Build .ics calendar event files with summary, dates, location, and description — import anywhere. Send invites that land in every calendar app — free, local download.
Content reviewed October 2026 · About Toolzum
Turn a CSV of URLs or text into styled QR PNGs in one batch — event badges, inventory labels, menus. Free tier generates 5 QR a day; Pro runs up to 100 per batch — local qrcode work.
Sort lines alphabetically (A→Z, Z→A), reverse order, shuffle randomly, or remove duplicate lines. A–Z, Z–A, reverse, shuffle, and dedupe modes cover every ordering chore — local processing, free, no signup.
Convert Unix timestamps to human-readable dates and back. Shows UTC, ISO 8601, locale, date, and time formats. Milliseconds, seconds, and ISO 8601 convert both directions with timezone clarity — local math, free, no signup.
Build professional HTML email signatures with photo, links, and contact details. Sign every mail like a company — local generation, free, copy-paste.
Build link-in-bio pages with profile, links, and icons — your Instagram exit ramp. Route followers anywhere in one link — local building, free, no signup.
Google Calendar, Apple Calendar, and Outlook all import .ics natively — one file covers every guest regardless of their app.
Summary, start/end with timezone, location, and description with the meeting link. Timezone-correct entries prevent the classic 3am-invite bug.
Single events export cleanly; complex recurrence rules vary by importer — send one file per occurrence for critical meetings.
No — file building runs locally in your browser. Only the .ics download touches disk.
DTSTART:20260720T100000 — floating local time with no zone suffix. Only DTSTAMP is UTC (...Z, stamped at generation); VERSION:2.0 and PRODID:-//ToolHub//EN are fixed, and empty description/location lines are omitted.
ICS ↔ CSV Converter
Convert calendar ICS files to CSV rows — audit events in spreadsheets. Turn a year of meetings into data — local parsing, unlimited saves.
World Clock
See live times across world time zones with DST handling — schedule global meetings right. Know Tokyo time before calling — free, local, no signup.