inseam lengths between inches, centimeters, US length labels, and EU length labels.

Sleeve Length Converter

Convert sleeve length measurements between inches and centimeters and estimate a shirt or jacket sleeve category.

Socks & Tights Converter

Estimate sock and tights sizes from shoe size, foot length, and height measurements.

Cooking & Kitchen

Privacy-focused cooking calculators for recipe scaling, unit conversion, temperature conversion, and more. All calculations happen locally without storing personal data.

Recipe Converter

Scale recipes up or down by servings or percentage with smart ingredient rounding for accurate measurements.

Kitchen Unit Converter

Convert cooking measurements (volume, weight, temperature) with ingredient-specific densities for accurate recipe conversions.

Cooking Temperature Converter

Convert between Fahrenheit, Celsius, and Gas Mark with oven settings and cooking method guidance for perfect baking and roasting.

Unit Converters

Convert between different measurement units with precision and accuracy. Supports metric, imperial, scientific, and traditional measurement systems.

Length Converter

Convert between meters, feet, inches, kilometers, miles, and 25+ other length units. Supports metric, imperial, scientific, nautical, and traditional measurement systems.

Weight Converter

Convert between kilograms, pounds, ounces, grams, tons, and more. Supports metric, imperial, scientific, and traditional weight measurement units.

Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur temperature scales for science, weather, and cooking applications.

Volume Converter

Convert between liters, gallons, cubic meters, cups, and 40+ volume units. Supports metric, US customary, UK imperial, and cubic measurements.

Dry Volume Converter

Convert between bushels, pecks, cubic feet, liters (dry), and other units for agriculture, lumber, and dry goods measurement.

Area Converter

Convert between square meters, acres, hectares, square feet, and other area units for land measurement, construction, and real estate.

Energy Converter

Convert between joules, kilowatt-hours, calories, BTU, and other energy units for physics, engineering, and nutrition calculations.

Data Storage Converter

Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, and binary units (KiB, MiB, GiB) for digital storage calculations.

Fuel Consumption Converter

Convert between L/100km, MPG (US/UK), km/L for vehicle fuel efficiency and economy comparisons across different measurement systems.

Power Converter

Convert between watts, kilowatts, horsepower, BTU/h, and other power units for electrical engineering and mechanical applications.

Pressure Converter

Convert between pascals, bar, PSI, atmospheres, mmHg, and other pressure units for weather, engineering, and scientific measurements.

Speed Converter

Convert between km/h, mph, m/s, knots, and other speed units for transportation, physics, and maritime applications.

Time Converter

Convert between seconds, minutes, hours, days, weeks, months, years, and astronomical time units including milliseconds and nanoseconds.

Binary/Hex/Decimal Converter

Convert between binary, hexadecimal, decimal, and octal number systems.

Morse Code Translator

Convert text to Morse code and decode Morse code back to text.

Number to Words Converter

Convert numbers to English words instantly (0-999,999,999). Perfect for cheques, legal documents, and formal writing.

Reverse Text Generator

Reverse text, words, lines, and characters with multiple reversal options.

Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.

Regex Tester

Test JavaScript regular expressions with match highlighting, capture groups, flags, and replacement preview.

Color Converter

Convert colors between HEX, RGB, HSL, HSV, and CMYK formats with swatches and copy-ready output.

Contrast Checker

Check foreground and background color contrast ratios with WCAG-style AA and AAA guidance.

JSON to CSV Converter

Convert JSON records into CSV tables with clear notes for nested values and empty cells.

CSV to JSON Converter

Convert CSV with headers into formatted JSON objects for APIs, scripts, and fixtures.

HTML to Markdown Converter

Convert HTML snippets into readable Markdown for docs, notes, issues, and cleanup workflows.

JSON to YAML Converter

Convert valid JSON into readable YAML for config snippets, API examples, and documentation.

YAML to JSON Converter

Convert one YAML document into formatted JSON while reviewing comments, anchors, and inferred types.

Finance & Money

Calculate percentages, discounts, loans, taxes, and currency conversions. Privacy-focused, all calculations happen locally without storing personal data.

Percentage Calculator

Calculate percentages, increases, decreases, and percentage differences for shopping, salary, and test scores.

Discount Calculator

Calculate final prices after discounts, multiple discount tiers, and savings amounts for smart shopping.

