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Prompt Optimizer - SecondBrain icon

Prompt Optimizer - SecondBrain

Prompt Optimizer: Stop Rewriting. Optimize prompts in one click across major AI chatbots.

Users100KCurrent public install base
Rating3.9Store average score
Reviews187Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
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Prompt Optimizer - SecondBrain Media preview

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User Growth Over Time

100K100K100K100K100K2026年7月17日2026年7月20日2026年7月23日Latest: 100K
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3.86
Latest
3.86
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3.763.813.863.913.962026年7月17日2026年7月20日2026年7月23日Latest: 3.86
2026年7月17日2026年7月23日
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Technical snapshot

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Version2.0.0
ManifestV3
Size109KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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SecondBrain: The Prompt Optimizer That Refines, Explains, and Saves Your Best Work

Stop wrestling with AI to get the output you need. You write an instruction, the chatbot misinterprets it, and you waste ten minutes iterating. SecondBrain is a transparent prompt optimizer built specifically for everyday AI users. We clarify your intent, tighten your wording, and show you exactly what changed. Once you secure the perfect result, you can instantly build a library of repeatable requests.

Try it with the next prompt you were about to rewrite manually.

WHAT DOES SECONDBRAIN DO?

SecondBrain is a Chrome extension that functions as a transparent prompt optimizer. It refines your rough AI instructions into precise, highly effective prompts by cutting fluff and clarifying your core intent. Once you achieve the perfect output, you can save and bookmark prompts directly in your browser for fast retrieval on repeatable tasks.

How This Prompt Optimizer Transforms Your Workflow

Reviews

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Store average score3.9Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.8Average computed only from synced review bodies below
Reviews with text164Synced review bodies
Total ratings / reviews187Chrome Web Store public rating/review count

Store average score: 3.9. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

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31
Ibu Peter2026年5月18日
5

This extension makes prompt writing much easier and noticeably improves the quality of AI responses in just one click.

Version 2.1.0Language en
Kabir vetiran2026年5月15日
5

simple extension but saves a lot of time when writing prompts for ai tools

Version 2.1.0Language en
Adam Shrum2026年5月12日
5

clean ui and the prompt optimization is surprisingly solid for a chrome extension

Version 2.1.0Language en
Leemah Ebookish2026年5月12日
5

nice tool for beginners that don’t really know prompt engineering yet

Version 2.1.0Language en
Kola Wole2026年5月7日
5

one click and the prompts instantly become clearer and more detailed

Version 2.1.0Language en
Jan Mládek2026年5月5日
1

Z ničeho nic, změna z Gemini na nějaký "Prompt Optimiser" Bez varování... Rozlišení ani nestahujte, nemá to cenu. Cítím se zneužit, rozšíření které fungovalo, se náhle změní na úplně něco jiného.

Version 2.1.0Language cs
Joy Jerry2026年4月21日
5

works exactly as described no issues

Version 2.0.0Language en
Elizabeth Justin2026年4月19日
5

useful extension for better outputs

Version 2.0.0Language en
Favour Mercy2026年4月19日
5

i like how fast it optimize my text

Version 2.0.0Language en
Afuwape Kehinde2026年4月19日
5

makes my prompts more structured

Version 2.0.0Language en