Calculate next and upcoming run times for any cron expression

Generate and solve Sudoku puzzles with difficulty levels, hints, and validation.

Calculate SaaS Magic Number from net new ARR and S&M spend to assess go-to-market efficiency.

Score threat intelligence indicator of compromise confidence

Check security controls against SOC 2 trust service criteria

Score supplier diversity program performance from spend data

Validate coupon codes, apply discounts, and calculate final prices with minimum order checks.

Calculate optimal bedtimes and wake times based on 90-minute sleep cycles.

Calculate full payroll burden rate from FICA, FUTA, SUTA, workers comp, and benefits.

Search 75,000+ radio stations worldwide by genre, country, or name via Radio Browser.

Calculate rubric-based scores with weighted criteria

Rule-based grammar checker — 18 rules covering spelling, punctuation, passive voice, and more.

Reference guide for SHA-512 high-security hashing and performance characteristics.

Calculate ransomware risk from backup status, email filtering, EDR, MFA, network segmentation, and IR readiness.

Calculate equity dilution from funding rounds, option pool creation, and share issuance.

Look up Japanese kanji meanings, readings, stroke count, JLPT level, and usage examples.

Detect and filter profanity with mild/severe classification and 4 redaction styles.

Live MLB scores, standings, player data, and team info via official MLB Stats API.

Predict injury recovery timelines from diagnosis data

Score team health across goal clarity, psychological safety, collaboration, execution, and growth.