Tools
Fast developer utilities that run locally in your browser. Copy/download results. No uploads.
Featured
Cron scheduler
Explain a cron expression and preview the next run times (local or UTC).
SchedulingTime
JSON formatter / minifier
Format/minify/validate JSON locally. Includes “sort keys” for diff-friendly output.
Data
Base64 encode / decode
UTF-8 safe Base64 + data: URLs. Copy output or download decoded bytes.
EncodingData
All tools
Cron scheduler
FeaturedExplain a cron expression and preview the next run times (local or UTC).
SchedulingTime
JSON formatter / minifier
FeaturedFormat/minify/validate JSON locally. Includes “sort keys” for diff-friendly output.
Data
Base64 encode / decode
FeaturedUTF-8 safe Base64 + data: URLs. Copy output or download decoded bytes.
EncodingData
Unix timestamp converter
Convert Unix timestamps (seconds/ms) into local time + UTC. Copy back easily.
Time
Guides
Practical answers for high-intent cron, JSON, Base64, and Unix timestamp questions.
Cron
Cron examples
Copy common schedules and open them in the Cron tool.
Cron
How to run cron every 5 minutes
Use */5 safely, avoid overlap, and test run previews before deploying.
Cron
Cron weekday schedule
Correct cron expressions for weekdays and exact business-hour times.
Cron
Cron every weekday at 9am
Use 0 9 * * 1-5 with practical variants and timezone-safe validation steps.
Cron
Cron first day of month
Reliable monthly cron patterns and timezone gotchas for billing/report jobs.
Cron
Cron last day of month
Month-end cron patterns, L support notes, and safe fallback strategies.