Free Math Calculators
Whether you need to solve a quick equation, plot a function, or convert between units, our math calculator suite covers everything from beginner arithmetic to advanced scientific computing. All tools load instantly with no installation required.
Basic arithmetic & order of operations
Scientific functions (sin, cos, log, factorial)
Graphing with interactive pan & zoom
Unit conversion across 50+ measurement types
Hash Generator
Generate cryptographic hashes from text using MD5, SHA-1, SHA-256, SHA-512 and more. Learn how hashing works for security and data integrity.
Open calculator →JSON Formatter & Validator
Format, validate, and minify JSON data online. Handles large payloads efficiently with syntax highlighting, error detection, and tree view — all processed locally in your browser.
Open calculator →JavaScript Formatter & Validator
Format, validate, and minify JavaScript code online. Detects syntax errors instantly with clear error messages — all processed locally in your browser for speed and privacy.
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