Social Media Management

Calculate total ROI and net gain or loss, then use CAGR for endpoint-only investments or money-weighted IRR for explicit year-end contributions.

Allocate exactly 100% of monthly income, compare non-negative actual spending, expose fixed-dollar extras, and review transparent balances and planning ratios.

Convert an entered unit cost and markup-on-cost percentage into markup amount, selling price, and equivalent gross margin with visible steps.

Calculate gross profit and operating profit or loss from net revenue, cost of sales, and operating expenses for one consistent period.

Calculate one flat or progressive commission plan for an explicitly labeled sales period, including same-period base pay without automatic annualization.

Simple in-browser notepad with auto-save. Write quick notes that persist in your browser. Download as text file. No signup needed.

Reproduce reviewed square-pixel active-image geometry for a documented target canvas using an explicit Fit/Pad or Fill/Crop mode and rounding rule.

Calculate whole-pixel image dimensions with a locked ratio or independent width and height, then compare scale and pixel area before exporting in an editor.

Count words, Unicode characters, sentences and paragraphs. Inspect English readability, estimate reading time and compare a selected publishing length rule.

Preview sRGB colors with adjustable color-vision models. Compare palettes and text pairs, check original contrast, and copy the simulated colors as CSV.