| What it does | Free online calculators and tools that run entirely in your browser
| Free Erlang C calculator for contact center staffing and service level planning
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| ES
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Paycheck calculator for all 50 US states and DC
- 2025-2026 tax deduction calculators for overtime, tips, and charitable giving
- PDF to Word converter with scanned page support
- Mortgage and auto loan calculators
- Image resizing, format conversion and compression tools
- JSON formatter and validator
- Retirement and investment calculators
- Everyday calculators for time, measurements and fitness
| - Calculates minimum agents needed for service level targets
- Erlang C probability and queuing formulas
- Computes average speed to answer (ASA)
- Shows agent occupancy and utilization
- Generates comparison table of agents and metrics
- CSV export for Excel analysis
- Embedded iframe version for websites
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| What makes it different | - All tools run entirely in browser with no server upload
- No signup, download or installation required
- Over 100 free calculators and tools with no watermarks or ads on results
- Updated daily to reflect new tax laws and government guidance
| - No registration required, runs in browser without sending data
- Preset buttons for Spain's Law 10/2025 compliance targets
- Based on ITU-T E.600 recommendation and ITU-D teletraffic engineering
- Uses stable numerical recursion method for any agent count
- Completely free with no advertising when embedded
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 26 | 4 |
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| Referring domains (Majestic) | 45 | 3 |
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