Practical Utilities
Handle dates, units, QR codes, and passwords with quick browser-based utilities.
Showing 6 of 6 tools
Timestamp Converter
Convert dates and times between common formats, Unix seconds or milliseconds, and UTC.
QR Code Generator
Generate downloadable QR code images for text or URLs with local rendering options.
Password Generator
Generate strong random passwords with adjustable rules.
Timezone Converter
Convert times between IANA timezones with DST handled.
Date Difference Calculator
Calculate the exact duration between two dates and times.
Byte / KB / MB / GB Converter
Convert between bytes, KB, MB, GB, and TB — both SI and IEC.
Practical, bounded operations
Each utility exposes the inputs, output format, and relevant limits so the result can be checked before it is reused.