AI

Step-by-step guide to get a free AI API key for Gemini, Groq, OpenRouter and Ollama. No credit card needed, keys are never stored — works with every BoxTool AI tool.

Paste code and get an AI explanation: what it does, how each part works, potential bugs and improvement ideas. Supports JavaScript, TypeScript, Python, Java, C#, Go, PHP, SQL.

Fix Vietnamese and English spelling and grammar with AI, rewrite sentences for clarity or change the tone — with a list of what changed. Uses your own API key.

Upload an image and let AI write SEO-friendly alt text, a detailed description, social captions and hashtags. Images are downscaled on your device before being sent to the AI provider you choose.

Describe what you need in plain language and let AI write the SQL, or paste an existing query to get an explanation and optimisation tips. Works with MySQL, PostgreSQL, SQL Server and SQLite.

Summarize long text or PDF files with AI using your own API key: pick the summary length and output language. Nothing is uploaded to any server.

Translate text with AI using your own API key: choose the target language, preserve formatting, keep your glossary and compare a bilingual view. Supports Vietnamese, English, Japanese, Korean, Chinese, Thai and more.