Flash Light Commerce ↗
Free Amazon seller tools · v0.4

Make better selling decisions, one tool at a time.

Review listing content, estimate profitability and check keyword coverage. Free to use, no account required. Inputs are processed in your browser.

Three tools are available. Three additional tools are planned.

Listing Health Checker

Get a transparent editorial completeness score and practical suggestions.

Profit Calculator

Estimate profit, margin and break-even advertising costs.

Keyword Coverage Analyser

Check which target phrases appear in your supplied listing copy.

Competitor Comparison

Compare listing content and attributes side by side.

Coming Soon

PPC Performance Calculator

Explore ACoS, TACoS and advertising efficiency.

Coming Soon

Listing Improvement Tracker

Record listing changes and review progress over time.

Coming Soon

Independent third-party tools; not affiliated with or endorsed by Amazon. Calculations are estimates and content checks are general heuristics. Verify fees and marketplace requirements independently.