A node.js module for parsing form data, especially file uploads. 

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Compare versions

{{- packageName}} - npm Package Compare versions

  "description": "A node.js module for parsing form data, especially file uploads.",

  "homepage": "https://github.com/node-formidable/node-formidable",

  "funding": "https://ko-fi.com/tunnckoCore/commissions",

  "repository": "node-formidable/node-formidable",

    "lint": "eslint . --cache --fix --quiet --format codeframe",

    "test": "mkdir test/tmp && node test/run.js"

    "@tunnckocore/prettier-config": "^1.2.0",

    "eslint-config-airbnb-base": "^14.0.0",

# formidable [![npm version][npmv-img]][npmv-url] [![MIT license][license-img]][license-url]

> A Node.js module for parsing form data, especially file uploads.

[![Code style][codestyle-img]][codestyle-url]

[![npm version][npmv-canary-img]][npmv-url]

[![MIT license][license-img]][license-url]

This module was initially developed by [**@felixge**](https://github.com/felixge) for [Transloadit](http://transloadit.com/), a service focused on uploading and encoding images and videos. It has been battle-tested against hundreds of GBs of file uploads from a large variety of clients and is considered production-ready and is used in production for years.

Currently, we are few maintainers trying to deal with it. :) More contributors are always welcome! :heart:

Jump on [issue #412](https://github.com/felixge/node-formidable/issues/412) if you are interested.

_**Note:** Master is a "development" branch - try it with `npm i formidable@canary`.

Do not expect (for now) things from it to be inside the`latest`"dist-tag" in the Npm.

The`formidable@latest`is the`v1.2.1` version and probably it will be the last`v1` release!_

- Fast (~900-2500 mb/sec), streaming multipart parser

- Automatically writing file uploads to disk

This is a low-level package, and if you're using a high-level framework it may already be included.

However, [Express v4](http://expressjs.com) does not include any multipart handling, nor does [body-parser](https://github.com/expressjs/body-parser).

For `koa` there is [koa-better-body](https://ghub.now.sh/koa-better-body)

which can handle ANY type of body / form-data - JSON, urlencoded, multpart and so on.

const formidable = require('formidable');

    if (req.url === '/upload' && req.method.toLowerCase() === 'post') {

      form.parse(req, (err, fields, files) => {

        res.writeHead(200, { 'content-type': 'text/plain' });

        res.write('received upload:\n\n');

        res.end(util.inspect({ fields: fields, files: files }));

    res.writeHead(200, { 'content-type': 'text/html' });

    console.log('Server listening on http://localhost:8080/ ...');

The benchmark is quite old, from the old codebase. But maybe quite true though.

Previously the numbers was around ~500 mb/sec. Currently with moving to

the new Node.js Streams API it's faster. You can clearly see the differences

_Note: a lot better benchmarking could and should be done in future._

Benchmarked on 8GB RAM, Xeon X3440 (2.53 GHz, 4 cores, 8 threads)

❯ nve --parallel 8 10 12 13 node benchmark/bench-multipart-parser.js

[build-url]: https://travis-ci.org/node-formidable/node-formidable.svg?branch=master

[npmv-canary-img]: https://badgen.net/npm/v/formidable/canary?icon=npm

[npmv-img]: https://badgen.net/npm/v/formidable?icon=npm

[npmv-url]: https://npmjs.com/package/formidable

[license-img]: https://badgen.net/npm/license/formidable

[license-url]: https://github.com/node-formidable/node-formidable/blob/master/LICENSE

[chat-img]: https://badgen.net/badge/chat/on%20gitter/46BC99?icon=gitter

[chat-url]: https://gitter.im/node-formidable/Lobby

		{
		"name": "formidable",
		"version": "2.0.0-canary.20200129.4",
		"version": "2.0.0-canary.20200129.5",
		"license": "MIT",
		@@ -32,6 +32,6 @@ "description": "A node.js module for parsing form data, especially file uploads.",
		"prettier-plugin-pkgjson": "^0.2.0",
		"request": "^2.11.4",
		"urun": "^0.0.6",
		"request": "^2.88.0",
		"urun": "^0.0.8",
		"utest": "^0.0.8"
		}
		}

		@@ -5,3 +5,3 @@ <p align="center">

		# formidable
		# formidable [![npm version][npmv-img]][npmv-url] [![MIT license][license-img]][license-url]

		@@ -11,6 +11,5 @@ > A Node.js module for parsing form data, especially file uploads.
		[![Code style][codestyle-img]][codestyle-url]
		[![npm version][npmv-img]][npmv-url]
		[![npm version][npmv-canary-img]][npmv-url]
		[![build status][build-img]][build-url]
		[![chat on gitter][chat-img]][chat-url]
		[![MIT license][license-img]][license-url]

		@@ -398,2 +397,3 @@ ## Status: Maintained
		[build-url]: https://travis-ci.org/node-formidable/node-formidable.svg?branch=master
		[npmv-canary-img]: https://badgen.net/npm/v/formidable/canary?icon=npm
		[npmv-img]: https://badgen.net/npm/v/formidable?icon=npm
		@@ -400,0 +400,0 @@ [npmv-url]: https://npmjs.com/package/formidable

Improved metrics