All calculators & tools
// Every Unix Calculator route in one grid — same terminal cards as the homepage
Tools hub
Browse batch processing, log parsing, cron, DB migration helpers, and more.
~200K / mo
Timestamp Debugger
Paste any timestamp. Instant auto-detection of format, timezone breakdown, and production bug warnings.
~400K / mo
JWT Decoder
Decode JWT tokens instantly. View header, payload, expiry status, and all claims. 100% client-side.
~400K / mo
JWT Decoder
Decode JSON Web Tokens instantly
~120K / mo
Permissions Calculator
chmod calculator with visual bit toggling
~120K / mo
Timestamp Converter
Convert between Unix epoch seconds and human-readable UTC/local datetime.
~120K / mo
Timestamp API
Free JSON API — no key required
~120K / mo
Batch Processor
Batch timestamp and data processing.
~120K / mo
Timezone Converter
Convert times across time zones.
~120K / mo
Duration Calculator
Compute durations between dates and times.
~120K / mo
Cron Generator
Build and validate cron expressions.
~120K / mo
Cron Next Runs
See next 10 scheduled times for any cron expression
~120K / mo
Log Parser
Parse and analyze log timestamps.
~120K / mo
API Formatter
Format and inspect API payloads.
~120K / mo
DB Migration
Helpers for database migration timestamps.
~120K / mo
Age Calculator
Calculate exact age with Unix date commands
~1.1M / mo
Percentage Calculator
BC-powered percentage calculations with precision
~448K / mo
Binary Converter
Convert bases using BC obase/ibase
~62K / mo
Hash Calculator
Generate hashes with Unix command-line tools
~45K / mo
Regex Tester
Test patterns with grep, sed, and awk
~78K / mo
File Size Calculator
Calculate storage with du, df commands
~34K / mo
Time Calculator
Time calculations with Unix date commands
~327K / mo
Temperature Converter
Convert between temperature scales with BC
~156K / mo