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Scientific & Financial Growth Calculators
Precision calculation engines with visual graphing, printable audit paper tape, and offline currency exchange tables.
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100% In-RAM
Scientific 2D Graph Calculator
Advanced scientific calculator with real-time 2D function graphing, calculus, trigonometry, printable audit paper tape, and degree/radian modes.
Open Tool →
tools/omnicalc.html
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100% In-RAM
Percentage & Margin Calculator
Visual compound interest growth simulator, gross profit and markup margin calculator, sales tax/VAT engine, and restaurant tip splitter.
Open Tool →
tools/omnipercent.html
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100% In-RAM
Currency & Unit Converter
Real-time exchange rates for 172 fiat currencies, crypto (BTC, ETH, SOL), metric and imperial units across 48 physical categories with 100% offline cache.
Open Tool →
tools/omniconvert.html
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100% In-RAM
Diagram & Flowchart Maker
Generate 20+ Chart.js graphs and Mermaid flowcharts with smart table pasting, 6 professional color palettes, and 1-click SVG/PNG export.
Open Tool →
tools/omnidiagram.html