Office productivity

BriefInk

Signed-in users

A Markdown notebook with local persistence, import/export, and optional AI summaries.

ZIP files and folders online

Create ZIP archives, browse their contents and extract selected files locally, with folder paths and integrity checks.

Time zone converter and meeting planner

Compare dates and times across up to eight regions, handle daylight saving changes and download a calendar event.

QR code generator and image reader

Create QR codes for text, links, Wi-Fi and contacts. Download PNG or SVG, or read a code from an image without opening its link.

Excel and CSV cleaner

Choose a worksheet, keep the columns you need, remove blank or duplicate rows, and export CSV or XLSX while preserving displayed values as text.