Everything you need to ship uploads

A file uploader with a native UI for React, Vue, Svelte, Angular, Vanilla JS, and Preact, built on a shared headless core with an optional server mode.

Get started API reference

Pick your framework

React Vue Svelte Angular Vanilla JS Preact Next.js

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Live demo — drag a file in. Uploads are real: files go to a demo storage bucket, so don't upload anything private.

Browse the docs

Getting startedInstall upup and run your first upload.

GuidesClient vs server mode, storage, theming, headless.

Code examplesCopy-paste recipes for common setups.

Error handlingCatch, display, and recover from upload errors.

Resumable uploadsLarge files over flaky networks with tus.

LocalizationShip the uploader in your users' language.

CredentialsWire up S3-compatible storage credentials.

AI assistantsllms.txt and machine-readable docs.

ComparisonsHow upup stacks up against alternatives.

MigrationMove from v1 to v3.

Reading these docs with an agent? Start from llms.txt.