Browser extension

Cuelara, inside every AI chat box

Optimize, build, compress, format and debug prompts right inside ChatGPT, Claude, Gemini and other AI chat boxes, and turn any website into a design prompt.

Get the extension

Download extension v1.3.1 (.zip)Chrome, Edge, Brave and other Chromium browsers

Install in 4 steps (Chrome, Edge, Brave)

Download the zip above and unzip it to a folder you'll keep (don't delete it afterwards).
Open chrome://extensions in a new tab (Edge: edge://extensions).
Turn on Developer mode (top-right switch).
Click Load unpacked and choose the unzipped folder. Then pin the extension from the puzzle-piece menu so its icon is easy to click.

Chrome may show a “developer mode extensions” notice when it starts — that's normal for extensions installed this way. To update later, download the new zip, replace the folder's files, and press the reload icon on the extension card.

How it works

Click into a chat box

A small Cuelara button appears on the AI sites you already use.

Pick a tool

Choose Optimize, Build, Compress, Format or Debug from the menu.

Your prompt is replaced

The improved version fills the box for you. Undo is one click away.

What’s inside

Optimize

Turn a rough request into a complete, structured prompt.

Build

Write a ready-to-paste prompt from a short idea.

Compress

Cut tokens from a wordy prompt without losing meaning.

Format

Reorganize a messy prompt into clean sections.

Debug

Find the gaps that make an AI fail, and fix them.

Site to Prompt

Measure any site's design and turn it into a prompt.

Privacy and control

When is my text sent, and where does it go?: Only when you pick a tool from the menu, and the first time the extension asks you to confirm. The text in that one box goes to Cuelara, which passes it to AI providers (such as Google, OpenAI, Anthropic, xAI, Groq and OpenRouter) to write the result. Results from the extension are not saved to your history. Cuelara never reads or sends what you type in the background, and it ignores password, payment and search fields.
What does Site to Prompt read?: Only when you press Analyse: the page’s colors, fonts, sizes and spacing, its title and a few headings. It never reads form fields, cookies or your browsing history. For a site you open from cuelara.com, the extension asks your permission first and drops that access when the analysis ends.
Does it see my password?: No. Connecting an account happens on cuelara.com. The extension receives a separate access token that only works for Cuelara’s tools, and you can disconnect any browser from your dashboard.
Which sites does it run on?: It starts on about 50 popular AI tools. On any other site it stays off until you click the Cuelara icon, and you can choose to always allow a site.
Can I turn it off for a site?: Yes. Use “Don’t show on this site” in the menu, or the switch in the popup. Blocking a domain also blocks its subdomains, and the choice follows your account to every browser you connect.
Do I need an account?: No. You get the free daily limits without one. Connect your account to use your plan’s limits and see your usage in the popup.