Best Chrome Extensions for ChatGPT Users 2026
ChatGPT is powerful on its own. The right Chrome extensions make it significantly more capable — better prompts, smarter organisation, data protection, and tighter workflows. Here are the best Chrome extensions for serious ChatGPT users in 2026.
For Better Prompts
Prompt Power Pro — Word weighting and structured prompt engineering
Prompt Power Pro rewrites your rough prompts using word weighting methodology — identifying the highest-impact concepts in what you've described and adding semantic emphasis that gets consistently better results from AI image generators and language models. Three modes: word weighting, JSON output, and aspect ratio optimisation for image generation.
Unlike prompt libraries that give you someone else's prompt, Prompt Power Pro works with whatever you type. BYOK (bring your own OpenAI key) — your prompts go directly to OpenAI, nothing processed by a third party. One-time £7.99.
Best for: AI image generation (Midjourney, DALL-E, Stable Diffusion) and structured prompt engineering
AIPRM — Prompt library and templates
AIPRM provides access to a large community library of prompt templates for ChatGPT, organised by category. Useful for quickly accessing proven prompts for specific tasks — SEO copy, job descriptions, marketing — rather than building from scratch.
Best for: Business use cases with repeatable prompt types
For Data Protection
Mutant Data Safety Layer — Scan before you send
Mutant Data Safety Layer is a browser tool (not a Chrome extension, but designed to integrate into your workflow) that scans text for personal data before you paste it into ChatGPT. It identifies emails, NI numbers, bank details, phone numbers, postcodes, and named individuals, and replaces them with typed placeholders. Use it alongside ChatGPT to protect client and employee data.
Best for: Anyone using ChatGPT with business or personal data
For Organisation and Memory
ChatGPT Sidebar — Quick access across any tab
Adds a collapsible ChatGPT sidebar to any browser tab so you can ask questions without switching tabs. Useful when researching or writing without leaving your current page.
Superpower ChatGPT — Conversation management
Adds folders, search, pinned prompts, and export functionality to ChatGPT conversations. If you use ChatGPT heavily and struggle to find old conversations, this solves that problem.
For Productivity and Workflow
Tactiq — Meeting transcription and AI summaries
Transcribes Google Meet, Zoom, and Teams meetings and generates AI summaries. Integrates with ChatGPT to answer questions about the meeting content. Useful for anyone using AI to process meeting output.
Glasp — Web highlighting with AI
Highlights and saves web content, then lets you ask ChatGPT questions about what you've saved. Good for research workflows where you're reading across many sources and want to synthesise with AI.
Credit cost note: Extensions that use the ChatGPT API (rather than the web interface) consume your API credits. Prompt Power Pro uses your own OpenAI key and is highly credit-efficient — prompt rewriting costs fractions of a penny per prompt at current GPT-4o pricing.
What to Look for in a ChatGPT Extension
- Data handling: Does the extension send your prompts or conversations to a third-party server? Check the privacy policy before installing.
- Permissions: Extensions that request access to all websites should be scrutinised — they can read everything you type and everything on every page you visit.
- BYOK vs shared API key: BYOK extensions use your own OpenAI key and give you full control. Extensions with a shared key introduce a third party into your workflow.
Frequently Asked Questions
Are Chrome extensions for ChatGPT safe to use?
It depends on the extension. Any extension that requests broad site access can read your ChatGPT conversations and everything else you type in your browser. Stick to extensions with clear privacy policies, minimal permissions, and strong reputations. BYOK extensions that use your own OpenAI key are generally safer than those that route prompts through a shared key.
Do ChatGPT Chrome extensions work with GPT-4?
Extensions that work via the ChatGPT web interface work with whatever model you have access to (GPT-4o on Plus and above). Extensions that use the OpenAI API directly can be configured to use specific models.
Is Prompt Power Pro a Chrome extension?
Yes. Prompt Power Pro is a Chrome extension available on the Chrome Web Store. It uses your own OpenAI API key, so your prompts go directly to OpenAI rather than through a third-party server.