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More utilities to simplify your day.
Explore more Instrumenta Omnia utilities and discover tool categories that simplify everyday tasks.
Online stopwatch
Measure time with pause, resume and lap times.
Online timer
Online countdown timer with pause, resume and an optional sound.
Days between dates
Calculate calendar days between two dates, with an inclusive end-date option.
Working days and holidays
Count working days with Italian or custom holidays and optional working Saturdays.
Add hours and minutes
Add and subtract durations in hours and minutes, with decimal-hour totals.
Work hours and breaks
Calculate worked hours from intervals, overnight shifts and additional breaks.
JWT decoder
Read a JWT’s JSON header and payload locally without sending the token elsewhere.
JSON formatter
Format or minify JSON while preserving numbers and duplicate keys. Browser processing: 1 million input characters, 100 nesting levels, 4 million output characters.
JSON validator
Validate JSON syntax and locate errors by line and column. Does not validate JSON Schema and allows duplicate keys. Up to 1 million characters and 100 levels.
Base64 converter
Encode and decode UTF-8 text with standard Base64 or Base64url. Text up to 200,000 characters; Base64 strings up to 1 million. Binary files not supported.
Regex tester
Test JavaScript regex with groups and indices. Isolated worker, 1 second limit, 100,000 text characters, 1,000 results and 500,000 captured characters. Not PCRE.