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Extra tools

View, zip and verify files, create QR codes and passwords, practise stock trading and play with physics.

Files

Viewer View files right in your browser: drawings (DWG, DXF), PDF and Office documents, photos, video and complete 3D models — from STL and OBJ to IFC and STEP. Without an account nothing is uploaded; when signed in, what you open is kept in My files. Open →

Unzip files

Or pick single files

Create ZIP file

Files and folders

Checksum (SHA-256, MD5)

SHA-256, MD5 and more

Utilities

QR code generator

Link, wifi or payment QR

QR code reader

From a photo or screenshot

Password generator

Strong and random

Practise stock trading

Stock market, play money

2D physics sandbox

2D playground

Falling sand (sandbox)

Sandbox playground