OpenSource Toolkit

Generate universally unique identifiers with multiple versions and batch options

Generate placeholder text in various formats including words, sentences, and paragraphs with customization options

Convert, generate, and solve timestamps in various formats with batch processing

Decode, encode, and verify JSON Web Tokens with support for multiple algorithms

Convert images between formats like PNG, JPEG, GIF, and WebP with batch processing

Convert text between different cases like uppercase, lowercase, title case, and more

Encode and decode text, files, and URLs to/from Base64 format with support for different encodings

Analyze, visualize, and export folder structures with advanced filtering, statistics, and multi-format export options

Generate secure passwords, passphrases, and PINs with advanced customization and security analysis

Check IP address geolocation information including country, region, city, ISP, and more

Test your internet connection speed with download, upload, and ping measurements

Query DNS records including A, AAAA, MX, CNAME, TXT, NS, and more with detailed results

Schedule and manage API calls with cron expressions. Run automated tasks with a visual dashboard and detailed logging

Comprehensive PDF manipulation tools - split, merge, rotate, add watermarks, insert text, and extract information

Generate realistic fake user data, addresses, and emails using Faker.js for testing and development

Generate and verify Hash-based Message Authentication Codes using various algorithms for secure authentication and data integrity verification

Professional API testing tool with request builder, response viewer, history tracking, and collection management - your Postman alternative

Monitor website uptime, response times, and availability with real-time status tracking and command-line style visualization

Convert text and images to ASCII art with customizable fonts, styles, density controls, and export options

Comprehensive color tools with picker, format converter, palette generator, gradients, and accessibility checker

Test keyboard functionality, monitor key presses, typing speed, and key response times with comprehensive analytics

Test camera and microphone functionality, monitor audio levels, record media, and verify device permissions with comprehensive controls

Generate QR codes for text, URLs, contacts, WiFi, and more with customizable styling options

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text and files with security analysis

Generate comprehensive privacy policies for your website or application with GDPR and CCPA compliance options

Test speakers and audio systems with multiple configurations including mono, stereo, surround sound, and custom frequency testing

Scan wallet balances across multiple blockchain networks including Ethereum, BSC, Polygon, Arbitrum, and more with native and ERC20 token support

Convert between Ethereum units (ETH, Wei, Gwei) with real-time parallel updates and copy functionality

Remove background noise, enhance audio quality with advanced filtering, compression, EQ, and real-time processing

Professional stopwatch with lap times, customizable timer with notifications, and comprehensive time management features

Parse, create, edit, and manage vCard contact files with advanced features including multiple contact support, field validation, and batch operations

Comprehensive IP address calculator with subnet calculations, CIDR conversions, binary/hex format conversions, and network analysis

Generate custom Ethereum vanity addresses with specific patterns, prefix/suffix matching, and comprehensive statistics

Format, validate, and convert between JSON, XML, YAML, and TOML formats with syntax highlighting and error detection

Test, build, and debug regular expressions with real-time matching, explanations, and common pattern library

Write and preview Markdown with live rendering, syntax highlighting, table editor, and export options

Format, validate, and optimize SQL queries with support for multiple database dialects and syntax highlighting

Advanced text and file comparison tool with side-by-side diff visualization, merge conflict resolution, and multiple export formats

Browse, download, and use high-quality free images with advanced search, filtering, and preview features

Calculate interest, APR, loans, mortgages, investments, and other financial calculations with compound interest support