Catalogus

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.

Read pasted text aloud with the browser speech engine on this device. Pro saves snippets, extra format options, and ExtHub sync.

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

Mute every other tab in this window, or unmute all tabs. Pro saves searches/presets and syncs via ExtHub.

Cap how many tabs can stay open per site (matches www/subdomains) and close extras. Pro saves searches/presets and syncs via ExtHub.

Schedule URLs to open automatically on an hourly or daily basis. Pro saves presets, history, and ExtHub sync.

Pick two elements and compare their key computed CSS styles side by side. Pro saves snippets, extra format options, and ExtHub sync.

Auto-show a colored staging/production/local ribbon from hostname rules. Pro remembers sites, saved presets, and ExtHub sync.

Save non-secret default values per site and field, then fill them with one click. Pro saves reports, export, and ExtHub sync.

Track daily habits and streaks with a simple local checklist. Pro saves presets, history, and ExtHub sync.

Click any element to hide it permanently on that site, with an undo list per host. Pro saves presets, history, and ExtHub sync.

Query pasted JSON with simple JSONPath-style paths and copy the matches. Pro saves snippets, extra format options, and ExtHub sync.

A simple local Todo / Doing / Done board with no account required. Pro saves presets, history, and ExtHub sync.

Generate lorem ipsum paragraphs and placeholder names, emails, and phone numbers. Pro saves snippets, extra format options, and E...

Generate likely email address patterns from a name and domain, fully offline. Pro saves presets, history, and ExtHub sync.

Convert selected page content to Markdown locally and copy the result. Pro saves snippets, extra format options, and ExtHub sync.

Automatically mute tabs whose hostname matches your saved list. Pro saves searches/presets and syncs via ExtHub.

Save reusable text snippets with trigger shortcuts, search, folders, and one-click copy. Pro saves snippets, extra format options...

Add RSS/Atom feed URLs and read the latest items, fetched directly with no server. Pro saves presets, history, and ExtHub sync.

Capture the visible tab as PNG with device-style preset filenames. Pro remembers sites, saved presets, and ExtHub sync.