Crystal

by Al Brown · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

A private, on-device AI chat panel for Chrome. Runs Qwen3.5 entirely in the browser via WebGPU.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#310K

#250K among extensions

Version

0.3.3

updated 1 Jun 2026

Users

monthly, 5 months

Latest, 17 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months

Latest, 17 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Crystal

Crystal is a private, on-device AI chat side panel. A multimodal language model runs entirely in the browser via WebGPU, so prompts and responses never leave the device. Users can also right-click a page to send a screenshot, a selected region, or the page's text into the chat.