Tip Calculator

Calculate restaurant tips, split bills by people, and determine total amounts with customizable tip percentages.

VAT / Sales Tax Calculator

Add or remove VAT/sales tax with preset rates for EU, US, and custom percentages for accurate pricing.

Loan Calculator / Mortgage Calculator

Calculate monthly payments, total interest, and amortization schedules for mortgages, car loans, and personal loans.

Salary / Wage Calculator

Convert between annual, monthly, weekly, daily, and hourly pay rates with overtime and gross-to-net calculations.

Interest Calculator

Calculate simple and compound interest with daily, monthly, quarterly, or annual compounding for savings and investments.

Health & Fitness

Calculate BMI, body fat, calories, ideal weight, and pregnancy dates. 100% private - all calculations happen locally in your browser with no data sent to servers.

BMI Calculator

Calculate Body Mass Index (BMI) with weight and height. Get BMI category, health status, and ideal weight range using WHO standards.

Body Fat Calculator

Calculate body fat percentage using US Navy Method. Get body composition, lean mass, and fat mass with gender-specific formulas.

Calorie Calculator / TDEE Calculator

Calculate daily calorie needs (TDEE) and BMR using Mifflin-St Jeor equation. Get weight loss, gain, and maintenance calorie targets.

Ideal Weight Calculator

Calculate ideal body weight using Robinson, Miller, Devine, and Hamwi formulas. Get healthy weight range based on height and frame size.

Pregnancy Due Date Calculator

Calculate pregnancy due date from last menstrual period or conception date. Get current week, trimester, and pregnancy timeline milestones.

Macros Calculator

Calculate protein, carbs, and fat macros based on calories and fitness goals. Get grams and percentages for weight loss, muscle gain, or maintenance.

Code Formatters & Beautifiers

Professional code formatting and beautification tools supporting 50+ programming languages with intelligent indentation and customizable formatting rules.

HTML Beautifier

Format HTML documents with intelligent indentation, proper tag nesting, and HTML5 element support for improved web development readability.

CSS Beautifier

Beautify CSS stylesheets with consistent formatting, property grouping, and CSS3 features including Grid and Flexbox properties.

JavaScript Beautifier

Format modern JavaScript code with ES6+ syntax support, async/await, arrow functions, and intelligent bracket placement.

TypeScript Beautifier

Format TypeScript code with full type annotation support, interface formatting, and generic type handling for large-scale applications.

JSX Beautifier

Specialized React JSX formatter handling component hierarchies, prop alignment, and conditional rendering for improved component readability.

Vue Beautifier

Format Vue.js single-file components with template, script, and style section organization supporting Vue 3 Composition API.

SCSS Beautifier

Format SCSS/Sass stylesheets with nested rule organization, mixin formatting, and advanced Sass features like @extend and @include.

JSON Beautifier

Format JSON data with proper indentation, key sorting options, and syntax validation for APIs and configuration files.

XML Beautifier

Format XML documents with namespace support, attribute alignment, and CDATA preservation for web services and data interchange.

YAML Beautifier

Format YAML configuration files with proper indentation, list alignment, and comment preservation for DevOps pipelines.

SQL Beautifier

Format SQL queries with keyword capitalization, clause alignment, and subquery indentation for improved database development readability.

MySQL SQL Beautifier

Specialized MySQL query formatter supporting MySQL-specific syntax including stored procedures, triggers, and engine options.

PostgreSQL SQL Beautifier

Format PostgreSQL queries with support for advanced features like array operations, JSON functions, and PL/pgSQL syntax.

MongoDB Query Beautifier

Format MongoDB queries and aggregation pipelines with proper stage alignment and operator organization for NoSQL development.

Nginx Config Beautifier

Format Nginx server configuration files with directive grouping, upstream formatting, and SSL configuration organization.

Apache Config Beautifier

Format Apache HTTP server configuration files with virtual host organization and security directive grouping.

Python Beautifier

Format Python code following PEP 8 style guidelines with proper indentation, import organization, and modern Python features.

Java Code Beautifier

Format Java code with proper class structure, method organization, and support for modern features like lambda expressions.

PHP Beautifier

Format PHP code following PSR standards with class structure organization and PHP 8+ features including attributes.

Swift Code Beautifier

Format Swift code for iOS/macOS development with protocol conformance organization and SwiftUI syntax support.

