Promptera
ExtensionTools



Overview
Overlay prompt optimizer for Claude, ChatGPT, and Gemini
Promptera — AI Prompt Optimizer Promptera adds a optimization button directly to your favorite AI chat interfaces — Claude, ChatGPT, and Gemini — so you can optimize your prompts before you send them. Choose from three modes: Rewrite for Clarity — makes your prompt cleaner and more specific Add Context — adds role, format, and tone guidance Alternatives — generates 3 different versions of your prompt Powered by your own free Gemini API key. No subscriptions, no data collection, no middleman.
0 out of 5No ratings
Details
- Version0.1.0
- UpdatedJune 30, 2026
- Offered bymatth3w
- Size1.52MiB
- LanguagesEnglish
- DeveloperMATTHEW RYAN CANTOR
45 Direzze Court Richmond Hill, ON L4C 0C6 CAEmail
matthewcantor06@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes