What Uppy does

Uppy is an open-source modular JavaScript file uploader library developed and maintained by Transloadit Ltd. and a community of GitHub contributors. The core library is released under the MIT License and distributed via NPM, Yarn, and CDN, with official integrations for React, Vue, Svelte, Angular, SvelteKit, and Next.js. The architecture is plugin-based, with the Dashboard UI plugin composed alongside upload destination plugins (Tus, AWS S3, XHR, Transloadit), remote-source plugins for Google Drive, Dropbox, Box, OneDrive, Facebook, Instagram, Zoom, WebDAV, and Unsplash, and capture plugins for webcam, screen, and audio. Companion operates as a separate server for OAuth authentication and bandwidth-free remote file streaming, and the Golden Retriever plugin provides crash-recovery persistence across LocalStorage, IndexedDB, and Service Worker.

The technical stack is built on Preact for UI components with ESM and CommonJS module support, and as of version 5.0 (2024) ships headless React components and hooks for maximum UI customization. The most recent AI-adjacent addition is the AI Image Generator plugin (2025), which wraps Transloadit's /image/generate service using third-party foundation models such as flux-1.1-pro-ultra, letting users generate images from text prompts inside the upload workflow.

The business model is freemium open source with indirect monetization: Uppy core generates no direct revenue, but adoption drives usage of Transloadit's paid hosting, Companion, and file-encoding services, which include free and paid subscription tiers. Transloadit Ltd., the operating entity, is a private company founded by Tim Koschützki and Kevin van Zonneveld with no publicly disclosed external venture capital funding. The target customer segments are web developers and SaaS or web application teams that need reliable, customizable file upload functionality with multi-source ingestion, resumable transfer, and crash recovery.

Name

Uppy

Legal name

Transloadit Ltd.

Website

https://uppy.io

Company type

Private

Founded year

2016

Operating status

Operating

Short description

Uppy is an open-source modular JavaScript file uploader that fetches files from local devices and remote cloud sources, providing resumable uploads, browser crash recovery, and image editing for web developers building on React, Vue, Svelte, and Angular.

Ownership category

akta.pro rank

Product category

Developer Tools / File Upload SDK

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821), Computer Systems Design and Related Services (5415)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Origin & Media Storage Services (MPAHAIAB)

akta.pro secondary industries

Edge Storage & Distributed Caching (KV/Object, Edge Cache) (HDABAGAI), Streaming Transport Protocols & Low-Latency Delivery (HLS/DASH/CMAF, WebRTC, SRT) (MPAHAIAE)

Keywords

• JavaScript file uploader
• Open source library
• Cloud storage integration
• Resumable file uploads
• Developer upload SDK

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Infrastructure, Operations

Revenue model

1. Open Source (MIT License): Uppy core library is open source under MIT license and is free to use. Revenue is not generated directly from the open source software.
2. Transloadit Hosted Services: Transloadit offers hosted Companion server and file processing services as paid plans. Free and paid plans available. The hosted Companion comes bundled with Transloadit plans for handling remote file imports and encoding.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Uppy is a modular, open source JavaScript file uploader library that developers integrate into web applications to handle local and remote file uploads. It provides a plugin-based architecture covering remote source imports (Google Drive, Dropbox, Box, OneDrive, Instagram, Zoom, WebDAV, Unsplash), resumable uploads via the Tus protocol, direct-to-S3 multipart uploads, image editing, webcam/audio/screen capture, and browser crash recovery (Golden Retriever). The companion Companion server handles authentication and streams remote files to avoid consuming end-user bandwidth.

Product overview

Uppy is an open source JavaScript file uploader consisting of a modular plugin-based architecture. The core product is Uppy itself with the Dashboard UI plugin, supplemented by upload destination plugins (Tus for resumable uploads, AWS S3 for cloud storage, XHR for custom backends, Transloadit for encoding). Remote source plugins enable importing files from cloud services (Google Drive, Dropbox, Box, OneDrive, Facebook, Instagram, Zoom, WebDAV, Unsplash) via the Companion server. Additional plugins provide capture capabilities (Webcam, Audio, Screen Capture), image editing (Image Editor, Compressor), and file recovery (Golden Retriever). The AI Image Generator creates images from text prompts via Transloadit's AI service. Official framework integrations are available for React (with headless components and hooks), Vue, Svelte, Angular, SvelteKit, and Next.js.