Dart Code Beautifier

Format Dart code for Flutter development with widget tree organization and null safety syntax.

INI Beautifier

Format INI configuration files with section organization, key-value alignment, and cross-platform configuration management.

CSV Beautifier

Format CSV data with column alignment, delimiter detection, and conversion to JSON/TSV formats for data analysis.

Redis Command Beautifier

Format Redis commands and configuration files with command grouping, pipeline organization, and performance parameters.

Shell Script Beautifier

Format shell scripts for Bash, Zsh, and POSIX shells with portable syntax and cross-platform compatibility.

Batch Script Beautifier

Format Windows Batch (.bat/.cmd) scripts with command organization and Windows-specific system administration support.

C/C++ Code Beautifier

Format C/C++ code with modern standards support including C++20 features, template formatting, and namespace organization.

CUDA Code Beautifier

Format CUDA C++ code for GPU programming with kernel organization and device function alignment for parallel computing.

Scala Code Beautifier

Format Scala code with functional programming patterns, case class organization, and modern Scala 3 syntax.

Haskell Code Beautifier

Format Haskell code with pure functional programming patterns, type signature alignment, and module organization.

Elixir Code Beautifier

Format Elixir code with actor model patterns, pipeline formatting, and Phoenix framework development support.

R Code Beautifier

Format R code for statistical analysis with data frame operations, tidyverse conventions, and statistical modeling syntax.

Julia Code Beautifier

Format Julia code for scientific computing with type annotation formatting and high-performance numerical computing patterns.

MATLAB Code Beautifier

Format MATLAB code with function organization, matrix operation alignment, and engineering computation patterns.

Lua Code Beautifier

Format Lua scripts with table organization and function formatting for embedded scripting and game development.

Dockerfile Beautifier

Format Docker configuration files with layer optimization, instruction grouping, and security best practices.

GitHub Actions Workflow Beautifier

Format GitHub Actions YAML workflows with job organization, step alignment, and CI/CD pipeline optimization.

Ansible Playbook Beautifier

Format Ansible playbooks with task organization, variable formatting, and infrastructure as code practices.

Prometheus Config Beautifier

Format Prometheus configuration files with scrape target organization and monitoring infrastructure optimization.

LaTeX Beautifier

Format LaTeX documents with environment organization, mathematical formula alignment, and academic writing support.

Jupyter Notebook Beautifier

Format Jupyter notebook JSON with cell organization, output formatting, and data science workflow optimization.

React Native Beautifier

Format React Native code with component organization, style sheet formatting, and cross-platform mobile development patterns.

Gherkin Beautifier

Format Gherkin BDD feature files with scenario organization, step alignment, and behavior-driven development support.

Tailwind CSS Beautifier

Sort and organize Tailwind CSS classes with automatic ordering by category for utility-first CSS development.

Astro Beautifier

Format Astro components with frontmatter organization and template structure for modern static site generation.

Solidity Beautifier

Format Solidity smart contracts with function organization, modifier formatting, and Ethereum development best practices.

Twig Beautifier

Format Twig templates with block organization, filter formatting, and Symfony integration for PHP web applications.

Image Tools

Compress, optimize, resize, and convert images privately in your browser without uploading files.

Image Compressor

Compress JPG images, optimize PNG files, convert to WebP, and resize images locally in your browser.

Image Resizer

Resize JPG, PNG, and WebP images by dimensions or percentage locally in your browser.

PDF Tools

Split, merge, organize, rotate, remove pages, compress, number, watermark, crop, and convert PDF files privately in your browser without uploading documents.

Split PDF

Extract selected pages from a PDF using page ranges. Files stay in your browser and are never uploaded.

Merge PDF

Combine multiple PDF files into one document. Files stay in your browser and are never uploaded.

Convert JPG to PDF

Turn JPG, PNG, and WebP images into one PDF in your browser. Files stay on your device and are never uploaded.

Convert PDF to JPG

Turn PDF pages into JPG or PNG images in your browser. Files stay on your device and are never uploaded.

Organize PDF

Preview PDF thumbnails, reorder pages, rotate them, remove pages, and export the updated file in your browser.

Rotate PDF

Rotate one or more PDF pages in your browser and download the updated file without uploading it.

Remove PDF Pages

Remove selected pages from a PDF in your browser and download the remaining document locally.

