Intro.js

Intro.js is a free, open-source JavaScript library for adding interactive product tours and feature introductions to web applications — with tooltip-based step-by-step guides that can be customized with CSS.

What Makes Intro.js Stand Out

Free for personal use, affordable $9.99 commercial license. Lightweight library that integrates with any JavaScript framework

CSS customizable to match any design system

Pricing and Plans

Intro.js is free and open-source — you can use it without any licensing cost, audit the code, and self-host it for complete data control.

Who Should Use Intro.js

Intro.js is best for teams and individuals who need product tours capabilities and where free for personal use, affordable $9.99 commercial license. It may not be the right fit when requires developer implementation — not no-code.

Verdict

Intro.js delivers on its core promise as a product tours tool. Intro.js is a free, open-source JavaScript library for adding interactive product tours and feature ... For teams evaluating product tours options, Intro.js is worth considering based on its specific strengths and how they align with your requirements.

Keyboard Navigation Support

Intro.js provides keyboard navigation within tours: users navigate steps with arrow keys and close tours with Escape — making tours accessible without mouse interaction. This keyboard support satisfies WCAG accessibility requirements for interactive UI elements.

Tour Progress Indicators

Intro.js displays step progress (Step 2 of 5) and enables configuring which steps are skippable — enabling users to jump ahead without completing every step sequentially. This progressive disclosure respects user autonomy rather than forcing linear completion.

Commercial License

Intro.js is free for non-commercial use. Commercial use in revenue-generating products requires a $9.99 license — one of the most affordable commercial licenses for web libraries, covering all features with no usage limits.

React and Framework Integration

Intro.js provides React, Vue, and Angular wrapper components alongside the vanilla JavaScript library — enabling integration with component-based frameworks through native component APIs rather than DOM manipulation.

Overall rating: 4.1 / 5

Intro.js is the open-source JavaScript library for creating interactive step-by-step product tours and feature introductions — highlighting page elements sequentially with tooltip annotations that guide new users through complex interfaces.

Developer-Controlled Onboarding

Intro.js enables developers to implement onboarding tours with minimal code: attaching data-intro and data-step attributes to HTML elements defines the tour sequence, with a few lines of JavaScript to initialize. This low-friction implementation contrasts with no-code alternatives like Appcues that require script injection and visual builder workflow.

Customization and Theming

Intro.js CSS is fully customizable — teams apply brand colors, typography, and design language to tour elements through CSS overrides. This customization capability enables onboarding that feels native to the product rather than clearly a third-party overlay.

When to Use Intro.js vs. No-Code Tools

Intro.js is the right choice when: the engineering team wants code-level control over tour implementation, privacy requirements prohibit third-party scripts, or the product team doesn't need A/B testing and analytics. No-code tools like Appcues are better when marketing or product can deploy tours without engineering involvement.

Overall rating: 4.1 / 5