node-captcha-generator

node-captcha

node-captcha is a captcha generator write in pure js, thanks to oliver-moran.

node-captcha generate only numeric captcha, it use MNIST database to generate random number combination.

Example usage:

    let Captcha = require('node-captcha-generator');

    var c = new Captcha({
        length:5, // number length
        size:{    // output size
            width: 450,
            height: 200
        }
    });

    c.save('dirPath/to/save', function(err){

    });

    // get base64 image as string
    c.toBase64(function(err, base64){

    });

    // string value of captcha
    c.value;

    // jimp object  more info https://github.com/oliver-moran/jimp
    c.captcha;

    c.captcha.write('filePath/to/save', function(err){
    });

results

39314

47612

3406072

4803633

todo

• add colors options
• add more randomize options
• switch to alphanumeric captcha