Free Online Tools Platform
A comprehensive collection of free online tools for everyday tasks. Simplify your work with our easy-to-use utilities that run directly in your browser.
Free Tools That Don't Send Your Data Anywhere
Simple online utilities for encoding, hashing, text processing, and code formatting. Everything works in your browser - no uploads, no accounts. Site usage is tracked but your actual data never leaves your device.
Why Browser-Only?
Most online tools work by uploading your data to their servers. We think that's unnecessary for simple tasks like encoding text, generating hashes, or formatting code.
Our tools process everything directly in your browser. Your data stays on your device.
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.
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.
Password Security Best Practices 2025
Comprehensive guide to modern password security following NIST Special Publication 800-63B guidelines and enterprise security strategies.
Best Password Managers 2025
In-depth comparison of leading password managers including Bitwarden, 1Password, Keepass, and Dashlane with security features and pricing analysis.
Data Breach Response Guide 2025
Essential incident response checklist for data breach victims including immediate actions, account security steps, and long-term protection strategies.
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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.
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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.
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Randomizers
Generate, shuffle and pick with cryptographically secure randomness for testing, games, research, and decision making.
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 16+ languages with gender and format options for testing, creative writing, and character development.
Random List Shuffler
Shuffle any list using Fisher-Yates algorithm for unbiased randomization, perfect for fair ordering and data sampling.
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.
Best Online Tools from DecodeIt.app
These tools were created to solve actual problems that come up in daily digital work. Need to quickly encode a URL for an API call? Format messy JSON from a server response? Generate secure passwords for client accounts? Create unique identifiers for database records? These situations happen all the time, and hunting for reliable tools across different websites gets old fast.
DecodeIt.app consolidates the most commonly needed utilities into one clean interface. Each tool focuses on doing one thing well - whether that's encoding a single piece of text or processing hundreds of lines of code through the beautifiers. The code formatters support over 50 programming languages, from common ones like JavaScript and Python to specialized tools for Docker, GitHub Actions, and even blockchain development with Solidity.
Security Matters More Than Ever. With data breaches making headlines regularly and cyber attacks becoming more sophisticated, basic security practices can't be ignored. Weak passwords, reused credentials, and poor data handling create unnecessary risks for individuals and businesses alike. The security tools here follow current guidelines from organizations like NIST, helping generate truly random passwords, create memorable but secure passphrases, and analyze existing passwords for common weaknesses. Whether you're setting up accounts for clients or securing your own systems, these tools provide the foundation for better digital security without requiring expertise in cryptography.
Regular updates add new tools based on what people actually need for their projects. The goal is keeping things simple and functional - tools that just work when you need them.