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CodeViz
visualize your code stack trace
CodeViz runs your real DSA code and lets you step through execution line by line — not a fake animation. Write in Python, JS, Java, C, C++, C#, or Go. Hit Visualize and see: • Which line is running • Variables changing step by step • Arrays as bar charts • Program output as it runs Build a private question library with starter + solution code per language. Mac desktop app + web beta. Free during early access.
Top comment
Hey Product Hunt 👋 I built CodeViz because reading algorithm solutions wasn't enough — I needed to see what i, j, and the array were doing at each step. Unlike visualizers that replay pre-made animations, CodeViz instruments your actual code and returns a real execution trace. Works in 7 languages today. What you get: → Monaco editor + step-by-step playback → Variable diffs (amber highlight when values change) → Array bar charts when your code uses arrays → Your own private question library Still early — graph view is text-based, linked lists/trees coming next. Would love feedback on what to prioritize. Try it free, no credit card. Let me know what you think!
About CodeViz on Product Hunt
“visualize your code stack trace”
CodeViz was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #147 on the daily leaderboard. CodeViz runs your real DSA code and lets you step through execution line by line — not a fake animation. Write in Python, JS, Java, C, C++, C#, or Go. Hit Visualize and see: • Which line is running • Variables changing step by step • Arrays as bar charts • Program output as it runs Build a private question library with starter + solution code per language. Mac desktop app + web beta. Free during early access.
On the analytics side, CodeViz competes within Productivity, Education and Developer Tools — topics that collectively have 1.3M followers on Product Hunt. The dashboard above tracks how CodeViz performed against the three products that launched closest to it on the same day.
Who hunted CodeViz?
CodeViz was hunted by hashwanth alla. 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 CodeViz including community comment highlights and product details, visit the product overview.