Builder Wrench — Free Browser Extensions, Games and Web Tools

Free browser extensions, games and web tools

Thousands of people use our free apps and play our games.

Browser Extensions

Free

Stock Health Score

Shows Stock Health Score for the stock page you have open: one number from 0 to 100, read from SEC filings.
Free

No Pause Playback Free

Prevents websites from pausing audio/video when you switch tabs. You choose which sites to enable.

1,400+ users5 stars

Free

AI Readiness Inspector

One-click AI readiness score for any webpage. Letter grade plus fix suggestions.
Free

Copy as Markdown

Select text. Press Ctrl+C. Get clean Markdown.

Games

MysterySolve

Free to Play
Solve mystery stories by asking yes/no questions. Read the beginning and ending, then figure out the hidden middle.
WebPlay

AI Standards Tools

Guides