{ "title":"Base64 encoding and decoding", "description":"Utility functions for of encoding and decoding strings to and from base 64: window.atob() and window.btoa().", "spec":"https://html.spec.whatwg.org/multipage/webappapis.html#atob", "status":"ls", "links":[ { "url":"https://developer.mozilla.org/en-US/docs/Web/API/Window.btoa", "title":"MDN article on btoa()" }, { "url":"https://developer.mozilla.org/en-US/docs/Web/API/Window.atob", "title":"MDN article on atob()" }, { "url":"https://github.com/davidchambers/Base64.js", "title":"Polyfill" } ], "bugs":[ { "description":"To avoid \"Character out of range\" exceptions on Unicode strings, [this workaround](http://stackoverflow.com/questions/30106476/using-javascripts-atob-to-decode-base64-doesnt-properly-decode-utf-8-strings) is necessary" } ], "categories":[ "JS API" ], "stats":{ "ie":{ "5.5":"n", "6":"n", "7":"n", "8":"n", "9":"n", "10":"y", "11":"y" }, "edge":{ "12":"y", "13":"y", "14":"y" }, "firefox":{ "2":"y", "3":"y", "3.5":"y", "3.6":"y", "4":"y", "5":"y", "6":"y", "7":"y", "8":"y", "9":"y", "10":"y", "11":"y", "12":"y", "13":"y", "14":"y", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y" }, "chrome":{ "4":"y", "5":"y", "6":"y", "7":"y", "8":"y", "9":"y", "10":"y", "11":"y", "12":"y", "13":"y", "14":"y", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y", "44":"y", "45":"y", "46":"y", "47":"y", "48":"y", "49":"y", "50":"y", "51":"y", "52":"y", "53":"y", "54":"y", "55":"y", "56":"y", "57":"y" }, "safari":{ "3.1":"y", "3.2":"y", "4":"y", "5":"y", "5.1":"y", "6":"y", "6.1":"y", "7":"y", "7.1":"y", "8":"y", "9":"y", "9.1":"y", "10":"y", "TP":"y" }, "opera":{ "9":"n", "9.5-9.6":"n", "10.0-10.1":"n", "10.5":"u", "10.6":"y", "11":"y", "11.1":"y", "11.5":"y", "11.6":"y", "12":"y", "12.1":"y", "15":"y", "16":"y", "17":"y", "18":"y", "19":"y", "20":"y", "21":"y", "22":"y", "23":"y", "24":"y", "25":"y", "26":"y", "27":"y", "28":"y", "29":"y", "30":"y", "31":"y", "32":"y", "33":"y", "34":"y", "35":"y", "36":"y", "37":"y", "38":"y", "39":"y", "40":"y", "41":"y", "42":"y", "43":"y" }, "ios_saf":{ "3.2":"y", "4.0-4.1":"y", "4.2-4.3":"y", "5.0-5.1":"y", "6.0-6.1":"y", "7.0-7.1":"y", "8":"y", "8.1-8.4":"y", "9.0-9.2":"y", "9.3":"y", "10-10.1":"y" }, "op_mini":{ "all":"y" }, "android":{ "2.1":"y", "2.2":"y", "2.3":"y", "3":"y", "4":"y", "4.1":"y", "4.2-4.3":"y", "4.4":"y", "4.4.3-4.4.4":"y", "53":"y" }, "bb":{ "7":"y", "10":"y" }, "op_mob":{ "10":"u", "11":"y", "11.1":"y", "11.5":"y", "12":"y", "12.1":"y", "37":"y" }, "and_chr":{ "54":"y" }, "and_ff":{ "50":"y" }, "ie_mob":{ "10":"y", "11":"y" }, "and_uc":{ "11":"y" }, "samsung":{ "4":"y" } }, "notes":"", "notes_by_num":{ }, "usage_perc_y":97.38, "usage_perc_a":0, "ucprefix":false, "parent":"", "keywords":"atob,btoa", "ie_id":"", "chrome_id":"", "firefox_id":"", "webkit_id":"", "shown":true }