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Online Compiler with Code Visualizer
Run 20+ languages online & watch your code execute live
Run & debug code in 20+ languages in your browser—no signup. The difference: click Visualize and watch your code run step by step as arrays, lists, trees, graphs, recursion & memory (stack/heap) animate live. A free Python Tutor alternative for 8 languages
Hi Product Hunt 👋 I'm Anish, the maker.
Most online compilers do one thing: you run code, you get text output. That's fine for a quick test — but it's a terrible way to learn or debug an algorithm. When your sort is wrong or your recursion blows up, plain stdout doesn't tell you why.
So I built an online compiler that shows you what's actually happening. Click Visualize and it replays your program line by line — arrays and matrices, linked lists, binary trees, graphs (BFS/DFS), the call stack, and even real memory (stack frames + heap with pointer arrows) animate as each statement runs. Think of it as a Python Tutor alternative — but for 8 languages, not just Python.
What you get:
▎ 🧩 Run code in 20+ languages (Python, Java, C, C++, Go, Rust, C#, JS/TS, Ruby, PHP, Kotlin, Swift, and more)
▎ 🎬 Step-by-step visualization in Python, Java, C, C++, Go, Rust, C#, Lua
▎ 🧠 Memory view (stack + heap) for C, C++, Go, Python
▎ 🔗 Multi-file projects, stdin, and share-by-URL
▎ 🆓 Free, no signup, runs in the browser
▎
▎ 🚀 Start here → https://8gwifi.org/algorithm-vis...
▎ 🐍 Python → https://8gwifi.org/online-python...
I'd love feedback: which language's visualizer should I make next, and what data structures would help you most? Reply here — I'm reading everything today. 🙏
About Online Compiler with Code Visualizer on Product Hunt
“Run 20+ languages online & watch your code execute live”
Online Compiler with Code Visualizer was submitted on Product Hunt and earned 4 upvotes and 2 comments, placing #122 on the daily leaderboard. Run & debug code in 20+ languages in your browser—no signup. The difference: click Visualize and watch your code run step by step as arrays, lists, trees, graphs, recursion & memory (stack/heap) animate live. A free Python Tutor alternative for 8 languages
On the analytics side, Online Compiler with Code Visualizer competes within Education and Developer Tools — topics that collectively have 594.2k followers on Product Hunt. The dashboard above tracks how Online Compiler with Code Visualizer performed against the three products that launched closest to it on the same day.
Who hunted Online Compiler with Code Visualizer?
Online Compiler with Code Visualizer was hunted by Anish Nath. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Online Compiler with Code Visualizer including community comment highlights and product details, visit the product overview.
Anish Nath