Compress PDF

Optimize image-heavy PDF files locally in your browser with realistic compression expectations and private processing.

Encoders & Decoders

Professional encoding and decoding utilities for web developers, supporting Base64, URL encoding, HTML entities, and Quoted-Printable formats.

Base64 Encoder/Decoder

Convert text and binary data to/from Base64 format for email attachments, data URLs, API tokens, and embedding images in CSS/HTML.

HTML Entities Encoder/Decoder

Safely encode special characters (&, <, >, quotes) into HTML entities to prevent XSS attacks and display reserved characters in web pages.

Quoted Printable Encoder/Decoder

Encode text for MIME email transmission using Quoted-Printable format, ensuring 8-bit characters display correctly across email clients.

URL Encoder/Decoder

Safely encode URLs and query parameters by converting special characters to percent-encoded format for REST APIs and form submissions.

Hashing Tools

Comprehensive cryptographic hash generators for data integrity verification, password security, and digital forensics using industry-standard algorithms.

MD5 Generator

Generate MD5 hashes for legacy system compatibility, file integrity checks, and non-cryptographic checksums (not secure for passwords).

SHA-1 Generator

Create SHA-1 hashes for Git version control and legacy applications (cryptographically broken, not recommended for security).

SHA-224 Generator

Generate SHA-224 hashes (truncated SHA-256) for applications requiring shorter hash lengths while maintaining cryptographic security.

SHA-256 Generator

Create industry-standard SHA-256 hashes for maximum security in password storage, blockchain applications, and digital signatures.

SHA-384 Generator

Generate SHA-384 hashes (truncated SHA-512) for high-security applications requiring enhanced collision resistance.

SHA-512 Generator

Produce SHA-512 hashes offering the highest security level in the SHA-2 family for enterprise applications and long-term data protection.

CRC32 Generator

Calculate CRC32 checksums for fast error detection in file transfers, ZIP files, PNG images, and network protocols.

UUID Tools

Complete UUID/GUID generation and validation toolkit supporting all RFC 4122 versions plus modern alternatives like ULID for distributed systems.

UUID v4 Generator

Generate cryptographically random UUID v4 identifiers perfect for database primary keys and session tokens without exposing system information.

UUID v1 Generator

Create timestamp-based UUID v1 identifiers that embed creation time and MAC address for distributed systems requiring traceability.

UUID v3 Generator

Generate deterministic UUID v3 identifiers using MD5 hashing of namespace and name for consistent IDs from same input.

UUID v5 Generator

Create secure name-based UUID v5 identifiers using SHA-1 hashing for better collision resistance than v3 from DNS names or URLs.

UUID v6 Generator

Generate modern UUID v6 identifiers that combine timestamp ordering with improved database indexing performance.

UUID v7 Generator

Create cutting-edge UUID v7 identifiers using Unix epoch timestamps with millisecond precision for modern distributed systems.

ULID Generator

Generate Universally Unique Lexicographically Sortable Identifiers with 26-character encoding for URL-safe, sortable alternatives to UUIDs.

Short UUID Generator

Create compact Short UUID identifiers using base62 encoding to reduce length from 36 to 22 characters for QR codes and URLs.

Nil UUID Generator

Generate the RFC 4122 Nil UUID (all zeros) representing empty or null UUID values for database initialization and default states.

UUID Decoder & Validator

Analyze and validate UUIDs of any version, extracting embedded information like timestamps, version numbers, and variant details for debugging.

Bulk UUID Generator

Generate thousands of UUIDs simultaneously for database seeding, load testing, and bulk data operations with export capabilities.

Randomizers

Generate numbers, names, shuffles, picks, and teams with browser-based randomizer tools for testing, games, classroom activities, and everyday decisions.

Random Number Generator

Generate random integers and floats with customizable ranges, count, and precision settings for testing, statistics, and games.

Random Name Generator

Generate realistic names in 12 locales with gender and format options for testing, creative writing, and character development.

Random List Shuffler

Shuffle any list with fast-shuffle's Fisher-Yates implementation for everyday ordering, classroom activities, and sample preparation.

Random Item Picker

Pick random items from lists with customizable selection options, history tracking, and repeat control for contests and decisions.

Random Team Generator

Create balanced random teams from participant lists with flexible sizing and custom naming for sports, education, and events.