Inputs saved in this browser
Saved calculations
Reopen and edit the inputs you saved.
Saved amounts do not reflect current prices or new dividend filings.
Only calculations you explicitly save are kept here. Compare stock or crypto average-cost, compound interest, dividends, dividend reinvestment, and single-sale or split-sale calculations. Use the same calculator, currency and quantity unit; dividend periods and sale modes are kept separate.
Create an investment project and report
Name your calculations, or duplicate one and edit its inputs to save a new calculation.
Save up to 20 calculations in this browser. They do not sync across devices. Clearing the browser's site data also removes saved calculations.
Backup and restore
Keep saved calculations in a file and restore them in another browser. The file is read locally in this browser and is not uploaded.
The file includes calculation names, inputs, and saved results. Result summaries in the file are not recalculated. Reopen the conditions to check the calculated results.
A JSON backup downloaded from wontools, up to 2 MB. Only selected entries are added. Existing calculations with the same conditions are kept.
Restore preview
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Investment projects
Edit projects in one tab. Simultaneous changes in multiple tabs may cause some edits to be lost.
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Group calculations into baseline A and alternative B, then keep results, assumptions and your reasoning in one report.
Up to 10 projects with 8 topics each. Projects stay in this browser and do not sync automatically. Clearing site data deletes them, so keep a separate project backup.