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Latest Tools - Page 4
Character Frequency Counter
Analyze text to find most common letters, digits, and characters with detailed frequency statistics and visual insights
Character Name Mashup
Blend names to create unique fantasy character names with customizable styles and phonetic rules
ChatGPT Token Counter
Estimate GPT and Claude tokens in text for prompt budgeting and API cost planning
Check Digit Calculator
Advanced check digit validator and calculator for UPC, ISBN, EAN, and other retail/publishing barcodes with comprehensive error analysis and format detection.
Checksum Calculator - MD5/SHA Hash Verification
Calculate MD5, SHA-1, SHA-256, SHA-512 checksums for files with verification and comparison features
Chemistry Calculator
Advanced chemistry calculator for molecular weight, molarity, stoichiometry, and chemical equations with step-by-step solutions
Chord Inverter
Generate chord inversions from any chord input. Enter a chord and see all possible inversions (1st, 2nd, root position) with note names and frequency information.
Chord Progression Generator
Generate random or style-based chord progressions for songwriting and composition. Choose from popular styles like Jazz, Blues, Pop, and Classical with customizable keys and lengths.
Chord to Notes Converter
Convert chord names to individual note names. Input any chord symbol and get the exact notes that make up the chord with intervals and music theory analysis.
Circle Area & Circumference Calculator
Calculate circle area and circumference with radius or diameter input, unit conversions, and visual representations
Circle of Fifths Explorer
Interactive circle of fifths tool to explore keys, scales, relative minors, and chord relationships for music theory education
Clip-Path Shape Maker
Draw and preview CSS clip-path shapes with draggable points for custom geometric designs
Clipboard History - Local Text Log
Monitor and store local clipboard history for easy access to recently copied text items
Code 128 Barcode Generator
Generate professional Code 128 barcodes as SVG with automatic subset optimization and numeric packing
Code 39 Barcode Generator
Generate Code 39 barcodes with optional checksum and extended character set support
Coin Flip Simulator
Interactive coin flip simulator with animated results, flip history tracking, and statistical analysis for games, decisions, and probability learning
Collage Layout Planner
Create professional photo collage layouts with drag-and-drop rectangle arrangement. Design custom templates and export as SVG files.
Collage Layout Shuffler
Generate randomized photo collage layouts with algorithmic shuffling. Create unexpected arrangements and discover creative layout combinations.
Color Blindness Simulator
Apply pre-set filters for different types of color blindness directly in the browser using CSS filters
Color Harmony Picker
Generate harmonious color palettes based on color theory principles with complementary, triadic, analogous, and other professional color schemes
Color Mixer Tool
Blend two or more colors and preview the results instantly with real-time mixing controls
Color Name Flasher
Interactive flashcards for color recognition, custom vocabulary, and emoji learning with fullscreen mode and adjustable speed
Color Picker
Professional color picker and palette generator with accessibility analysis
Color Tint Overlay
Add semi-transparent color overlays to images with customizable tint colors, opacity levels, and blend modes using pure JavaScript
Companion Planting Guide
Discover which plants grow best together with our comprehensive companion planting guide for healthier gardens and better harvests
Compost Calculator
Calculate the optimal green-to-brown ratio for your compost pile to ensure proper decomposition and nutrient balance
Compound Interest Calculator
Calculate compound interest growth for investments and savings accounts
Compound Interest Visualizer
Interactive compound interest calculator with charts showing long-term investment growth over time
Concrete Slab Calculator
Calculate cubic yards of concrete needed for slabs using length, width, and depth dimensions with multiple unit support
Contrast Checker
Test WCAG contrast ratio between text and background colors with comprehensive accessibility compliance analysis