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1.1.0 • Public • Published

Base64 Info

The base64-info npm package is a lightweight and efficient utility that simplifies working with base64 encoded strings by providing convenient methods to extract crucial details. With this package, you can effortlessly determine the type, extension, and content of base64 strings, making it an essential tool for developers dealing with binary data conversions.

Key Features:

  • Type Detection: Easily identify the type of data represented by a base64 string, whether it's an image, audio, video, or other file formats.

  • Extension Inference: Automatically infer the file extension associated with the base64 content, ensuring accurate representation when decoding or processing the data.

  • Content Extraction: Retrieve the binary content from a base64 string, enabling seamless integration with various data manipulation workflows.

  • Efficient Performance: Designed for optimal performance, base64-info provides quick and reliable results, suitable for both small and large-scale applications.

Whether you're building applications that involve image uploading, multimedia handling, or file conversion, base64-info streamlines the process of working with base64 encoded data, allowing you to focus on delivering robust and feature-rich applications.


Using npm:

$ npm install @eternaljs/base64-info

Using yarn:

$ yarn add @eternaljs/base64-info


// JavaScript
const { getBase64Info } = require("@eternaljs/base64-info");

// TypeScript
import { getBase64Info } from "@eternaljs/base64-info";


These examples assume you're in node, or something similar:

const base64Details = getBase64Info(base64String);

// Log

// Output
    "name": "JPEG",
    "type": "image/jpeg",
    "sign": "/9j/4AAQSk",
    "extension": "jpeg",
    "content": "data:image/jpeg;base64",
    "category": "image",
    "base64": "/9j/4AAQSkZJRgABAQEASABIAAD"

Supported files extension

jpeg, jpg, png, jfif, gif, webp, xcf, bmp, cur, dds, exr, fts, hdr, ico, jpe, jps, mng, pam, pbm, pcd, pcx, pgm, picon, pict, pnm, ppm, psd, ras, sgi, svg, tga, tiff, wbmp, xbm, xpm, xwd, erf, heic, jp2, pes, pfm, heif, swf, dng, orf, X3F, nrw, rw2, nef, pef, raf, cr2, xlsx, xls, txt, ott, odt, ods, odp, djvu, doc, csv, ppt, rtf, docx, pdf, cvsd, cvu, gsrt, hcom, m4a, mp3, ogg, opus, prc, sln, spx, txw, vms, wve, cvs, dvms, m4r, wma, ima, ra, vox, aac, sndr, sndt, ac3, 8svx, fssd, htk, smp, sou, aiff, flac, oga, tta, wv, sd2, amb, au, avr, caf, cdda, dts, fap, ircam, maud, nist, paf, pvf, snd, sph, voc, w64, wav, bat, htaccess, json, kml, sql, c, cpp, cs, css, go, h, java, pl, py, rb, sh, html, html, swift, test, vb, yaml, class, js, snb, pdb, mobi, lrf, fb2, epub, azw3, woff, ttf, sfd, ps, pfb, otf, bin, dfont, cff



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npm i @eternaljs/base64-info

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  • gchandrasekhar