Productivity

QR codes, barcodes, invoices, passwords, unit conversion and calculators for the things an office actually needs.

9 tools · 9 run entirely in your browser

QR codes for links, wifi, contact cards and plain text, exported as PNG or SVG.

Fill in line items, watch the invoice typeset itself, print it to PDF.

Exact age in years, months and days, plus the gap between any two dates.

Scannable CODE128, EAN-13, UPC-A, CODE39 and ITF-14, exported as SVG or PNG.

Length, weight, area, volume, data and speed — including regional land and gold units.

Six everyday calculations including tax added or removed at a rate you set.

Cryptographically random strings or passphrases, with real entropy shown in bits.

Fill a form, watch the page typeset itself, print to PDF. One layout is ATS-safe.

Open an XRechnung, ZUGFeRD or Peppol invoice and read it as an ordinary invoice.

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