Paste code or drop a whole project in 30+ languages. See what it builds, what is wrong, why, and exactly how to fix it.
Paste a snippet, open files, or drop a .zip of a project. Large projects are split into parts and scanned one after another, so size is not a problem.
Local checks run in your browser. For the AI review, your code is sent to the AI provider you chose. Don't paste passwords or secret keys.
Bug Scanner checks code in 30+ languages for syntax errors, logic bugs and security problems, explains each one in plain language and gives the fix. It can also show a live preview of what the code builds.
Yes. Paste code, open several files or drop a project ZIP, and each problem is listed with its file, an explanation and the fixed code.
Yes. It is free to use, with no account, no watermark and no paywall. The AI uses a free shared allowance; if it is busy or at its daily limit, try again later or add your own Gemini key.
Only the text you give the AI leaves your device: it is sent to Google’s Gemini model through MigaBuilder’s free AI service, or through your own Gemini key if you add one. Editing, previews and downloads all happen in your browser.
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