The most popular service
for file uploads

File Upload

Better Uploads. Better engagement for your apps.

Dramatically improve the look and performance of file uploads
with two lines of code

Filestack Upload gives you the same upload technology used by internet giants
without struggle of having to maintain it.

An instant UX upgrade

Filestack’s beautiful and customizable UI makes
uploads from any source painless and intuitive.

A huge boost in performance

Behind the scenes, Filestack’s advanced
infrastructure uploads files almost 4 times faster.

Take your pick: upload modal or dropzone.

On the web, Filestack Upload can either appear as a modal window or a dropzone right in the page.

Advanced File Picker

Integrates with 20+ cloud sources

file upload drop zone

Embeddable Dropzone

supports any file: JPG, PNG, PPT, XLS, DOC, PDF …

Connect your app to files from over 20 sources | See Them All


Way more than a widget: A complete upload service.

What you can only get from FileStack:

Better reliability

Filestack Intelligent Ingestion™ can dynamically adjust to changing network conditions to guarantee upload success 99.999% of the time.

Accelerated uploads

Filestack’s exclusive technology can provide your app immediate access to content - even while it’s still in transit accros the network.

One API forever

Filestack brings images, videos, and files to your app from 20+ sources through a single, stable API. (No need to maintain an integration to each service).

More Great Features…


Users can preview their uploaded files directly inside the File Picker.

Connect to 20+ Cloud Drives

Connect your app directly to AWS, Facebook, Dropbox, Instagram, and more.

Progress Bar Uploads

Give your users confidence that their files are on the way to the right destination.

Multi-File Uploads

Let your users upload multiple files at one time for speed and simplicity.

Custom CSS

Filestack blends seamlessly into your website or app. Ask about white-labeling.

Client-Side Crop

Users can crop files to perfection before sending them to your website or app.

Unlimited Uploading

Upload any file type, from any local or cloud source, at any scale.

Customizable Sources

Adjust sources, file types, and file sizes if you'd like to restrict user-uploaded files.

Secure Cloud Storage

Store uploads directly in your cloud storage for ease and accessibility.

Just One Integration, One Time...

Filestack connects you with a multitude of services with one simple integration. You never have to worry about updating API integrations again. Uploading Files is our raison d’etre. We update for other API changes, and will never depreciate our API or force unwarranted changes on you.

Libraries & SDKs -Choose from our SDKs to get started.

No maintenance required – Once you integrate, you’re done. Never worry about changing APIs disrupting your file workflow again.
Dev-to-dev support – Your files are always our #1 concern. We are always here to help you get up and running and assure the best performance.
" Being smart here, in my opinion, is seriously looking at Filestack to give you a fantastic uploading experience, while you spend your time on your product vision, not already-solved problems. "


<script src=" "></script>
<script type="text/javascript">
 const client = filestack.init('YOUR API KEY');
gem 'filestack'
client ='YOUR_API_KEY',
security: security_object)
filelink = client.upload(filepath: '/path/to/file')
$ composer require --prefer-dist

use Filestack\FilestackClient;

$client = new FilestackClient('YOUR_API_KEY');
$filelink = $client-upload('/path/to/file');
$ pip install filestack-python

from filestack import Client
client = Client("")

params = {'mimetype': 'image/png'}
new_filelink =