MASK

Free tools

Small tools that do one thing well

27 free utilities for links, QR codes, campaigns and the everyday work around them. Most run entirely in your browser. A free MASK account unlocks the results, and MASK is where the ones worth keeping live.

Most used

27 tools shown

Images

Resize and prepare images without uploading them anywhere.

Files & data

Convert between the formats that spreadsheets and APIs speak.

The tools are free. MASK is where the results live.

A link you can re-point after sharing it. A QR code you can change once it is printed. A bio page that holds everything, on your own domain — with the numbers to show what people actually clicked.