Stop saving bookmarks you never open. Learn automation from practical, step-by-step ebooks, keep a cheat sheet beside you while you write tests, and walk into your next interview knowing your stuff.
In-depth guides you will actually finish
Each ebook takes one topic from basics to confident, with examples you can run. Free ones download instantly.
- Playwright with TypeScript: ₹199 (coming soon). A Practical Guide to Modern Test Automation - Build Scalable End-to-End Automation with PlayWright and TypeScript
The quick answer, when you need it
One-page references for the commands, locators and patterns you look up every week. Free to read, no sign-up.
- CSS selectors for testers: Every selector pattern worth knowing, with the ones that survive a redesign marked.
- XPath cheat sheet: Axes, functions and predicates, plus when XPath beats CSS and when it does not.
- Playwright locators: getByRole, getByTestId, filters and chaining, with auto-waiting explained.
- Selenium waits: Implicit, explicit and fluent waits, and why mixing the first two breaks tests.
- Playwright assertions: Web-first assertions, auto-retry behaviour and the soft assertion pattern.
- TestNG annotations: Execution order, groups, priorities, data providers and parallel config.
- JUnit 5 essentials: Lifecycle annotations, assertions, parameterised tests and extensions.
- Postman scripting: Pre-request and test scripts, variable scopes, chaining and collection runs.
- Rest Assured syntax: Given-when-then, JSON path extraction, schema validation and auth.
- HTTP status codes: What each code means and which ones your API tests should assert on.
- Git for testers: The twenty commands that cover ninety per cent of day-to-day test repo work.
- Docker for test execution: Running Selenium Grid and Playwright in containers, plus compose files.
- Jenkins pipeline snippets: Declarative pipeline blocks for building, running and reporting tests.
- SQL for testers: Joins, aggregates and the queries you actually need for backend validation.
- Java collections: List, Set, Map and Stream operations used constantly in automation code.
- Regex for testers: Patterns for validation, log parsing and dynamic locator construction.
- JMeter essentials: Thread groups, samplers, listeners and reading the results that matter.
- Accessibility testing: WCAG levels, ARIA roles, keyboard checks and what axe can and cannot catch.
- SDET interview questions: The questions that come up in almost every automation interview, with answers.
- Flaky test triage: A decision tree for diagnosing a flaky test rather than adding another sleep.
How to get the most from these resources
- Learn the concept. Read an ebook chapter or a cheat sheet on the one thing you need today.
- Practise it straight away. Try it on a real page in the free Tester Playground, so it sticks. Open the Tester Playground
- Explain it in an interview. When you have done it yourself, you can talk about it with confidence.
Questions testers ask
Are the cheat sheets free?
Yes. Every cheat sheet is free to read, with no sign-up. Bookmark the ones you use and keep them open while you write tests.
How do I download a free ebook?
Open the ebook, enter your email and mobile number, and the download starts straight away. We also email you a copy of the link, which works for 7 days.
How do paid ebooks work?
Pay securely with UPI, card or netbanking through Razorpay. Your download starts right after payment, we email your receipt, and you can get a fresh link at any time with “Resend my download link” on the ebook page.
What topics do the resources cover?
Java, Locators, API, CI/CD, Playwright, Selenium, Career and Waits. We add new ebooks and cheat sheets over time.
Who are these resources for?
Manual testers moving into automation, automation engineers and SDETs preparing for their next role, and anyone getting ready for a testing interview.