About pinwisp
pinwisp is the home of a small set of free Chrome extensions. Each one does a single job and stays out of the way until you need it.
How we build extensions
- One job per extension. If a feature belongs to an existing extension, it goes there instead of into a new one.
- The fewest permissions that make the feature work. Every extension page lists each permission and the reason for it.
- Your data stays in your browser unless the feature itself needs a network request, and the privacy policy says exactly which one.
Extensions
- AI Typer — AI Typer writes a draft from your request in a Chrome side panel, lets you edit it, and then types it into your open Google Doc at a speed you set.
- Pixel Ruler — Pixel Ruler draws a ruler over the page you are viewing, so you can drag between two points or hover an element and read its size in CSS pixels.
- Python Runner — Python Runner keeps a CPython interpreter inside the extension, so you can paste a script, press Run and read the output without installing Python.
- SQLite Explorer — SQLite Explorer opens a database file in a browser tab, lists its tables and lets you filter, sort and export rows without writing SQL.
- Token Counter — Token Counter for Claude shows how much of your session and weekly limit is used and when each one resets, from the toolbar or a bar under the chat.
Contact
Write to support@pinwisp.com about any extension on this site: a bug, a question about a permission or something a page does not explain. Each privacy policy also names its own contact.