5 Free Research Tools Now Available

We just launched five free tools for anyone doing customer research. No account needed, no data stored.

The Tools

1. [Interview Invite Optimizer](/tools/survey-invite-optimizer): Score your voice interview invitation email and get a complete 3-email invite sequence (announcement, invite, reminder).

1. [Question Bias Checker](/tools/survey-question-bias-checker): Scan questions for leading language, loaded adjectives, double-barreled phrasing, and five other bias categories. Instant neutral rewrites.

1. [Sample Size Calculator](/tools/sample-size-calculator): Enter your confidence level, margin of error, and population size. Get the exact number of interviews you need, plus cost and time comparisons.

1. [Research Method Picker](/tools/research-method-picker): Answer five questions about your project and get a best-fit method recommendation with a clear explanation.

1. [Survey Health Check](/tools/survey-health-check): Score 5-15 survey questions across clarity, bias, emotional depth, and actionability. Includes a voice interview conversion guide.

Why Free?

Better research tools for everyone raise the quality of customer research across the board. These tools are free, require no account, and store nothing.

Read the full announcement on the [blog](/blog/5-free-tools-better-research).