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BUILD · CATEGORY

Browser Extensions projects to build

5 guided browser extensions builds, from quick tools to complete products. Pick one and build it from concept to a deployed application.

3 Beginner2 IntermediateBrowser extension

Stack

TypeScript · WebExtensions API · IndexedDB · Chrome Web Store

Before you start

HTML, CSS and JavaScript basics.

Improvement challenge

Ship to Chrome and Firefox from one codebase with minimal permissions.

ALL BROWSER EXTENSIONS PRODUCTS

Every browser extensions build in one place.

Filter by format, level, stage and stack, or switch category to see other products.

5 products
Tech, Junior

Tab manager

What you build
Group, save and restore browser tabs and sessions.
Prerequisites
HTML, CSS and JavaScript basics.
Stack
TypeScript · WebExtensions API · IndexedDB
  • Tab groups
  • Saved sessions
  • Search tabs
  • Keyboard shortcuts
Final deliverableA working tab manager with tab groups, saved sessions, search tabs and keyboard shortcuts, deployed as an MVP.
Beginner4 modulesBrowser extension
From₹490₹99051% off· 10 hours
Tech, Junior

Writing assistant

What you build
Improve tone, grammar and clarity in any text box with AI.
Prerequisites
HTML, CSS and JavaScript basics.
Stack
TypeScript · WebExtensions API · IndexedDB
  • Text field detection
  • AI suggestions
  • Tone presets
  • Privacy settings
Final deliverableA working writing assistant with text field detection, AI suggestions, tone presets and privacy settings, tested and deployed to production.
Intermediate4 modulesBrowser extension
From₹588₹1,18851% off· 12 hours
Tech, Junior

Screenshot annotation

What you build
Capture, annotate and share screenshots straight from the browser.
Prerequisites
HTML, CSS and JavaScript basics.
Stack
TypeScript · WebExtensions API · IndexedDB
  • Capture area
  • Annotation tools
  • Blur & redact
  • Share link
Final deliverableA working screenshot annotation with capture area, annotation tools, blur & redact and share link, deployed as an MVP.
Beginner4 modulesBrowser extension
From₹490₹99051% off· 10 hours
Tech, Junior

Developer productivity extension

What you build
Inspect JSON, decode tokens and switch environments without leaving the page.
Prerequisites
HTML, CSS and JavaScript basics.
Stack
TypeScript · WebExtensions API · IndexedDB
  • JSON viewer
  • Token decoder
  • Environment switcher
  • Shortcuts
Final deliverableA working developer productivity extension with JSON viewer, token decoder, environment switcher and shortcuts, tested and deployed to production.
Intermediate4 modulesBrowser extension
From₹490₹99051% off· 10 hours
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