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开发者工具
Cron, timestamps, regex and bandwidth converters for developers.
Cron Expression Builder & Translator
Build cron expressions visually and translate any cron string to plain English with the next 5 fire times.
Unix Timestamp Converter (with Timezone)
Bidirectional Unix timestamp ↔ human date converter with timezones, milliseconds and ISO 8601.
Bandwidth & Download Time Calculator (Mbps ↔ MB/s)
Convert Mbps to MB/s and calculate download time for any file size at any internet speed.
Regex Tester with Plain English Explainer
Test regular expressions live with match highlighting and a plain English breakdown of every part of the pattern.