Date & Time Calculators
Time is the one resource you can't buy more of — but you can manage it better. Our Date & Time tools help you plan across time zones, track durations precisely, and print beautiful custom calendars for any month.
Exact days between any two dates
Multi-timezone comparison & planning
Printable monthly calendar (3 formats)
Daylight saving time awareness
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.
Open calculator →