Paste any cron expression (5 or 6 fields) and get a plain English explanation of when it will run.
- Understand complex cron schedules inherited from legacy systems
- Verify a cron expression fires at the intended times
- Teach cron syntax to new team members with plain English output
Build cron schedule expressions visually by selecting minute, hour, day, month, and weekday fields.
- Create cron jobs for scheduled database backups
- Schedule nightly report generation jobs
- Set up recurring maintenance scripts with correct syntax
View the current Unix timestamp in real time and convert between epoch seconds and human-readable dates.
- Get the current epoch for API request timestamp fields
- Convert log timestamps to local time for debugging
- Calculate future dates by adding seconds to current epoch
Click checkboxes for owner/group/other read, write, execute permissions and get the chmod octal and symbolic notation.
- Set correct file permissions for web server directories
- Understand permission values from ls -l output
- Generate chmod commands for deployment scripts
Paste .env file contents and view all KEY=VALUE pairs as a clean formatted table — safely in the browser.
- Audit environment variable names and values
- Share sanitized .env structure with teammates
- Inspect .env files without revealing values in terminals
Search by file extension to find the correct MIME content-type, or search by MIME type to find the extension.
- Set correct Content-Type headers in API responses
- Configure web server MIME types for static files
- Identify file types from content-type headers in HTTP traffic
Parse and validate semantic version strings, compare two versions, and identify major/minor/patch components.
- Validate version strings in CI/CD release pipelines
- Compare package versions to identify breaking changes
- Parse semver ranges for dependency resolution logic
Select your tech stack (Node, Python, Java, Go, etc.) and generate a comprehensive .gitignore file.
- Bootstrap .gitignore for new projects quickly
- Add language-specific ignore rules to existing repos
- Combine rules for full-stack projects with multiple languages
Check if any integer is prime and find all prime numbers within a given range using the Sieve of Eratosthenes.
- Verify prime numbers for cryptographic key generation study
- Find primes within a range for math competitions
- Test primality for algorithm and data structure coursework