Catalogus

Capture a page region as PNG or JPEG — aspect locks, delay, size readout, download or copy.

Pick page colors with EyeDropper or click sampling — HEX/RGB/HSL, contrast, history, tints.

Save tabs to a local read-later stack with tags, notes, search, and a done archive.

Local markdown pads with live preview, snippets, word count, and .md export.

Preview Open Graph and Twitter cards, check meta lengths, and copy share metadata locally.

Map page headings, filter levels, spot outline gaps, and jump or copy a Markdown TOC.

Local notes per site or page — multiple pads, search, autosave, and export.

Focus pulses with work/break/long-break cycles, presets, session stats, and a live badge.

Stamp local QR codes for tab URLs, custom text, or Wi-Fi — size, colors, history, PNG export.

Auto-reload a chosen tab on a timer with presets, countdown, hard reload, and pulse limits.

Test, highlight, and replace with regex — recipes, flags, groups, and saved patterns locally.

Find idle tabs by last access, protect pinned/audio/domains, and sunset them safely.

Convert length, mass, temperature, volume, area, speed, data, and time with a live all-units board.

PIN-locked local password vault with search, generator, and encrypted backup on this device.

Measure words, characters, reading time, and keyword stats from selection, page, or a local pad.

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

Periodic break reminders using alarms, notifications, and toolbar badge.

Simple keyboard-friendly calculator in a popup.

Convert text between common case styles in one click.

Base64 and URL encode/decode tools in a simple textarea workspace.

Inspect, edit, filter, and export cookies for the current tab — locally in Chrome.

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

Compare two text blocks with a simple colored line diff.

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