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How to Convert Gallons to Liters: Formula, US vs Imperial & Practical Uses
Learn how to convert gallons to liters with the precise formula, the difference between US and Imperial gallons, and use cases for cooking and fuel.
Simple-Toolz Blog: Developer Tips and Tool Guides
Welcome to the Simple-Toolz blog. Find developer tutorials, tool guides, and practical tips to get the most out of your favorite online developer utilities.
Online Coin Flip: Fair Digital Coin Toss Simulator
Flip a coin online with our fair digital coin toss simulator. Learn about cryptographic randomness, probability, and the history of coin flipping.
JWT Decoder: Understand and Debug JSON Web Tokens Easily
Learn what JSON Web Tokens are, how JWT structure works (header, payload, signature), and how to decode JWTs for debugging authentication and API development.
How to Convert Square Feet to Square Meters: Formula, Real Estate & Room Planning
Learn how to convert square feet to square meters with the exact formula, real estate examples, and practical tips for flooring and room planning.
How to Convert km/h to mph: Formula, Speed Limits & Practical Examples
Learn how to convert kilometers per hour to miles per hour with the exact formula, international speed limit comparisons, and real-world use cases.
How to Convert Celsius to Fahrenheit: Formula, Key Temperatures & Quick Guide
Learn how to convert Celsius to Fahrenheit with the exact formula, key temperature references, and practical tips for weather, cooking, and travel.
How to Convert Feet to Meters: Formula, Examples & Practical Guide
Learn how to convert feet to meters with the exact formula, a handy conversion table, and real-world use cases for construction, travel, and sports.
How to Convert Kilograms to Pounds: Formula, Chart & Everyday Uses
Master the kg to lbs conversion with the precise formula, a quick reference chart, and practical examples for fitness, cooking, and shipping.
Uppercase Text Converter: How to Convert Text to Uppercase Online
Convert text to uppercase instantly with our free online tool. Learn when to use uppercase for headers, constants, emphasis, and data standardization.
Word Counter: The Essential Tool for Writers and Content Creators
Discover how a word counter helps writers meet requirements, optimize content length, and estimate reading time. Free online word counting tool.
Title Case Converter: How to Capitalize Text Properly for Headlines
Convert text to Title Case instantly. Learn capitalization rules, which words to capitalize in titles, and how to format headlines properly with our free tool.
Sentence Counter: Analyze Sentence Structure for Better Writing
Count sentences and improve readability with our free sentence counter. Learn ideal sentence lengths for academic writing and content optimization.
Text Repeater: Repeat and Duplicate Text Instantly Online
Repeat any text multiple times with our free online tool. Perfect for testing, filling templates, creating patterns, and generating sample data.
Reverse Text Tool: Flip, Mirror, and Reverse Your Text Online
Reverse any text instantly with our free online tool. Discover fun uses like palindrome checking, mirror text, and programming applications.
Remove Duplicate Lines: Deduplicate Text and Clean Up Lists Online
Remove duplicate lines from text instantly with our free tool. Perfect for cleaning data, deduplicating lists, and analyzing log files online.
Remove Line Breaks: Clean Up Text Formatting Instantly Online
Remove unwanted line breaks from text copied from PDFs, emails, and code. Clean up text formatting instantly with our free online tool.
Paragraph Counter: Structure Your Content for Maximum Readability
Count paragraphs and improve content structure with our free tool. Learn ideal paragraph lengths for web content, essays, and digital marketing.
Character Counter: Why Counting Characters Matters for Your Content
Learn why character counting is essential for social media, SEO, and messaging. Discover character limits for Twitter, SMS, and meta descriptions.
Lowercase Text Converter: How to Convert Text to Lowercase Online
Convert text to lowercase instantly with our free online tool. Learn about use cases like data normalization, email processing, URL slugs, and more.
Line Counter: Count Lines in Text, Code, and Data Files Instantly
Count lines instantly in any text, code, CSV data, or log files. Learn why line counting matters for developers, writers, and data analysts.
camelCase Converter: Transform Text to camelCase for Programming
Convert text to camelCase instantly. Learn what camelCase is, where it's used in JavaScript and Java, and best practices for variable naming conventions.
