Extensions for lmsys.org

27 browser extensions built for lmsys.org. Compare features, permissions, and safety across Chrome, Firefox, and Edge.

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AI Chat Conversation History Search icon
Chrome Web StoreChrome Web Store

AI Chat Conversation History Search

Search your AI chat history locally across supported chat websites.

3.6(29)
Tools
Prompt Genius icon
Chrome Web StoreChrome Web Store

Prompt Genius

Supercharge your AI prompts with one click. Works on any AI platform.

No reviews
Developer
Memory Box icon
Chrome Web StoreChrome Web Store

Memory Box

Give every AI assistant Shared memory. Auto-capture chats, semantic search, prompt optimization, auto-redaction — stored locally.

5.0(13)
Tools
Tokenizer Live Token and Cost Monitor icon
Chrome Web StoreChrome Web Store

Tokenizer Live Token and Cost Monitor

Real-time token counts, costs & energy usage on ChatGPT, Claude, Gemini, Grok, DeepSeek + 25 more. Free, open source.

5.0(2)
Developer
tokenizer-token-cost-monitor icon
Microsoft Edge Add-onsFirefox Add-ons

tokenizer-token-cost-monitor

Real-time token counts, costs & energy usage on ChatGPT, Claude, Gemini, Grok, DeepSeek + 25 more. Free, open source.

Microsoft Edge Add-ons
Firefox Add-ons
2 wk
Web Development
AI Context Vault icon
Chrome Web StoreMicrosoft Edge Add-ons

AI Context Vault

Injects saved memory into AI chats 🧠. Bookmarks, context snippets, encrypted Gist sync. More tools coming soon 🚀

Chrome Web Store
Microsoft Edge Add-ons
Developer Tools
Aegis Personal icon
Chrome Web StoreChrome Web Store

Aegis Personal

Protect your privacy on AI chatbots. Auto-masks personal information before it reaches AI. 100% local.

5.0(6)
Make Chrome Yours
G
Chrome Web StoreChrome Web Store

Genie Prompt Optimizer

Get a professional AI prompt with a magical touch effortlessly✨!

No reviews
Tools
CleanMyPrompt - AI Privacy Firewall icon
Chrome Web StoreFirefox Add-ons

CleanMyPrompt - AI Privacy Firewall

Strip PII, API keys & secrets before pasting into ChatGPT, Claude, Gemini & 25+ AI tools. Auto-cleans on paste. 100% local — nothing leaves your browser.

Chrome Web Store5.0
Firefox Add-ons
Privacy & Security
Tokeny icon
Chrome Web StoreChrome Web Store

Tokeny

Live token counter for AI chat interfaces — with context rot warnings.

No reviews
Tools
AI Prompt Suggester icon
Chrome Web StoreChrome Web Store

AI Prompt Suggester

Get AI prompt suggestions for various chat platforms

5.0(1)
Productivity
AI思考スコア icon
Chrome Web StoreChrome Web Store

AI思考スコア

AIが思考中の時間をRPGのスコアゲームに。思考するたびにレベルが上がる、開発者のためのビジュアライザー。

No reviews
Tools
Be Mimos: AI Chat Export, Search & Backup icon
Chrome Web StoreChrome Web Store

Be Mimos: AI Chat Export, Search & Backup

Auto-save, export, search and curate your conversations across 33+ AI and creative platforms.

No reviews
Productivity
AI Prompt Refinement icon
Chrome Web StoreChrome Web Store

AI Prompt Refinement

Improve your AI prompts with one click.

No reviews
Tools
Umbrion AI Guardrails icon
Chrome Web StoreChrome Web Store

Umbrion AI Guardrails

Licensed AI monitor: real-time data exposure warnings, custom keywords, file alerts, redacted JSON export. Activates via license.

5.0(2)
Tools
Shadow AI Protector icon
Chrome Web StoreChrome Web Store

Shadow AI Protector

Détecte et anonymise vos données sensibles (emails, IBAN, mots de passe, IP, AD) sur 42+ plateformes IA.

No reviews
Tools
NorwAI Shield icon
Firefox Add-onsFirefox Add-ons

NorwAI Shield

Beskytter mot datalekkasjer til AI. Oppdager fødselsnummer, kredittkort, bankkonto og sensitiv data i sanntid.

No reviews
Privacy & Security
AI Prompt Suggester icon
Firefox Add-onsFirefox Add-ons

AI Prompt Suggester

No description

No reviews
Web Development
ÆGIS Extractor icon
Firefox Add-onsFirefox Add-ons

ÆGIS Extractor

No description

No reviews
Web Development
Kasbah Guard icon
Firefox Add-onsFirefox Add-ons

Kasbah Guard

Local-first guard that intercepts prompts and actions on AI chat services to prevent leaks and enforce user control.

No reviews
Social & Communication
NorwAI Shield icon
Chrome Web StoreChrome Web Store

NorwAI Shield

Beskytter mot datalekkasjer til AI. Oppdager fødselsnummer, kredittkort, bankkonto og sensitiv data i sanntid.

No reviews
Tools
OpsAI Shield icon
Chrome Web StoreChrome Web Store

OpsAI Shield

Detects and masks sensitive data before sending to AI tools. 100% local processing. No servers, no tracking.

No reviews
Tools
Inkpour icon
Firefox Add-onsFirefox Add-ons

Inkpour

Export AI chat conversations (ChatGPT, Claude, Gemini, Copilot, and more) to Markdown, PDF, HTML, DOCX or ZIP.

5.0(1)
Privacy & Security
Preempt AI - Security for AI Applications icon
Chrome Web StoreChrome Web Store

Preempt AI - Security for AI Applications

Security for AI applications with ML-powered threat detection. Protect your prompts before sharing with AI assistants.

No reviews
Developer