backstab

Bury latent information to your web page for confidentiality and track.

If someone leak data by screenshots, you can reveal identity information from the picture.

install

$ npm install backstab --save

usage

import Backstab from 'backstab'

new Backstab({
  content: 'the text you want to bury',
  container: document.body
})

config

content: string, default is ''
container: HTMLElement, the container DOM to store watermarks. default is document.body
style: object, custom watermark style
- gridHeight: number, grid height, default is 60
- gridWidth: number, grid width, default is 150
- fontSize: number, font size, default is 20
- opacity: number, opacity, default is 0.5, recommmend 0.005
- rotate: number, rotate deg, default is -15

reveal

This is a screenshot with 0.005 opacity buried information. Open it with PhotoShop, add new pure black upper layer, use hard mix blending mode to show the text.

license