Comprehensive guides to help you get the most out of our development tools.
A free, advanced ROI calculator to measure the profitability of your investments. Calculate total net profit, ROI percentage, and the annualized rate of return for a true performance analysis.
Calculate monthly mortgage payments, total interest, and create detailed amortization schedules. Compare different loan scenarios with interactive charts and CSV export.
Convert convert between m/s², ft/s², g-force, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Convert angular velocity units with precision. Transform between rad/s, RPM, deg/s, and more for mechanical engineering, robotics, and physics applications with our comprehensive tool.
Master two-dimensional spring dynamics with comprehensive coverage of harmonic motion, energy conservation, damping effects, and oscillation patterns. Interactive visualization of force vectors and energy flow.
Professional QR code studio with logo integration, custom frames, color branding, shape customization, and multiple export formats for polished, on-brand QR codes.
Master asynchronous API patterns with our interactive simulator. Visualize how queuing, TTLs, and worker pools prevent cascading failures during traffic spikes—essential knowledge for resilient system design.
Master text and code comparison with our advanced diff checker. Learn live diffing, side-by-side views, word/character highlighting, and secure client-side processing for developers.
Military-grade AES encryption tool for securing sensitive data. Encrypt and decrypt text with AES-256-GCM, manage encryption keys, and protect confidential information with industry-standard cryptography.
Comprehensive guide to adjusting audio volume in video and audio files. Learn to normalize audio levels, boost quiet recordings, and control sound with real-time preview.
Master Base64 encoding and decoding with our comprehensive tool guide. Learn practical applications, implementation patterns, and best practices for data transformation in web development.
Master CSS border-radius with our comprehensive guide. Create complex corner shapes, understand border-radius syntax, and optimize your designs with expert tips and real-world examples.
Trim videos with precision, create animated GIFs, and extract audio in your browser. Private, fast video editing with no uploads required.
Design beautiful, modern CSS buttons with an intuitive visual editor. Customize padding, colors, borders, border-radius, shadows, hover states, and typography to create production-ready button components instantly.
Master CSS visual effects with our comprehensive generator suite. Create box-shadows, text-shadows, flexbox layouts, gradients, and more with real-time preview and instant code export.
Comprehensive guide to calculating your daily calorie needs and macronutrient distribution for weight loss, maintenance, or muscle gain using science-based formulas and personalized nutrition strategies.
Convert convert between kg/m³, g/cm³, lb/ft³, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Versatile digital protractor for measuring angles on images, designs, and real-world objects using your device's camera and sensors. Features on-screen measurement, spirit level functionality, and camera overlay mode for precise angle detection.
Convert between bits, bytes, KB, MB, GB, and binary KiB/MiB/GiB units. Calculate file download times across various internet speeds and estimate storage capacity.
Convert energy units effortlessly with our comprehensive tool. Transform between Joules, calories, BTU, kilowatt-hours, and more for engineering, physics, and scientific applications.
Generate secure cryptographic hashes for files and text using MD5, SHA-1, SHA-256, SHA-512, and more. Perfect for data integrity verification and security applications.
Master CSS Flexbox layouts with an intuitive visual interface that generates production-ready code for responsive, flexible designs.
Convert convert between m³/s, l/min, gpm, cfm, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Convert convert between kg/s, lb/hr, ton/day, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Master DataForge Mock Data Generator to create realistic test datasets with customizable schemas. Generate JSON, CSV, SQL, XML, and YAML data with 25+ field types for comprehensive testing workflows.
Comprehensive guide to using our Food Nutrition Calculator for looking up nutritional facts, building balanced meals, tracking daily intake, and achieving your health goals with precision and ease.
Create linear, radial, and conic CSS gradients with a simple, interactive editor. Design stunning backgrounds, adjust color stops, and export clean CSS code for your projects.
Master AI-powered gradient creation with Gradienta Pro. Generate stunning CSS gradients from text prompts, explore curated presets, and customize every detail with our advanced editor.
Master the Interactive Newton's Cradle Lab with our comprehensive guide covering collision dynamics, momentum conservation, and energy transfer principles through hands-on simulation.
Master pendulum physics with our interactive simulator. Adjust length, gravity, and friction to explore simple harmonic motion, energy conservation, and oscillation patterns in real-time.
Explore projectile motion with our interactive physics simulator. Adjust velocity, angle, gravity, and air resistance to master 2D kinematics and trajectory analysis.
Master your savings goals with our interactive calculator. Learn how to set achievable targets, visualize your progress, and create actionable savings plans for retirement, down payments, and more.
Learn how rapid vibrations stabilize inherently unstable systems. Complete guide to inverted pendulum physics, dynamic stabilization principles, and stability boundary exploration.
Generate secure JWT tokens with custom claims, headers, and signing algorithms. Perfect for testing, development, and understanding token structure.
Master compound interest calculations with our comprehensive guide. Learn to forecast investment growth, optimize savings strategies, and visualize your financial future with confidence.
Master JSON with our comprehensive toolkit. Format, validate, visualize as tree, and convert JSON data with real-time validation, error highlighting, and professional developer features.
Decode, inspect, and verify JSON Web Tokens securely in your browser with real-time validation, timestamp conversion, and signature verification for authentication debugging.