Differentiator

Problem solved

Functional benefit

Products and services

• Uppy Modular open source JavaScript/TypeScript file uploader library published under MIT License for web developers integrating file upload features into JavaScript applications. Distributed via NPM, Yarn, and CDN with official bindings for React, Vue, Svelte, Angular, SvelteKit, and Next.js.
• Companion Standalone Node.js/Express server (or hosted service) that authenticates with remote providers (Google Drive, Dropbox, Instagram, Box, OneDrive, Facebook, Zoom, WebDAV) and streams files from source to destination without consuming client bandwidth. Available as self-hosted open source or as a Transloadit-hosted service bundled with Transloadit plans.

Quantifiable outcome

• Uppy 2.0 is 25% smaller bundle size and up to 1000x faster at adding many files compared to 1.0
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration16 records

AI capability4 records

Feature9 records

Partnerships

One partnership is on record.

• Transloadit Ltd.coreStrategic or Co-development PartnerTransloadit Ltd. is the company behind Uppy. Uppy was developed by Transloadit's team and open source contributors on GitHub. Transloadit provides the file encoding and processing backend that Uppy integrates with, as well as hosting services for Companion server.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Cloudinary: Cloudinary is a media management platform offering upload, transformation, storage, and delivery for images and video. It is comparable to Uppy as an upload + media processing solution but operates at a much broader media-platform scope and is venture-backed with enterprise contracts.
• imgix: imgix is a real-time image processing and delivery CDN. It is comparable to the broader media-processing stack that Uppy+Transloadit compete with for image-heavy upload workflows, though imgix focuses on transformation/delivery rather than ingestion.

Direct peers

• Filestack: Filestack provides a file upload service with CDN delivery, transformation, and integrations to cloud sources (similar to Uppy's Companion + S3 model). It is a direct commercial competitor to Uppy+Transloadit, offering upload widgets and APIs to developers.
• Uploadcare: Uploadcare offers a file upload widget, CDN, image processing, and integrations to remote cloud sources. It overlaps with Uppy's value proposition of simplified file ingestion from multiple cloud platforms and is a primary direct competitor in the developer-focused uploader space.
• Dropzone.js: Dropzone.js is an open source drag-and-drop file upload library for JavaScript. It is a direct peer to Uppy as a developer-facing open source upload widget, though narrower in scope (no Companion server, fewer remote-source integrations).
• Fine Uploader: Fine Uploader is a JavaScript file upload library with resumable upload support and traditional browser support. It is comparable to Uppy as a JS-native uploader competing for the same developer audience, though less actively maintained.
• Plupload: Plupload is a multi-runtime file upload library (HTML5, Flash, Silverlight) created by the TinyMCE team. It is comparable to Uppy as a developer-facing upload library historically competing in the same open source uploader category.

Others

• Transloadit: Transloadit is the parent company behind Uppy and provides the file encoding/processing backend (Companion hosted, AI image generation Robot). It is comparable as the commercial monetization layer that Uppy feeds into, and as a backend media-processing service competing with Filestack/Cloudinary.
• Tus (tus.io): Tus is the open protocol for resumable uploads that Uppy integrates with. It is an adjacent enabler — Uppy is a primary client implementation of Tus, and the Tus server ecosystem provides the backend that pairs with Uppy's resumable upload feature.

Emerging players

• Filebase: Filebase is an S3-compatible object storage platform with IPFS integration and multipart upload support. It is comparable to Uppy's AWS S3 plugin capabilities as a storage-layer alternative for developers building upload workflows.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• GitHubgithub.com/transloadit/uppy
• Xx.com/uppy_io

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Uppy