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: GitHub Actions workflow status on your desktop wallpaper — no browser tab needed

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

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

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

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

QuickSheet extension: current weather conditions on your desktop via wttr.in (no API key)

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

Fixed-rate mortgage payment calculator for QuickSheet

QuickSheet extension: countdown timer to important dates with progress bars

QuickSheet extension — generate MD5, SHA1, SHA256, SHA512, CRC32 hashes from cell text or file paths. Instant checksums on your desktop.

IP geolocation, ISP, org, timezone lookup for QuickSheet. Free, no API key.

QuickSheet extension: PyPI package info — version, license, author, Python requirement

Live atmospheric CO₂ readings from NOAA Mauna Loa Observatory for QuickSheet

CVE vulnerability lookup (NIST NVD) extension for QuickSheet — severity, CVSS score, description, affected products right on your desktop

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)