Free Tools for QA Engineers
Practical, browser-based utilities that save QA engineers hours every week. All free.
JSON / JSONPath / JMESPath Tester
Paste any JSON response, run JSONPath and JMESPath queries side by side, build assertions, and export ready-to-paste Postman, Rest Assured, and Playwright test code. Runs 100% in your browser.
Read guide Free tool · livecURL to Code Converter
Paste any cURL command (or Chrome DevTools 'Copy as cURL' output) and export it as a Postman v2.1 collection, Playwright API test, Rest Assured Java class, k6 load test with thresholds, or 6 other targets — with headers, auth, and body handled correctly.
Read guide Free tool · livePostman Collection → Code Converter
Upload any Postman collection (v2.0 or v2.1) and export a full test suite for Playwright, Rest Assured, k6, Cypress, Supertest, Python (pytest), or Karate. Folder structure, pm.test assertions, auth, and environment variables are preserved.
Read guide Free tool · liveXPath & CSS Selector Generator
Paste an HTML snippet, click any element, and get robust Playwright, Selenium and Cypress locators — each validated against your DOM. Nothing leaves your browser.
Read guide Free tool · liveRegex Tester for QA Engineers
Paste a pattern, test against multi-line input, and export ready-to-paste snippets for Java, Python, JavaScript, .NET, Go, Playwright, and Rest Assured. Ships with 25+ QA-focused prebuilt patterns and a pattern explainer.
Read guide Free tool · liveJWT Debugger for QA & API Testers
Decode any JWT, verify HS256/RS256/ES256 signatures with WebCrypto, and run a 15-check OWASP vulnerability audit. Export to Postman pre-request scripts, Playwright request contexts, or Rest Assured specs. Tokens never leave your browser.
Read guide Free tool · liveCron Expression Builder & Tester
Build, translate, and test any cron expression. Get next 10 run times in any timezone and export ready-to-paste schedules for Jenkins, GitHub Actions, Kubernetes CronJob, Quartz, Node-cron, Vercel Cron, systemd, AWS EventBridge, and Postgres pg_cron.
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