カタログ

Generate UUID v4, ULID-like, and Nano-like identifiers in bulk with local history. Pro saves snippets, extra format options, and...

Simulate protanopia, deuteranopia, tritanopia, and achromatopsia on the active page. Pro remembers sites, saved presets, and ExtH...

Clean up text: trim, collapse spaces, dedupe, sort, and remove empty lines. Pro saves snippets, extra format options, and ExtHub...

Estimate readability, sentence length, and passive-ish phrasing on selected or pasted text. Pro saves snippets, extra format opti...

現在の記事のローカルリーダー。無料：サイズ、紙、セピア。Pro：夜間、記憶、メモ、ExtHub 同期。

Pick and scan page elements into JSON, CSV, or TSV. Free: site pause, link/heading/image recipes, harvest log. Pro: tables, emails, meta, ExtHub sync.

New tab board: clock, dated tasks, links, notes, search. Free stays local. Pro syncs the board via ExtHub.

Block distracting sites with a local list. Pause, this site. Free stays local. Pro syncs lists via ExtHub.

Find, filter, and download page images. Pause all. Free stays local. Pro syncs reports via ExtHub.

Strip tracking from URLs and page links. Free: pause, presets, rinse log. Pro: ExtHub sync and extra recipes.

Boost HTML5 audio and video locally. Pro remembers gain/mute per site, presets, skip list, and syncs via ExtHub.

Per-site page tint with brightness, contrast, and warmth. Free: pause, presets, looks. Pro: ExtHub sync.

Capture a viewport or full page as PNG or JPEG. Free: delay, hide sticky, restore presets. Pro: ExtHub sync.

Custom CSS, hide elements, and presets per site. Free: pause, pick-to-hide, restore looks. Pro: ExtHub sync and extra presets.

Overlay a design PNG on the page. Opacity, lock, nudge. Free stays local. Pro syncs recipes via ExtHub.

Speed, skip, mute, and picture-in-picture for page videos. Free: site pause, overlay bar, speed log. Pro: loop, ExtHub sync, extra skips.

Expand private text shortcuts in any editable field. Free: pause, search, Space/Enter. Pro: ExtHub sync.

Block ads and trackers with local rules. Pause a site. Free stays local. Pro syncs allowlists via ExtHub.

現在のページをローカルで技術スキャン。無料: 検出、絞り込み、コピー。Pro: レポート保存と ExtHub 同期。

Hover to inspect computed CSS, click to copy. Free: formats, last copies, selector. Pro: ExtHub sync.

Save and restore tab sessions. Free: window/all, filter, copy URLs, new window. Pro: ExtHub sync.

One-click block on Threads. Free: × on posts, undo, local log. Pro: ExtHub sync, hide, skip list, 30-second undo.

Inspect fonts on the page: family, size, weight. Copy CSS. Free stays local. Pro syncs samples via ExtHub.

On-page developer tools: colors, SEO, ruler, cookies, JSON. Free stays local. Pro syncs reports and palette via ExtHub.