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Latest Tools - Page 13
OGG to WAV Converter
Convert .ogg/.opus audio to uncompressed .wav entirely in your browser.
Odd Time Signature Click Track
Custom metronome for odd time signatures like 5/4, 7/8, 9/8. Generate precise click tracks with visual beat indicators and accent patterns for musicians.
OpenGraph Tag Validator – Check OG meta tags for Facebook/Twitter sharing
Validate OpenGraph meta tags on any webpage for optimal Facebook, Twitter and social media sharing
Opposite Word Flasher
Flash words with their opposites for vocabulary building, language learning, and cognitive exercises
Ordinal Number Converter
Convert integers to ordinal form (1 → 1st, 2 → 2nd) and reverse ordinals back to numbers with comprehensive formatting options
Origami Diagram Shuffle
Generate random origami base fold diagrams with step-by-step instructions for traditional foundations
Origami Step Generator
Create visual origami folding instructions with arrows, fold lines, and step-by-step diagrams for paper folding projects
PDF Converter
Convert PDF files to various formats including text, images, HTML, and Word. Extract content, split pages, merge documents, and process PDFs with professional-grade tools.
PDF Metadata Viewer
Extract title, author, creation date and other metadata from PDF files instantly with drag-and-drop support
PNG Transparency Remover
Upload a PNG and flatten transparency onto a chosen background color. Produces an opaque PNG with no alpha.
Paint Coverage Estimator
Estimate paint coverage and calculate gallons needed for rooms, walls, and painting projects
Palette Emotion Picker
Generate curated color palettes based on mood words and emotions using color psychology principles
Pan Size Converter
Convert recipe quantities when using different baking pan shapes and sizes with precise area calculations
Pantry Inventory Tracker
Track pantry items, expiration dates, and quantities in your browser with local storage persistence
Paper Ruler Generator
Generate precise printable rulers in inches or centimeters for cutting and measuring projects
Party Hat Template Maker
Create printable cone-shaped party hat templates with custom text and decorative patterns
Password Entropy Estimator
Calculate password strength using Shannon entropy with comprehensive security analysis and crack time estimates
Password Generator
Create passwords for cryptocurrency wallets, secure file encryption, VPN access, or other security-critical systems
Password Strength Checker
Professional password strength analyzer with real-time security scoring and improvement recommendations for developers
Pattern Contrast Checker - Text Readability Analyzer
Upload pattern images and test text overlay readability with WCAG contrast analysis and accessibility compliance checking
Pattern Grid Filler
Generate random textile pattern grids for design inspiration
Pattern Symmetry Designer
Create beautiful symmetric patterns by drawing shapes and applying reflection symmetry - horizontal, vertical, radial, and kaleidoscope effects
Percentage Calculator
Calculate percentages, percentage changes, tips, discounts, and more with our comprehensive percentage calculator featuring step-by-step explanations and multiple calculation types.
Percentage Error Calculator - Math & Physics
Calculate percentage error between measured and actual values for scientific experiments and academic studies
Percentage Off Calculator
Calculate discount savings and percentage off from original and sale prices instantly
Perspective Box Drawer
Generate interactive cube grids for perspective drawing practice with 1-point, 2-point, and 3-point perspective options
Pest Identifier Quiz
Identify garden pests through guided questions and photo analysis. Get reference information about common pests affecting your plants, with treatment suggestions and prevention tips.
Phonics Group Flasher
Flash words grouped by phonics patterns like 'at' or 'op' in fullscreen mode for reading practice and phonics education
Phonics Sorting Tool
Sort words into groups by vowel sounds or consonant patterns for phonics education and reading instruction
Physics Calculator
Comprehensive physics calculator for mechanics, electricity, thermodynamics, waves, and modern physics