All extensions

Identify any web font, copy its CSS, preview font swaps live, build a type scale, and save fonts to your own library.

Sturdx Outdoor Cabinet Explorer

Interactive futuristic explorer for outdoor network cabinets.

Sturdx Surveillance Shield Scanner

A futuristic surveillance protection guide for understanding outdoor security camera enclosure systems.

StyleInspect - CSS, Color Picker & Font Inspector

All-in-one web designer tool: inspect CSS styles, pick HEX/RGB colors with eyedropper, identify web fonts, and copy code in 1 click.

Style Inspector

Inspects DOM elements for hardcoded CSS values and highlights them

StylENV

Style specific environments

StyleSift - Local Design Token Extractor

Extract colors, fonts, spacing and CSS variables from the active page. Save local style guides and export CSS/JSON.

Style Weaver

Style Weaver: Apply custom CSS to websites.

SummitUp

Sum it up: select a passage for a sketch, or a term for a plain-English definition.

supapen

The AI copilot for CodePen.

SuperClaude

Artifact file manager, git-style diffs, prompt library, and token tracker for Claude

Superior Bookmarker

Superior Bookmarker will allow you to bookmark and manage your bookmarks. This is the most easiest bookmarker tool

Superpower Tab

Transform your new tab with stunning 3D animated backgrounds, customizable shortcuts, a beautiful clock, and floating sticky notes.

Surge Download Manager

High-performance download acceleration. Intercepts and routes browser downloads to Surge's multi-connection engine.

5.0

SVG Color Swapper

Easily detect, change, and export SVG colors from any webpage.

SVG Snag

Snag all SVGs from any page. Preview, copy code, and download individually or as ZIP.

SVG to Image

Convert SVG files to PNG or JPG. Developer: Brand Zappy LLC (https://www.brandzappy.com). License: MIT.

Swatchly

Extract, save, and apply color palettes and fonts across any website. Built for web designers.

Swift A11y

Scan a page for accessibility problems and run fifteen testing tools, right beside it. Nothing leaves your browser.

SwiftCareID: Secure ID Generator (NHS Format)

Developer utility for generating synthetic medical identifiers (NHS format) for testing.

SwitchBack

Redirect requests by replacing a string in the URL (e.g. send website.com to localhost:2000).

Swub - Subdomain Switcher

Simple subdomain switcher extension for web developers. Quickly switch between development, staging, and production environments.

SynapseWeb — Semantic Browser Agent

Converts live web UI into an LLM-native semantic state protocol with an autonomous multi-tab tool-calling agent loop.

5.0

SyncBooking Automation

Sync bookings, check-in messages and city tax between Booking.com, Airbnb, VRBO and SyncBooking.