Your prompt library, always at hand
Save prompts from any supported chat, inject them with one click, and reuse your best work every time.
PowerPrompter
Most people use AI at 10% of its potential. PowerPrompter gives you the other 90%—a prompt library for Claude, ChatGPT, and Gemini, plus super powers that refine every prompt before you send it. No prompt-engineering expertise required.
Why PowerPrompter?
-
-
Organized and findable
Folders up to three levels deep, tags, search, and sort—so the right prompt is never more than a click away.
-
Super powers that sharpen every prompt
13 built-in tools to minify, optimize, A/B test, and more—turning rough drafts into prompts that get results.
Super powers
Super powers are built-in tools that refine, optimize, and test your prompts before you send them. They turn anyone into an expert prompt engineer—so you get significantly more value from the AI you already use, without learning the craft from scratch.
13 built-in tools grouped by plan tier. Core powers work offline; Pro and Max powers use your own API key (BYOK)—keys stay encrypted in your browser and are never sent to PowerPrompter servers. Some LLM providers include free API keys and free usage tiers; see how to set up an API key.
Free — core super powers
-
Minify
Strip filler, fluff, and verbose phrasing to shrink the prompt.
-
Convert format
Reshape the prompt into bullets, numbered steps, or Markdown sections.
-
Inject role
Prepend an expert persona so the model answers in-character.
-
Set output format
Append an explicit instruction for how the answer should be formatted.
-
Set tone
Append a directive for the desired tone of voice.
-
Set language
Append an instruction to answer in a specific language.
Pro — AI super powers
-
Optimize
Rewrite the prompt to be clearer and more effective for an LLM.
-
Explain
Get an analysis of the prompt's strengths, weaknesses, and fixes.
-
Expand context
Add helpful context, constraints, and success criteria to a terse prompt.
-
Token estimate
Estimate tokens and approximate API cost for this prompt.
Max — advanced super powers
-
Variants
Generate Direct, chain-of-thought, and few-shot variants.
-
Specialize
Add domain terminology, caveats, and disclaimers.
-
A/B test
Compare two prompts side-by-side with the same model.
Plans and limits
Tier names and limits below match the product; public pricing in dollars is not listed on this page (set your Stripe or storefront pricing when you are ready to publish it).
| Feature | Free | Pro | Max |
|---|---|---|---|
| Prompts stored | 25 | 500 | Unlimited |
| Signed-in devices | — | 2 | 3 |
| Core super powers (6) | Yes | Yes | Yes |
| AI super powers (Pro tier, your API key) | — | Yes | Yes |
| Advanced super powers (Max tier) | — | — | Yes |
| Cloud sync | — | Yes | Yes |
| Pro / Max entitlement | — | Subscription (verified in app) | Subscription (verified in app) |
If you downgrade and have more prompts than your new plan allows, your library becomes read-only until you delete prompts or upgrade again.
Get PowerPrompter
PowerPrompter is a Chrome extension that works on Claude, ChatGPT, and Gemini. When the public listing is live, you can add a Chrome Web Store button here.
Install: Chrome Web Store link coming soon.
Replace this block with your store URL when it is public.
Need help getting started? Read the PowerPrompter documentation for install steps, super powers, plan limits, and troubleshooting.
Related
All products · PowerPrompter docs · Home · About KyberFlow Labs