{"id":8622,"date":"2026-03-20T05:19:03","date_gmt":"2026-03-20T05:19:03","guid":{"rendered":"https:\/\/studysection.com\/blog\/?p=8622"},"modified":"2026-03-20T05:19:03","modified_gmt":"2026-03-20T05:19:03","slug":"uploading-files-in-node-js-multer-vs-busboy","status":"publish","type":"post","link":"https:\/\/studysection.com\/blog\/uploading-files-in-node-js-multer-vs-busboy\/","title":{"rendered":"Uploading Files in Node.js: Multer vs Busboy"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">File upload functionality is widely used in web applications.. Whether it\u2019s a profile picture, documents, or videos, handling file uploads efficiently is important. In <a href=\"https:\/\/studysection.com\/blog\/streams-in-node-js-readable-writable-duplex-transform\/\" target=\"_blank\" rel=\"noopener\">Node.js<\/a>, there are popular libraries like <\/span><b>Multer<\/b><span style=\"font-weight: 400;\"> and <\/span><b>Busboy<\/b><span style=\"font-weight: 400;\"> that make this task easier. In this post, we will discuss both and show simple examples.<\/span><\/p>\n<h2><b>1. Why Use Multer or Busboy?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Node.js itself can handle file uploads, but it\u2019s not convenient for handling <\/span><a href=\"https:\/\/blog.webnersolutions.com\/using-node-js-for-uploading-files\/\" target=\"_blank\" rel=\"noopener\"><b>multipart\/form-data<\/b><\/a><span style=\"font-weight: 400;\"> (the type used in HTML forms for files). Libraries like Multer and Busboy help you:<\/span><\/p>\n<ul style=\"margin-left: 21px;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Parse incoming file data<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Save files to disk or memory<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Handle multiple files easily<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Avoid server crashes due to large files<\/span><\/li>\n<\/ul>\n<h2><b>2. File Upload Using Multer<\/b><\/h2>\n<p><b>Multer<\/b><span style=\"font-weight: 400;\"> is a middleware for Express that makes file uploading simple.<\/span><\/p>\n<h3><b>Installation<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">npm install express multer<\/span><\/p>\n<h3><b>Example: Single File Upload<\/b><\/h3>\n<div class=\"\" style=\"background: black; color: white; font-size: 14px; padding: 21px;\"><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><br \/>\n<span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">express<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">require<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;express&#8217;<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">multer<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">require<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;multer&#8217;<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">app<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">express<\/span><span style=\"font-weight: 400;\">();<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\/\/ Configure storage<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">storage<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">multer<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">diskStorage<\/span><span style=\"font-weight: 400;\">({<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">destination<\/span><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">cb<\/span><span style=\"font-weight: 400;\">) <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">cb<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">null<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">&#8216;uploads\/&#8217;<\/span><span style=\"font-weight: 400;\">); <\/span><span style=\"font-weight: 400;\">\/\/ folder to save files<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0},<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">filename<\/span><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">cb<\/span><span style=\"font-weight: 400;\">) <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">cb<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">null<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">Date<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">now<\/span><span style=\"font-weight: 400;\">() + <\/span><span style=\"font-weight: 400;\">&#8216;-&#8216;<\/span><span style=\"font-weight: 400;\"> + <\/span><span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">originalname<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0}<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0});<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">upload<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">multer<\/span><span style=\"font-weight: 400;\">({ <\/span><span style=\"font-weight: 400;\">storage:<\/span> <span style=\"font-weight: 400;\">storage<\/span><span style=\"font-weight: 400;\"> });<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\/\/ Single file upload<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">app<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">post<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;\/upload&#8217;<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">upload<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">single<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;myFile&#8217;<\/span><span style=\"font-weight: 400;\">), (<\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">res<\/span><span style=\"font-weight: 400;\">) <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">res<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">send<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;File uploaded successfully: &#8216;<\/span><span style=\"font-weight: 400;\"> + <\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">filename<\/span><span style=\"font-weight: 400;\">);<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0});<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">app<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">listen<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">3000<\/span><span style=\"font-weight: 400;\">, () <\/span><span style=\"font-weight: 400;\">=&gt;<\/span> <span style=\"font-weight: 400;\">console<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;Server running on port 3000&#8217;<\/span><span style=\"font-weight: 400;\">));<\/span><\/p>\n<\/div>\n<p><b>Explanation:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">upload.single(&#8216;myFile&#8217;)<\/span><span style=\"font-weight: 400;\"> handles a single file with the field name <\/span><span style=\"font-weight: 400;\">myFile<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Multer stores the file in the <\/span><span style=\"font-weight: 400;\">uploads\/<\/span><span style=\"font-weight: 400;\"> folder with a timestamp added to its name.<\/span><\/li>\n<\/ul>\n<h3><b>Example: Multiple Files Upload<\/b><\/h3>\n<div class=\"\" style=\"background: black; color: white; padding: 21px; font-size: 14px;\"><span style=\"font-weight: 400;\">\u00a0app<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">post<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;\/upload-multiple&#8217;<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">upload<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">array<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;photos&#8217;<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">), (<\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">res<\/span><span style=\"font-weight: 400;\">) <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">uploadedFiles<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">files<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">map<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">file<\/span> <span style=\"font-weight: 400;\">=&gt;<\/span> <span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">filename<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">res<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">send<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;Files uploaded: &#8216;<\/span><span style=\"font-weight: 400;\"> + <\/span><span style=\"font-weight: 400;\">uploadedFiles<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">join<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;, &#8216;<\/span><span style=\"font-weight: 400;\">));<\/span><br \/>\n<span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0});<\/span><\/div>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: green;\">upload.array(&#8216;photos&#8217;, 5)<\/span><span style=\"font-weight: 400;\"> allows uploading up to 5 files with the field name <\/span><span style=\"font-weight: 400; color: green;\">photos<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>3. File Upload Using Busboy<\/b><\/h2>\n<p><b>Busboy<\/b><span style=\"font-weight: 400;\"> is another module for handling file uploads. It\u2019s more low-level compared to Multer but gives more control.