Master GraphQL development with our comprehensive visual IDE. Explore schemas graphically, write queries with intelligent autocomplete, and test APIs—all in your browser with complete privacy.
Forecast timed steering movements with arc path visualization, distance estimates, loop planning helpers, and ready-to-deploy Python code templates.
Choreograph precise tank-drive moves with per-wheel distances, pose estimates, and sequence planning for LEGO SPIKE Prime robots.
Design timed tank-drive routines step-by-step with animated previews and loop-ready Python code for LEGO SPIKE Prime performances.
Master continuous steering control with real-time turn radius previews, velocity insights, and classroom-ready Python code for smooth robot navigation.
Secure your web applications with proper HTML entity encoding. Learn to prevent XSS attacks, display special characters correctly, and maintain content integrity across browsers.
Master LEGO SPIKE Prime tank drive mechanics with live path previews, velocity presets, and ready-to-run Python code for classroom robotics projects.
Master LEGO SPIKE Prime move_for_degrees turns with steering sync, clearance visuals, calibration guidance, and ready-to-run Python code for classroom robotics.
Educational robotics tool calculating precise wheel rotations for LEGO SPIKE Prime robot turns. Features interactive visualization, path planning, obstacle navigation, and automatic Python code generation for STEM learning and robotics competitions.
Visualize how wheel rotations translate to distance traveled with live animations, milestone tracking, and ready-to-use Python code for LEGO SPIKE Prime.
Transform images into stunning ASCII art with real-time preview, custom character sets, detail control, and color mode. Download as text or high-quality image.
Build custom mock data schemas and simulate APIs with this powerful testing tool. Generate JSON, CSV, SQL datasets with dozens of data types, save schemas, and get live preview feedback.
Convert convert torque units: n·m, lb·ft, lb·in, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Convert convert between kg·m², lb·ft², g·cm², and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Master the moveable double pendulum simulator to explore chaos theory and frame-dependent dynamics. Learn how moving pivot points reveal new perspectives on chaotic systems.
Transform strings between multiple encoding formats simultaneously. Convert between Base64, URL encoding, HTML entities, and more with our comprehensive string conversion utility.
Generate cryptographically secure passwords with customizable length, character sets, and complexity. Perfect for account security, credential management, and security best practices.
Master password security with our comprehensive Password Strength Analyzer guide. Learn real-time password assessment, pattern detection, and entropy calculation for robust authentication security.
Master pressure unit conversions with our comprehensive guide. Convert between Pascal, Bar, PSI, Atmospheres, and more with precision and ease for engineering and scientific applications.
Intuitive bar chart creation tool with spreadsheet-like data editing, CSV import/export, customizable styling, and high-quality image export. Perfect for presentations, reports, publications, and data-driven storytelling.
Master the art of placeholder text generation with ProText Generator. Learn how to create themed Lorem Ipsum, random dev strings, and formatted output for design mockups and testing workflows.
Generate customizable QR codes for URLs, vCards, Wi-Fi credentials, and more. Download as PNG or SVG with complete privacy through browser-based processing.
Professional RSA key pair generator for asymmetric encryption, digital signatures, and secure key exchange. Create 2048, 3072, or 4096-bit RSA keys with multiple export formats and implementation examples.
Master restaurant tipping and bill splitting with our comprehensive guide. Learn smart rounding techniques, cultural tipping norms, and how to handle complex group dining scenarios with ease.
Convert units instantly across length, weight, temperature, data storage, and typography. See all related conversions in one comprehensive table view.
Convert convert between m³/kg, ft³/lb, l/kg, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Transform raw data into compelling visual narratives with intuitive chart creation tools. Master bar charts, pie charts, line graphs, and advanced visualizations for presentations, reports, and infographics.
Visually design complex, multi-layered text-shadows with a real-time preview and instant CSS code generation for stunning typography effects.
Convert convert between n·m, lb·ft, lb·in, kgf·m, and more with precision. Comprehensive tool for engineering, scientific, and industrial applications worldwide.
Generate smooth CSS transitions with an intuitive visual interface. Control property, duration, timing function, and delay to create polished animations for hover states and interactive elements.
Visually generate 2D CSS transforms including scale, rotate, translate, and skew. Experiment with sliders, preview changes in real-time, and export cross-browser compatible CSS code instantly.
Master your academic planning with comprehensive tools for grade tracking, final exam calculation, and GPA management. Free, easy-to-use calculators designed specifically for students.
Master URL encoding and decoding with our comprehensive guide. Learn percent encoding, query parameter handling, and best practices for web-safe URL construction.
Professional UUID/GUID generator supporting v1, v4, v5, and v7 formats. Create cryptographically secure unique identifiers for databases, APIs, distributed systems, and session management with instant generation and batch support.
Convert video files between MP4, WebM, MOV, AVI formats directly in your browser. Private, fast, and secure video transcoding with no server uploads required.
Complete guide to resizing videos online. Change resolution to 1080p, 720p, 480p, or custom dimensions while preserving aspect ratio. Supports MP4, WebM, MOV, and more.
Comprehensive guide to using our Visual BMI Calculator for tracking body mass index, understanding healthy weight ranges, and making informed fitness decisions with visual feedback.
