效率

Multi-city world clock with a saved watchlist, meeting-time conversion, and a live toolbar badge. Pro saves presets, history, and...

Clear selected browsing data from this profile with one confirmation. Pro saves presets, history, and ExtHub sync.

Apply a clean print view on the current page and print locally. Pro remembers sites, saved presets, and ExtHub sync.

Save and restore scroll position per page URL on this device. Pro saves presets, history, and ExtHub sync.

Periodic break reminders using alarms, notifications, and toolbar badge. Pro saves presets, history, and ExtHub sync.

Simple keyboard-friendly calculator in a popup. Pro saves presets, history, and ExtHub sync.

Convert text between common case styles in one click. Pro saves snippets, extra format options, and ExtHub sync.

Track multiple target dates with live days/hours/mins/secs, presets, and a toolbar badge. Pro saves presets, history, and ExtHub...

Split hostnames into eTLD+1, flag lookalikes and Punycode, keep a local trust list, and show an optional page banner. Pro saves p...

Stopwatch with lap times. Runs while the popup is open. Pro saves presets, history, and ExtHub sync.

Reading progress bar with percent, milestones, colors, top/bottom placement, and per-site control. Pro saves presets, history, an...

Hover images on a page to see natural and displayed dimensions. Pro remembers this site, presets, and ExtHub sync.

Convert text to a clean URL slug and copy it instantly. Pro saves snippets, extra format options, and ExtHub sync.

Responsive viewport frames on the page — device presets, custom size, breakpoint guides, and saved frames. Pro remembers sites, s...

Explain a classic 5-field cron expression in plain language. Pro saves presets, history, and ExtHub sync.

Encode and decode common HTML entities locally. Pro saves snippets, extra format options, and ExtHub sync.

Convert Unix timestamps to dates and back locally. Pro saves presets, history, and ExtHub sync.

Dim the page around a movable reading spotlight band. Pro saves presets, history, and ExtHub sync.

Collect unique http(s) links from the current page for copy and filter. Pro saves reports, export, and ExtHub sync.

Convert integers between binary, octal, decimal, and hex locally. Pro saves presets, history, and ExtHub sync.

Calculate percentages, ratios, and percent change locally. Pro saves presets, history, and ExtHub sync.

Pick a random list item, flip a coin, or roll a six-sided die locally. Pro saves snippets, extra format options, and ExtHub sync.

Simplify aspect ratios and scale dimensions locally. Pro saves presets, history, and ExtHub sync.

Strip HTML tags from pasted markup and keep plain text locally. Pro saves snippets, extra format options, and ExtHub sync.