Software Testing Tools

Test coverage calculators, mutation score analyzers, test pyramid validators, performance testing calculators, and software testing reference tools that run entirely in your browser.

🔒 Browser-only — no data sent ⚡ Zero account required 📦 12 free tools

strategy

Test Pyramid Calculator→

Analyze test suite composition against the ideal unit/integration/E2E pyramid ratio.

coverage

Test Coverage ROI Calculator→

Calculate the engineering effort needed to reach a coverage target and expected defect reduction.

coverage

Mutation Score Reference→

Reference guide to mutation testing — Stryker, PITest, mutation score, and equivalent mutants.

data

Test Data Reference→

Reference guide to test data patterns — factories, Faker, database seeding, and test isolation.

integration

Contract Testing Reference→

Reference guide to contract testing — Pact, consumer-driven contracts, and schema registries.

performance

Performance Test Load Calculator→

Calculate virtual user count and load test parameters from target RPS and response time.

quality

Flaky Test Root Cause Reference→

Reference guide to flaky test root causes — timing, shared state, network calls, and random data.

quality

Test Name Validator→

Validate test names against Given-When-Then, Should, and three-part naming conventions.

strategy

Property-Based Testing Reference→

Reference guide to property-based testing — Hypothesis, fast-check, shrinking, and property types.

accessibility

Accessibility Testing Reference→

Reference guide to automated and manual accessibility testing — axe-core, screen readers, and keyboard testing.

frontend

Visual Regression Testing Reference→

Reference guide to visual regression testing — Playwright, Percy, Chromatic, and baseline management.

strategy

Test Suite Health Calculator→

Score overall test suite health from flakiness, speed, coverage, and maintenance burden.