Random Word Generator: Get Instant Word Inspiration
Generate random words instantly for word games, brainstorming, creative writing prompts, and vocabulary building. Free browser-based tool with no signup.
Random Yes or No Generator: Let Chance Decide for You
Get a random yes or no answer instantly. Perfect for quick decisions, party games, ice breakers, and fun. Fair 50/50 probability every time.
Number Base Converter: Binary, Octal, Decimal, and Hexadecimal
Convert between number bases including binary, octal, decimal, and hexadecimal. Learn how number systems work and their applications in programming.
Roman Numeral Converter: Convert Between Roman and Decimal Numbers
Convert between Roman numerals and decimal numbers instantly. Learn Roman numeral rules, symbols (I, V, X, L, C, D, M), and practical use cases.
JSON to XML Converter: Transform Your Data Seamlessly
Convert JSON to XML format instantly. Learn the differences between JSON and XML, use cases for API integration, and best practices for data transformation.
Base64 Encode and Decode: The Complete Guide to Base64 Encoding
Learn what Base64 encoding is, how it works, and when to use it. Encode and decode Base64 data for emails, APIs, data URIs, and more.
Color Converter: Convert Between HEX, RGB, HSL, and HSV Formats
Learn how to convert between HEX, RGB, HSL, and HSV color formats. Understand color models and their use cases in web design, CSS, and graphic design.
Date and Time Converter: Transform Between Formats Instantly
Convert between date and time formats including ISO 8601, Unix timestamps, and various timezone representations. Essential for API development.
RSA Key Generator: Public and Private Key Cryptography Explained
Learn how RSA keys work, the basics of public/private key cryptography, key sizes, and how to generate RSA key pairs securely in your browser.
Random Token Generator: Create Secure API Keys and Session Tokens
Generate cryptographically secure random tokens for API keys, session tokens, and CSRF protection. Learn token best practices and proper lengths.
UUID Generator: Understanding Universally Unique Identifiers
Learn what UUIDs are, how UUID v4 works, and when to use them over auto-increment IDs. Generate UUIDs instantly with our free online tool.
Encrypt and Decrypt Text Online: AES Encryption Made Simple
Learn how to encrypt and decrypt text online using AES symmetric encryption. Keep your messages private with client-side processing and a secure key.
Password Strength Checker: How to Create Unbreakable Passwords
Check your password strength and learn what makes a password truly secure. Our client-side tool evaluates passwords without them ever leaving your browser.
Text Hash Generator: MD5, SHA-1, SHA-256, and SHA-512 Explained
Understand hash functions like MD5, SHA-1, SHA-256, and SHA-512. Learn how hashing works, its use cases, and how to generate text hashes online.
Simple-Toolz: Your Free Online Developer Toolkit
Discover Simple-Toolz, a free collection of online developer tools. Converters, generators, formatters, crypto tools, and more, all running client-side.
Bcrypt Hash Generator: Secure Password Hashing Explained
Learn how bcrypt hashing protects passwords, how salt rounds and cost factors work, and how to generate bcrypt hashes securely in your browser.
Explore the Complete Simple-Toolz Collection
Browse the full Simple-Toolz collection: unit converters, text tools, code formatters, crypto tools, random generators, and web utilities in one place.
Random Password Generator: Create Strong Secure Passwords
Generate strong random passwords with customizable length and character options. Client-side generation ensures your passwords never leave your device.
Random String Generator: Create Custom Random Strings Instantly
Generate random strings with configurable length and character sets. Ideal for test data, unique IDs, placeholder text, and development workflows.
Random Name Generator: Create Unique First and Last Name Combinations
Generate random first and last name combinations instantly. Perfect for fiction writing, game characters, placeholder data, and software testing.
Random Number Generator: Create Numbers Within Any Range
Generate random numbers within any custom range. Perfect for lotteries, games, sampling, software testing, and statistical experiments. Free and instant.
Random Letter Generator: Pick Random Letters Instantly
Generate random letters of the alphabet instantly. Perfect for word games, teaching activities, randomization tasks, and creative exercises. Free to use.
