Uppy

It is intended as an easy file attachment library for ActiveRecord. The intent behind it was to keep setup as easy as possible and to treat files as much like other attributes as possible.

This gem provides a simple and extremely flexible way to upload files from Ruby applications. It works well with Rack based web applications, such as Ruby on Rails.

Uploadcare is file management platform and a CDN for user-generated content. It is a robust file API for uploading, managing, processing, rendering, optimizing, and delivering users’ content.

Filepicker helps developers connect to their users' content. Connect, Store, and Process any file from anywhere on the Internet.

Transloadit handles file uploading & file processing for your websites and mobile apps. We can process video, audio, images and documents.

A JavaScript library that can upload anything you throw at it, optimizes images for faster uploads and offers a great, accessible, silky smooth user experience.

Shrine implements a plugin system analogous to Roda’s and Sequel’s. Shrine ships with over 25 plugins, which together provide a great arsenal of features. Where CarrierWave and other file upload libraries favor complex class-level DSLs, Shrine favours simple instance-level interface.

Bytescale is the best way to serve images, videos, and audio for web apps. Includes: Fast CDN, Storage, and Media Processing APIs.

Open protocol for resumable file uploads

With one line of code you can easily start collecting videos for applications ranging from video-comments to talent competitions, political action, virtual interviews, talent scouting and more.<br>

The drop-in data importer that implements in hours, not weeks. Give your users the import experience you always dreamed of, but never had time to build.

It is a File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads.

It is a JavaScript file uploading plugin with 20+ plugins to choose, edit, and upload images to any backend. It's written in TypeScript, and is free and open-source.

It is a drop-in widget to allow your users to upload spreadsheets, map columns, and fix issues all with a few clicks. You receive clean and ready to use data in your app.

It is a responsive file upload widget with free cloud storage. You can add file uploading to your app with only two lines of code. Customize the upload widget to integrate seamlessly with your existing UI. The upload widget accepts multiple file uploads, as well as dynamic image resizing. It's fast. It's simple. It just works.

It is a high performant Vue file upload component with elegant and distinguishable previews for every file type and support for drag and drop, validations, default uploader with progress support and externally customizable in the "vue way".

Free image upscaler that turns low-quality images into crystal-clear HD ones instantly. No signup needed.

Drag & drop HTML, PDF, Images, or ZIPs to get a secure, shareable URL in seconds. No signup required.

Receive HTML form submissions without server-side code. Form.taxi handles email notifications, spam filtering, file uploads and GDPR-compliant data storage.

FileConvertFree is your ultimate free online file conversion toolkit. Convert, compress, and optimize any file format directly in your browser — no software downloads, no accounts, no bullshit. Tired of clunky desktop apps or paid converters that limit everything? We built FileConvertFree because we were frustrated too. Just drag & drop your file and get instant results. Key Features: • Lightning-fast conversions for PDFs, Word (DOCX), Excel (XLSX), images (JPG, PNG, GIF), audio (MP3, WAV), video (MP4, MOV) and more • Secure & private — files are automatically deleted from our servers after conversion • 100% free core tools (ads keep it running, no hidden fees) • Works on phone, tablet, or desktop — fully responsive • Extra tools: image compressor, PDF compressor, background remover, image-to-text, audio-to-text, text-to-voice, PDF splitter • Up to 500MB file support (bigger files? Compress first) Perfect for students, freelancers, content creators, marketers, and businesses who need quick, reliable file conversions without the hassle. No signup. No watermarks. No limits on the free tier. Just pure productivity.