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Asgardius S3 Manager

File explorer for S3 servers with file preview support
Version: 0.9.3
Added: 02-10-2022
Updated: 20-03-2023
File Explorer to manage servers compatible with S3 Object Storage Protocol

Current feature list

  • Audio and Video playback (opus, ogg, oga, mp3, m4a, flac, mka, mkv, mp4, m4v, webm)

  • Picture preview (jpg, jpeg, png, gif, webp)

  • Plain text file preview (txt, md)

  • Webpage viewer (htm, html)

  • Multiple account support

  • Open object in external web browser

  • Create buckets

  • Delete buckets

  • Delete files

  • Delete folders

  • File upload

  • File download

  • Download folder content

  • Upload folder content

  • pdf file reader using user provided pdf.js server

  • file sharing links

  • get object info

  • get bucket info

  • Set CORS policy

  • Set bucket as public or private

  • Set object as public or private

  • Planned feature list

  • Nothing for now

  • This app is a work in progress, so it have some bugs that need to be fixed

    You need to setup a pdf.js server to use pdf viewer. Just download latest version from official website and upload to any web server with ssl on same root domain than S3 server (can be same subdomain or a different one). Then set url to pdfjs root folder like

    Supported languages

  • English

  • Spanish

  • Knnown issues

  • Slow user interface on some low-end devices

  • Running screen restarts after toggling system dark mode

  • Known supported providers

  • Amazon Web Services

  • Scaleway Elements

  • Wasabi Cloud

  • Backblaze B2

  • Cloudflare R2 (partial)

  • MinIO **

  • Garage **

  • Known not supported providers

  • Google Cloud (Not compatible with S3v4)

  • Oracle Cloud (compatibility issues with S3v4)

  • ** Extra steps required (read documentation)

    Please report all issues at

    You can find app documentation at (english) or (spanish)

    This app has nonfreenet antifeature because its compatibility list.

    You can use MinIO or Garage to have a FOSS selfhosted server to use with this app
    code Source file_download Download