Promptera
Overlay prompt optimizer for Claude, ChatGPT, and Gemini
As of July 2026, Promptera has — users in the Productivity category.
Usersno change0%
—
—
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
0.1.0
Manifest V3
History
1 snapshotsTracking since Jul 1, 2026.
Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Jul 1, 2026 | — | — | — | 0.1.0 |
| Now | — | — | — | 0.1.0 |
Permissions & access
- Permissions
- storageactiveTab
- Host access
- https://claude.ai/*, https://chatgpt.com/*, https://chat.openai.com/*, https://gemini.google.com/*, https://generativelanguage.googleapis.com/*
Screenshots
About
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.
Technical
- Version
- 0.1.0
- Manifest
- V3
- Size
- 1.52MiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- eoebhocknlohlkkibncanpcocempdcnn
- Developer ID
- uc91851b20adc668ec4e0f82e0d0ad34e
- Developer Email
- [email protected]
- Created
- Jun 30, 2026
- Last Updated (Store)
- Jun 30, 2026
- Last Scraped
- Jul 1, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- https://matthew-cantor.github.io/Promptera/privacy.html
Data sourced from the Chrome Web Store · last verified Jul 1, 2026.