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Use.fo - Prompt Optimizerleft a comment
Hey Product Hunt, I built use.fo because I kept losing momentum every time I had to turn a rough thought into usable text. Voice typing is fast, but raw transcripts are usually messy. AI writing tools are useful, but they pull you out of the app you were already using. use.fo combines both into one desktop workflow: hold a hotkey, speak naturally, release, and polished text is pasted right...
use.fo: AI Voice TypingHold to talk. Release to paste polished text anywhere.
use.fo turns voice into polished text anywhere you type. Hold Fn on Mac or Right Alt on Windows, speak naturally, and release to paste clean writing into Gmail, Slack, Notion, docs, code comments, or any desktop app. It removes filler, fixes structure and punctuation, supports rewrite modes like email, work chat, translation, social posts, and image/video prompts, and keeps your flow inside the app you were already using.
use.fo: AI Voice TypingHold to talk. Release to paste polished text anywhere.
Static templates? Boring. Use.fo adapts to YOUR context with dual-mode AI:
🆕 Deep Mode – Extracts your real intent (not just keywords), asks smart questions, then outputs structured prompts with success criteria. Like autocomplete for complex thoughts.
💬 Fast Mode – Instant mid-conversation polish that keeps your natural voice intact.
The magic: PhD-level prompt engineering (intent analysis, reasoning, constraint mapping) → one ✨ click. Expert results, zero mental overhead.
Use.fo - AI Prompt WriterTurn every AI chat into expert-level results—instantly.
Use.fo - Prompt Optimizerleft a comment
👋 Hey Product Hunt! I'm DC, and I built Use.fo because I was tired of AI giving me "meh" results. The problem? Most people blame the AI model when they get bad outputs. But research shows 50% of AI performance comes from how you phrase your prompt, not the model itself. The solution: Use.fo is a Chrome extension that: - Instantly expands shortcuts → Type /standup in Slack, auto-fills your daily...
Use.fo - AI Prompt WriterTurn every AI chat into expert-level results—instantly.