21 articles found
Build a Chrome new tab override with chrome_url_overrides and topSites: instant-paint dashboard, local favicons, optional history strip, and a real opt-out.
Build a chrome extension badge with chrome.action in MV3: per-tab badge text, a code-drawn icon, and state that survives worker teardown. Hands-on tutorial.
Build an MV3 popup with the Chrome bookmarks API: flatten the whole bookmark tree, search it live as you type, and de-duplicate URLs behind a safe preview step.
Build chrome extension keyboard shortcuts into an MV3 manifest: declare commands, handle chrome.commands.onCommand, go global, and survive the 4-key cap.
Build an MV3 extension whose settings follow the user to every device — chrome.storage.sync quotas, onChanged, and the sync vs local split, with full code.
Build a Chrome extension whose notification buttons still work minutes later, after the MV3 service worker died. Full runnable code and the lifecycle rules.
Build a Chrome extension context menu with selected text, saved links and a popup. Get full MV3 code, real screenshots and fixes for missing or duplicate menus.
Localize a Chrome extension with chrome.i18n, _locales and __MSG_. Follow a runnable MV3 example with plural forms, RTL layouts and fixes for missing messages.
Use Chrome omnibox and activeTab to highlight or count text on the current page. Follow runnable MV3 code and troubleshoot script injection without host access.
Build a Chrome extension omnibox command palette with one keyword, live suggestions and saved shortcuts. Get full MV3 code with no install permission warnings.
Use the Chrome cookies API in Manifest V3 to read, edit and watch cookies. Fix empty getAll results, host permissions and duplicate cookies with runnable code.
Build a Chrome privacy API panel that checks levelOfControl before changing settings. Add optional permissions and browsing-data controls with full MV3 code.
A service worker can't hold a MediaStream. Build a Chrome extension that records the current tab's video and audio with chrome.tabCapture — full code, ~30 min.
A hands-on Manifest V3 tutorial: use the chrome.management API and Chrome's own permission warnings to audit every extension installed. Full runnable code.
Your content script runs once on YouTube and never again. Fix Chrome extension SPA navigation with webNavigation — or without a new permission. Full MV3 code.
chrome.scripting.executeScript end to end: inject on click with activeTab, pass args safely, and choose ISOLATED or MAIN world. Full MV3 code, ~25 min.
Chrome extension optional permissions, end to end: install with no warning, then request topSites and a single host at runtime. Full MV3 code, ~25 minutes.
Build a Manifest V3 Chrome extension that blocks trackers and strips tracking parameters with declarativeNetRequest — full runnable code, ~30 minutes.
MV3 service workers have no DOM. Build a Chrome extension that parses HTML and writes to the clipboard from an offscreen document — runnable code, ~25 min.
MV3 kills setInterval. Build a Chrome extension background job with chrome.alarms that survives service worker termination — full runnable code, ~20 min.
A hands-on Manifest V3 tutorial: build a Chrome extension side panel that persists across tabs, then make it per-site. Full runnable code, ~25 minutes.