All extensions

Striking Elegance of a Luxury Sports Car on. Chrome theme featuring luxury vehicle and automotive design.

Structurus

Page structure navigator: jump to headings, landmarks, forms, code, tables — and recent in-page locations

StudyFlow

Helps Users Study better with the help of Artificial Intelligence

4.83

StudyFlow AI

Turn any PDF, video, or webpage into quizzes, flashcards, and summaries in seconds.

Study Focus

Locks you to Formative/STEMSCOPE tabs until assignment is finished.

StudyStamp

Privacy-first YouTube study companion: timestamped revision notes and a focus timer. Notes stay on your device.

Stunning Blue Eyes of a Furry Companion

Stunning Blue Eyes of a Furry Companion. Chrome theme featuring cat and whiskers.

Stunning Gray Sports Car Rests By a Vibrant

Stunning Gray Sports Car Rests By a Vibrant. Chrome theme featuring autumn and foliage.

Stunning Red Sports Car Shines in Rainy

Stunning Red Sports Car Shines in Rainy. Chrome theme featuring urban scene and nighttime.

Styled English Name Creator

Styled English Name Creator: English-style names

Stylegrab — Inspect & Copy CSS

🧑‍💻 Developer Tools

Hover any element to see its clean CSS, fonts and colors. Copy CSS in one click. No tracking, no injected ads.

Stylish Silver Convertible Car in Autumn

Stylish Silver Convertible Car in Autumn. Chrome theme featuring leaves and nature.

Stylish White Car Shines in Urban Setting

Stylish White Car Shines in Urban Setting. Chrome theme featuring stylish design and blue wheels.

SubChat Prime: Highlight to Ask AI

Floating AI assistant for any webpage. Chat seamlessly using your logged-in Claude or ChatGPT sessions. Zero API keys needed.

Subnet Calculator

Simple IP subnet calculator

Subscription Organizer for Substack

Sort your Substack subscriptions into folders and pin the ones you read most.

Subscription Timeline

Manage monthly subscription service costs on a timeline

Substack Arabic — RTL and Arabic tools

Fixes right-to-left Arabic on Substack: posts, editor, Notes and comments, plus a Quran verse inserter and Arabic search.

Subtitle Focus – Easy-Read Captions

Bolds the start of each word in video subtitles so they're easier to follow. Runs in your browser; no data collected.

Subtitle translation

Translates streaming subtitles (Disney+, Netflix, Prime Video) and shows two languages. Requires your DeepL API key.

SubTrack - Subscription Tracker

Find your recurring subscriptions from email receipts and see what they cost you each month.

Sudoku Kandidater – Politiken

Udfylder automatisk alle mulige kandidater (småtal) i sudoku, samurai og titan på politiken.dk.

Sudoku Letters

Display letters A–I instead of numbers 1–9 on the NYT Sudoku puzzle.

Suffolk Libraries printing Lowestoft

Link to print