PromptForge - 14 AI tools, your own API key, zero subscription

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PromptForge is an AI workspace with 14 tools — writing, code, SEO, research, data formulas, and more — built around your own API key instead of a subscription. No middleman markup, keys encrypted in your browser. Code Helper actually runs JavaScript live and auto-fixes errors with 3 different strategies. Data Wizard executes generated formulas against real sample data. Business Strategist gives you a radar chart, competitor map, and live revenue calculator from one idea.

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Hey everyone 👋 I'm the solo builder behind PromptForge. Wanted to share something upfront before anything else: I built this almost entirely through AI-assisted coding over the past month — Claude for the actual code, Antigravity 2.0 as my agentic IDE, Google AI Studio and Stitch for design, and OpenRouter + Groq to test everything against multiple models along the way. The core idea: bring your own AI provider key (OpenAI, Anthropic, Groq, Google, etc.) and get 14 tools built around it — no subscription stacked on top of what you're already paying for AI. A couple of things I'm genuinely proud of, not just because they look good in a screenshot but because they actually work: Code Helper runs your JavaScript in a real sandbox in the browser, and if it errors, AI tries 3 different fix strategies on its own Data Wizard generates SQL/Excel/Python formulas and then actually runs them against sample data so you see real output You'll need to add a free API key to try anything (Groq's free key takes ~2 minutes). Would love your honest feedback — what's confusing, what's missing, what you'd actually pay for. Thanks for checking it out!