| What it does | Cron job monitoring that alerts you when a scheduled task, backup, queue, or script misses its heartbeat
| Free client-side developer tools that run entirely in your browser with no signup or data uploads
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| Stage | Startup
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| Founded | 2026
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| Based in | GB
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| Pricing model | Freemium
| Free
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| Pricing | Free: 10 checks, no card required. Startup: EUR 17/month (100 checks). Business: EUR 73/month (1,000 checks). Enterprise: Custom pricing. Annual billing is 20% cheaper than monthly. USD and GBP pricing also available.
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| Key features | - HTTP and email pings for job signals
- 12+ notification channels including email, Slack, PagerDuty, SMS, and webhooks
- Cron expressions, intervals, and calendar schedules with timezone support
- Grace periods to absorb normal jitter
- Live status and ping history with durations and exit codes
- Project-scoped API for automation
- Team collaboration with role-based access
- Public status pages
- Badges and JSON endpoints for external dashboards
- AI connections via hosted MCP endpoint
| - JSON to CSV converter with auto-delimiter detection and dot-notation flattening
- JSON formatter and validator with error highlighting
- Base64 encoder and decoder for text and binary data
- Cron expression parser with visual builder and English translation
- CSV to SQL converter for MySQL, Postgres and SQLite
- Regex tester and explainer with live highlighting
- Unix timestamp converter between epochs and dates
- UUID generator for v4 and v7 identifiers
- JSON diff for structural comparison
- JWT decoder and inspector
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| What makes it different | - No agents, SDKs, or infrastructure required—just add one HTTP request to your job
- Europe-hosted, operated, and owned with privacy-first data handling
- 5% of profit pledged to Open Source projects
- Lean, focused service that does one job well
| - 100% client-side processing with zero network requests
- No signup or account required
- Data never leaves your device for privacy and security
- Works offline after initial page load
- Each tool includes educational explanations of the underlying concepts
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 35 ▼ −1 (down) since last check | 6 ● no change since last check |
| Trust Flow (Majestic) | 30 | 4 |
| Citation Flow (Majestic) | 38 | 8 |
| Referring domains (Majestic) | 2414 | 8 |