Free browser tools and Chrome extensions

Use focused Chrome extensions, data-structure visualizers, and practical web utilities without creating an account or paying for a subscription.

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Featured Extensions

Free Chrome extensions for focused YouTube browsing and cleaner article reading.

ShortsBlocker Hide YouTube Shorts from the homepage, search, subscriptions, and navigation areas so YouTube stays focused. Block YouTube Shorts OpenArticle Open supported Medium articles in a lightweight reader view with dark mode and keyboard-friendly controls. Open article reader

Explore Free Tools

Start with interactive developer tools and visualizers, then choose a specific workflow.

Free Developer Tools

Use browser-based tools for algorithm visualization, text comparison, word counting, and media link utilities.

Data Structure Visualizers

Explore interactive visualizers for linked lists, stacks, queues, hash tables, LRU cache, union find, trees, graphs, arrays, recursion, DP, and sorting algorithms.

Algorithm Visualizers

Choose interactive visualizers for searching, sorting, array patterns, dynamic programming, recursion, trees, and range queries.

Graph Algorithm Visualizers

Trace graph traversal, shortest paths, dependency ordering, minimum spanning trees, and component merging.

String Algorithm Visualizers

Compare KMP, Rabin Karp, Z algorithm, edit distance, and longest common subsequence with step-by-step tools.

Featured Tools

Run common developer tasks and explore algorithms directly in the browser.

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Heap Visualizer Sorting Algorithm Visualizer Binary Search Tree Visualizer AVL Tree Visualizer Dijkstra Algorithm Visualizer KMP String Matching Visualizer Text Comparison Tool JSON Formatter