Online Community Building

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

Compare driving, ownership, shared rides, transit passes and commute alternatives with entered costs, matching periods and separate travel time.

Allocate the 168 hours in a seven-day week across work, commute, rest, care and other activities, then save observed and proposed schedules.

Track job and internship postings, materials, interview notes, status and dated next actions, with local saving, JSON restore and filtered CSV export.

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.

Model an hourly revenue floor from owner pay, overhead, a user-entered annual reserve, billable capacity, and target operating margin.

Calculate the theoretical break-even point and minimum whole sellable units, plus target-profit volume, contribution margin, and signed margin of safety.

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