QuickSheet extension: live currency conversion — 200+ currencies via ECB rates. No API key. fx: 1000, USD, EUR

Multi-timezone world clock for QuickSheet — your team's timezones at a glance

QuickSheet extension: stock ticker quotes via Stooq — free, no API key

QuickSheet extension: HTTP service health grid — green/yellow/red dots for homelab dashboards

Fixed-rate mortgage payment calculator for QuickSheet

QuickSheet extension: countdown timer to important dates with progress bars

⚠️ Duplicate — canonical repo is Deskworks/quicksheet-price-ext

QuickSheet extension: JWT decoder — tokens never leave your machine. Privacy-first alternative to jwt.io.

QuickSheet extension: Maven Central package lookup — version, downloads, license, description

QuickSheet extension: network route tracer with per-hop RTT stats and packet loss (like mtr/traceroute)

QuickSheet extension: cron expression parser — human-readable schedule descriptions

Budget envelope visualizer for QuickSheet track spending with visual progress bars on your desktop

IRS standard-mileage deduction calculator for QuickSheet (business/medical/charity rates, 2021-2025). Pure math, zero deps.

Fixed-rate mortgage payment calculator for QuickSheet — no API key, pure amortization math

QuickSheet extension — PubMed article lookup by PMID or keyword search. Title, authors, journal, year, DOI on your desktop.

QuickSheet extension: color code converter and palette generator. Convert hex↔RGB↔HSL↔CSS named colors on your desktop wallpaper.

Base64 encode/decode on your QuickSheet spreadsheet auto-detect, explicit modes, multi-line output

QuickSheet extension: WHOIS domain and IP lookup — registrar, status, expiry, nameservers