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PromptMachine
Not an assistant. An instrument.
A precision console for composing LLM prompts. Pick from 149 roles, tune 6 sliders, get 3 outputs: natural-language prompt, universal XML pivot (AI Esperanto), and native transposition for your target model. Built for people who write serious prompts daily and are tired of re-explaining context to every new model. Single-file, offline-first PWA. No account, no tracking, no subscription. $21 once, yours forever. Built solo, in the open.
Hi Product Hunt 👋
I'm Eric, solo founder of NewTone Labs. My background isn't software — it's early childhood education. I built PromptMachine on an Android phone, orchestrating AI collaborators, because I believe 2026 is the year an independent creator can ship a serious tool with almost no resources.
PromptMachine is not a chatbot wrapper. It's an instrument: you compose a prompt like you'd play a console — role, action, six sliders, filters — and it outputs three things: a natural-language prompt, a structured XML pivot I call AI Esperanto, and a native transposition optimized for your target model. The same composition travels across ChatGPT, Claude, Gemini, or a local model.
Three commitments: no subscription, no account, no tracking. It's a single inspectable HTML file that works offline. $21, one time, yours forever.
I'll be here all day — ask me anything, especially the hard questions. Honest feedback beats upvotes.
About PromptMachine on Product Hunt
“Not an assistant. An instrument.”
PromptMachine was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #147 on the daily leaderboard. A precision console for composing LLM prompts. Pick from 149 roles, tune 6 sliders, get 3 outputs: natural-language prompt, universal XML pivot (AI Esperanto), and native transposition for your target model. Built for people who write serious prompts daily and are tired of re-explaining context to every new model. Single-file, offline-first PWA. No account, no tracking, no subscription. $21 once, yours forever. Built solo, in the open.
On the analytics side, PromptMachine competes within Productivity, Developer Tools and Artificial Intelligence — topics that collectively have 1.7M followers on Product Hunt. The dashboard above tracks how PromptMachine performed against the three products that launched closest to it on the same day.
Who hunted PromptMachine?
PromptMachine was hunted by eric b. 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 PromptMachine including community comment highlights and product details, visit the product overview.
eric b