<\/span><\/p>\n<h3><b>Installation<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">npm install busboy<\/span><\/p>\n<h3><b>Example: Upload File<\/b><\/h3>\n<div class=\"\" style=\"background: black; color: white; font-size: 14px; padding: 21px;\"><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><br \/>\n<span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">express<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">require<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;express&#8217;<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">Busboy<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">require<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;busboy&#8217;<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">fs<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">require<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;fs&#8217;<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">path<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">require<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;path&#8217;<\/span><span style=\"font-weight: 400;\">);<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">app<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">express<\/span><span style=\"font-weight: 400;\">();<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">app<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">post<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;\/upload-busboy&#8217;<\/span><span style=\"font-weight: 400;\">, (<\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">res<\/span><span style=\"font-weight: 400;\">) <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">busboy<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">new<\/span> <span style=\"font-weight: 400;\">Busboy<\/span><span style=\"font-weight: 400;\">({ <\/span><span style=\"font-weight: 400;\">headers:<\/span> <span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">headers<\/span><span style=\"font-weight: 400;\"> });<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">busboy<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">on<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;file&#8217;<\/span><span style=\"font-weight: 400;\">, (<\/span><span style=\"font-weight: 400;\">fieldname<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">filename<\/span><span style=\"font-weight: 400;\">) <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">const<\/span> <span style=\"font-weight: 400;\">saveTo<\/span><span style=\"font-weight: 400;\"> = <\/span><span style=\"font-weight: 400;\">path<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">join<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">__dirname<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">&#8216;uploads&#8217;<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">filename<\/span><span style=\"font-weight: 400;\">);<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">file<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">pipe<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">fs<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">createWriteStream<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">saveTo<\/span><span style=\"font-weight: 400;\">));<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0});<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">busboy<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">on<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;finish&#8217;<\/span><span style=\"font-weight: 400;\">, () <\/span><span style=\"font-weight: 400;\">=&gt;<\/span><span style=\"font-weight: 400;\"> {<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">res<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">send<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;File uploaded successfully using Busboy!&#8217;<\/span><span style=\"font-weight: 400;\">);Uploading Files in Node.js: Multer vs Busboy<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0});<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">req<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">pipe<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">busboy<\/span><span style=\"font-weight: 400;\">);<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0});<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0<\/span><span style=\"font-weight: 400;\">app<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">listen<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">3000<\/span><span style=\"font-weight: 400;\">, () <\/span><span style=\"font-weight: 400;\">=&gt;<\/span> <span style=\"font-weight: 400;\">console<\/span><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\">log<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">&#8216;Server running on port 3000&#8217;<\/span><span style=\"font-weight: 400;\">));<\/span><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p><b>Explanation:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">4Busboy streams the file directly to disk using <\/span><span style=\"font-weight: 400;\">file.pipe<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It gives more control over how files are processed while uploading.<\/span><\/li>\n<\/ul>\n<h2><b>4. Multer vs Busboy<\/b><\/h2>\n<p>#google_vignette<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Feature<\/b><\/td>\n<td><b>Multer<\/b><\/td>\n<td><b>Busboy<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ease of Use<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Very simple, beginner-friendly<\/span><\/td>\n<td><span style=\"font-weight: 400;\">More control, but more code<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">File Storage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Disk or memory<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Disk, memory, or streaming<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Multiple Files<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Easy with <\/span><span style=\"font-weight: 400;\">.array()<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Manual handling required<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Control<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Limited<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High control over streams<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Tip:<\/b><span style=\"font-weight: 400;\"> Use Multer if you want simplicity. Use Busboy if you need streaming large files or custom processing.<\/span><\/p>\n<h2><b>5. Important Tips<\/b><\/h2>\n<ol style=\"margin-left: 21px;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Create an <\/b><b>uploads<\/b><b> folder<\/b><span style=\"font-weight: 400;\"> before saving files.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Limit file size<\/b><span style=\"font-weight: 400;\"> to prevent server crashes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Validate file type<\/b><span style=\"font-weight: 400;\"> to prevent uploading dangerous files.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Handle errors<\/b><span style=\"font-weight: 400;\"> properly using middleware.<\/span><\/li>\n<\/ol>\n<h2><b>Summary:<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">File uploading in Node.js is easy with Multer or Busboy. Multer is great for beginners or simple apps, while Busboy is useful for advanced use cases with streaming large files. Start with Multer if you are new to Node.js and explore Busboy as your app grows.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>File upload functionality is widely used in web applications.. Whether it\u2019s a profile picture, documents, or videos, handling file uploads<\/p>\n","protected":false},"author":1,"featured_media":8624,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Uploading Files in Node.js: Multer vs Busboy<\/title>\n<meta name=\"description\" content=\"Compare Multer vs Busboy for Node.js file uploads. 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