Size your line or shop from your own numbers.
Put in the rate, the steps and their times. The modelers give back people, machines, the bottleneck and output.
Latest:Floor Simulator 0.6.0, 28 Oct 2026
The modelers
One for a production line, one for staffing a flow, one for a high-mix or repair shop. Each runs offline from one file.
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A production line at a rate
Floor Simulator
What does the whole line look like at this rate?
In the Complete plan, $19 a month or $249 once
How it works, step by step
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Staffing for one flow or line
Process Modeler
How many people, where, and what output?
In the Complete plan, $19 a month or $149 once
Free web version in the browser
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A high-mix or repair shop
Mixed Shop Modeler
Do my machines and stands have room for this mix?
In the Complete plan, $19 a month or $179 once
Free web version in the browser
Start from your problem
Pick the problem you have on the line, in the warehouse or in the repair shop. Each page gets you to the fix with your own numbers.
- The line is behind scheduleFind what is actually setting the pace
- Where is the bottleneck?Measure it instead of arguing about it
- Too much WIP, lead times too longCap what is open, shorten the wait
- Changeovers take too longMove setup work off the machine
- Overtime every weekSize hours and people to the real demand
- Repair turn time too longFind where the work order waits
- Too much inventory, still shortSet stock by item, not by feel
- See every problemFlow, capacity, quality, inventory, warehouse, MRO, daily management
The tools
Each tool runs on your computer and saves to your files. Use every tool in a tier on a plan, or buy one as an offline file.
- ModelersStaffing and load models for lines, fulfillment flows, and high-mix or repair shops, plus the full floor model3 tools
- Value Stream MappingMap a production, order-to-delivery, or repair flow, find where the time goes, plan the future state2 tools
- Line Design + FlowTakt, stations, and yamazumi stacks for assembly, pack, and overhaul lines, and the steps to move an area to flow3 tools
- Problem SolvingA3 and 5 Why, built to work together, for problems anywhere in operations3 tools
- TemplatesEvery free web template has a Pro offline version8 tools
- CalculatorsEvery free web calculator has a Pro offline version14 tools
- AssessmentScore readiness against a written rubric and see what to fix first1 tool
- TrainingClass material and self-teaching worksheets for flow basics2 tools
Plans: Starter$5, Professional$12, Complete$19 a month.
Free to learn and to use
- Calculators17
- Templates15
- Process Modelerin the browser
- Mixed Shop Modelerin the browser
- Flow gamesin the browser
- GlossaryA to Z
174 free guides
- Lean Manufacturing
- OEE (Overall Equipment Effectiveness)
- Value Stream Mapping
- Kanban & Pull Systems
- 5S Methodology
- Six Sigma
- SMED & Quick Changeover
- Root Cause Analysis
- Theory of Constraints
- Takt Time
- Line Balancing
- Standard Work
- Total Productive Maintenance
- Inventory Management
- Warehousing & Distribution
- Preventive & Predictive Maintenance
Learning tracks, with a plan
16 tracks put the guides in order, with knowledge checks. They come with any plan.
See the tracks
Every tool in one window, offline
- Installs from Edge or Chrome in one click: its own window and Start menu entry, no installer, no admin rights.
- Works offline: the free calculators and templates, and every tool you keep in it.
- Updates itself. When a tool has a new version, one click gets it.
- Work saves in the browser as you go; Save file keeps a copy on your computer.
The Toolbox is free; it opens the tools you own or get on a plan. Want a file instead? Every tool still downloads as a single file that runs in the browser.