Best open-source File upload APIs

Ranked picks

1. 1

   Uppy

   MIT browser uploader — the c17 Uploadcare / Filestack / Transloadit path. /compare/uppy-vs-tusd.

   When to pick it: A picker that talks to your backend or tus.

   31,040 stars in the catalog

2. 2

   tusd

   MIT resumable tus server. /compare/uppy-vs-tusd.

   When to pick it: The protocol box if Uppy already runs in the browser.

   3,908 stars in the catalog

3. 3

   FilePond

   MIT file-input widget. /compare/uppy-vs-filepond.

   When to pick it: A form input if Uppy is not the shape.

   16,396 stars in the catalog

4. 4

   copyparty

   Portable file server already on /replace/dropbox. Not an embeddable API.

   When to pick it: A share link, not an Uploadcare widget.

How they compare

Related pages

• Uppy / tusd / FilePond stack
• copyparty + ClovaLink + Syncthing stack
• imgproxy / Thumbor / Imagor stack
• MinIO / Garage stack
• Replace Uploadcare
• Replace Filestack
• Replace Transloadit
• Replace Dropbox
• Replace WeTransfer
• Replace Cloudinary
• Replace Imgix
• Replace Amazon S3
• Replace Wasabi
• Uppy vs tusd
• Uppy vs FilePond
• All best open-source pages
• All compare pages
• All replace pages
• All stacks
• Tools catalog

FAQ

Uppy or tusd?

Uppy if you want the published Uploadcare / Filestack picker. tusd if the job is resumable tus — /compare/uppy-vs-tusd.

Uploadcare, Filestack, or Transloadit?

Same published upload — /replace/uploadcare, /replace/filestack, and /replace/transloadit.

Is this Cloudinary?

A resize URL stays on /replace/cloudinary. This page is the POST.

Are these free?

Uppy, tusd, and FilePond are MIT. You pay hosting and object storage. Template users never pay c17.

How do I deploy it?

Open /stacks/uppy-uploads. Persist the volume. Confirm one resumable POST.