SQL Minification: Compress SQL Queries for Cleaner Code and Storage
Learn how SQL minification removes comments and extra whitespace from SQL queries. Ideal for embedding SQL in code and optimizing query storage.
Random Color Generator: Instant Hex Color Inspiration
Generate random colors with hex codes instantly. Perfect for designers, web developers, and artists seeking color inspiration for their next project.
Online Dice Roller: Roll Any Dice from D4 to D100
Roll dice online with our free tool. Supports D4, D6, D8, D10, D12, D20, and D100 dice. Perfect for board games, RPGs, D&D, and probability experiments.
JavaScript Minification: Shrink Your Bundle Size for Faster Websites
Learn how JavaScript minification reduces bundle size through variable shortening, whitespace removal, and dead code elimination. Boost your site speed.
HTML Minification: Speed Up Your Pages by Shrinking HTML
Discover how HTML minification removes whitespace, comments, and optional tags to reduce page size and improve load times. Try our free HTML minifier.
JSON Minification: Compress JSON Data for Faster APIs and Storage
Learn how JSON minification removes whitespace to shrink payloads, speed up API responses, and optimize storage. Try our free online JSON minifier tool.
PNG to WebP Converter: Why and How to Convert Your Images for the Web
Learn why converting PNG to WebP improves web performance. Discover WebP advantages, browser support, and how to convert images with our free online tool.
CSS Minification: Reduce File Size and Boost Performance
Learn how CSS minification removes whitespace, comments, and shorthand to reduce file size and improve website performance. Try our free CSS minifier tool.
Base64 Image Viewer: How to Decode and Preview Base64 Images Online
Learn how to view and decode Base64-encoded images online. Discover use cases for Base64 images in HTML, CSS, and email templates with our free tool.
TypeScript Formatter: Keep Your Typed Code Clean and Consistent
Learn how to format TypeScript code for better readability. Explore type annotation formatting, interfaces, generics, and use our free online TS formatter.
Markdown Formatter: Clean Up Your Documentation Files
Learn why formatting Markdown matters for documentation quality. Discover syntax basics, GitHub-flavored Markdown, and our free online Markdown formatter.
SQL Formatter: Write Readable Queries That Are Easy to Debug
Discover why formatting SQL queries matters for debugging and collaboration. Learn SQL formatting conventions, keyword casing, and use our free online tool.
JavaScript Formatter: Consistent Code Style for Better Development
Learn why formatting JavaScript matters for code reviews and team productivity. Explore tabs vs spaces, semicolons, ESLint, Prettier, and our free online tool.
JSON Formatter: Beautify and Validate Your JSON Data
Learn how to format and validate JSON data for API debugging and config files. Fix common JSON issues with our free online JSON formatter and beautifier.
HTML Formatter: Make Your Markup Clean and Readable
Discover why formatting HTML is crucial for debugging and maintenance. Learn best practices for indentation, attributes, and use our free online HTML formatter.
CSS Formatter: Why Clean CSS Matters for Your Projects
Learn why formatting CSS is essential for readability, team collaboration, and maintainability. Discover CSS formatting rules and how our online tool helps.
Understanding Unix Timestamps: A Complete Guide to Unix Time
Learn what Unix timestamps are, how Unix time works since January 1 1970, common use cases, the Y2K38 problem, and how to convert timestamps easily.
GraphQL Formatter: Beautify Your Queries and Schemas
Learn how to format GraphQL queries and schemas for better readability. Discover best practices and use our free online GraphQL formatter tool.
Cron Expression Generator: Master Cron Syntax for Task Scheduling
Learn cron expression syntax, common scheduling patterns, special characters, and how to use a cron generator tool for reliable task automation.
XML to JSON Converter: Modernize Your Data Format
Convert XML to JSON format instantly. Learn why modern APIs prefer JSON, how to handle attributes and elements, and use cases for API modernization.
The Essential Git Cheatsheet: Every Command You Need to Know
A comprehensive Git cheatsheet covering basic commands, branching, viewing history, undoing changes, and tips for developers of all skill levels.
URL Encode and Decode: Understanding Percent-Encoding for the Web
Learn what URL encoding (percent-encoding) is, why URLs need it, and how to encode and decode URLs. Essential for query parameters, APIs, and form data.