The browser-local scenario planner
Your assumptions stay on the page.
This page describes the StackSpend Lab static planner from Ascendant Systems LLC. Read it with our privacy notice and terms.
Local calculations
Scenario names, capacity and region labels, schedules, rates, source notes and other inputs are processed in your browser. The planner does not submit them to a server, fetch vendor prices, connect to cloud accounts, send inputs to AI, or create an account. A source reference is treated as text; the tool does not open or fetch it.
Do not enter credentials, confidential architecture details or sensitive personal information. The tool does not automatically save inputs in cookies or browser storage. Reloading or leaving can lose your work, though your browser may restore form values through its own page-restoration features.
Scenario exports
The JSON download is generated locally and includes your inputs, scenario and source labels, rates, formulas, results and model version. These details may be commercially sensitive. Review the file before sharing it and choose its storage location carefully.
“Clear all inputs” resets the current page. It does not delete downloaded reports, browser-managed copies or messages you have sent. Browser memory is managed by the browser; clearing a form is not a secure-erasure guarantee.
Website requests
Your browser makes ordinary requests for this page and its static assets. Hosting infrastructure receives connection and request metadata, such as your IP address, requested page, time and browser information. This is separate from scenario inputs, which are not submitted. The planner uses no third-party fonts or advertising scripts.
The modeling-pilot link opens your email application with a fixed subject. It does not attach the report or add any scenario input to the message. If you choose to send email, your email provider processes it and Ascendant Systems LLC receives it. Avoid including confidential rates or credentials in an initial inquiry.
Questions about this tool can be sent to hello@ascendantsystems.net.
Limited activity counts
We count page views, completed tool checks, prepared report exports and clicks on designated inquiry links. Each event contains only an event type, fixed asset and page identifiers, a format version and a new random event ID. It contains no inputs, results, file names, file contents, source links or referrer. These counters use no cookies or browser storage and respect Global Privacy Control and Do Not Track. Synthetic examples are excluded from action counts. A prepared export is not a confirmed download; an inquiry click is not a sent message or a lead.